need
Word family
Longman Dictionary of Contemporary English 5++LDOCE 5++ldoce_733_zneed1 /niːd/ ●●● S1 W1 verb 1 NEED[transitive] to have to have something or someone, because you cannot do something without them, or because you cannot continue or cannot exist without them 需要〔某人或某物〕 SYN require You don’t really need a car. 你其实并不需要一辆车。 Plants need light in order to survive. 植物需要光才能存活。 The camcorder needs a new battery. 这台摄像机需要一块新电池。 Are you sure that you have everything you need? 你确定需要的都有了吗？need something for something I need glasses for reading. 我看书要戴眼镜。need somebody to do something I need you to help me with the cooking. 我需要你帮我做菜。need something desperately/badly/urgently More blood donors are urgently needed. 迫切需要更多人来献血。much needed/badly needed a much needed boost to the local economy 当地经济迫切需要的一次推动2 [transitive] to feel that you want something very much 需要〔做某事〕 I need a drink. 我需要喝一杯。 If you need anything, just say. 你需要什么，说一声就可以。need to do something She needed to go out for a walk. 她需要出去散散步。3 need to do something used when saying that someone should do something or has to do something 有必要做某事 He needs to see a doctor straightaway. 他有必要马上去看医生。 I need to catch up on my office work. 我有必要赶赶我的办公室工作了。 You need to let me know by Monday if you want to take part. 你得在星期一之前告诉我你想不想参加。4 [modal] British EnglishNEED used in negative sentences when saying that something is not necessary or not always true 需要〔在否定句中表示“不必，未必”〕 → have toneed not/needn’t You needn’t stay long. 你不必待很久。 Going to the dentist need not necessarily be a painful experience. 看牙医未必就是件痛苦的事。need not have done something/need not do something You needn’t have spent all that money. 你本可以不花那么多钱的。 I needn’t have worried. 我本来是不必担心的。need I/we etc do sth? British English old-fashioned Need we leave so soon? 我们一定要那么快就走吗？somebody need never do something Jim need never find out what I said. 吉姆永远不需要知道我说了些什么。5 [transitive] used when saying that something should have something done to it, or has to have something done to it 需要〔对某物做某事〕6 [transitive] if a job needs a quality or skill, you must have that quality or skill in order to do it well 要求，需要〔某种素质或技能〕7 I need hardly say/tell/remind etc British English used when you think people should already know what you are going to say 不用我说/告诉/提醒等8 you need only do something/all you need do is ... British EnglishNEED used when saying that you only have to do something in order to do something else 你只需要做某事/你所要做的只是…9 need I ask/need I say more/need I go on etc? British English used to say that it is not necessary to ask or say more about something, because the rest is clear 这还用问？我还有必要说下去吗？10 that’s all I need/that’s just what I didn’t need spoken used when saying that you did not want something to happen, especially when it seems annoying 真是时候〔尤用于不喜欢的事偏偏发生之时〕11. need something like a hole in the head informal used when saying that you definitely do not need something 肯定用不着某物12 who needs it/them? spoken5 GRAMMAR 语法: Verb patterns 动词句型• You can say that you need to do something. 可以说need to do somethingI need to clean (NOT不说I need clean) the house.我得打扫一下房子了。• If someone else is going to do something for you, you can say that you need something done. 如果别人要为你做某事，你可以说need something doneI need my car fixed urgently.我的车急需修理。• When you are talking about the object that is going to have something done to it, you can say that it needs cutting, cleaning etc or needs to be cut, cleaned etc. 当说到需要对某物做某事时，可以说it needs cutting，cleaning等或needs to be cut，cleaned等My hair needs cutting.我的头发该剪剪了。• You can say that you don’t need to do something or need not/needn’t do something. 可以说don’t need to do something或need not/needn’t do somethingThat box needs to be moved (NOT 不说needs moved).那个箱子需要挪一下。• Need not means that it is not necessary to do something. Do not use it to mean must not (= should not, or are not allowed to ). need not 的意思是“不必”做某事，不能表示must not (不准)的意思I don’t need to leave (NOT 不说don’t need leave) until 10.我不必在10点以前走 。• If you say that someone needn’t have done something, you mean that it was not necessary for them to do it although they did it anyway. need’t have done 意为某人“本不该”做某事，虽然已经做了You needn’t apologize (NOT 不说needn’t to apologize).你不必道歉。• Do not use it when something was not necessary and was not done. Use didn’t need to. 如果某事不需要做也没有做，不要用needn’t have done ，用 didn’t need toYou needn’t take any money.你不必带钱 。You mustn’t take any sharp objects on the plane.不准携带任何尖锐物品上飞机 。We needn’t have ordered so much food.我们本不该点这么多吃的 。I didn’t need to tell him who I was – he already knew.我没有必要告诉他我是谁——他已经知道了 。n GrammarPatterns with need• You say that you need something: You’ll need some warm clothes.• You say that you need to do something: 可以说need to do somethingI need to clean the house. 我得打扫一下房子了。• You say that something needs cutting/cleaning etc (=it needs to be cut, cleaned etc): My hair needs cutting. 我的头发该剪剪了。 • You say that you need something done (=you want someone to do it for you): 如果别人要为你做某事，你可以说need something doneI need my car fixed urgently. 我的车急需修理。Negatives• You say that you do not need something: 肯定用不着某物You don’t need a jacket. 你其实并不需要一辆车。• You say that you don’t need to do something or you need not/needn’t do something (=it is not necessary): 可以说don’t need to do something或need not/needn’t do somethingI don’t need to leave until 10. 我不必在10点以前走 。You needn’t apologize. 你不必道歉。 ✗Don’t say: I don’t need leave. | You needn’t to apologize.• You say that someone didn’t need to do something (=it was not necessary): I didn’t need to tell him who I was – he already knew. 我没有必要告诉他我是谁——他已经知道了 。• You say that someone needn’t have done something (=although they have done it, it was not necessary): We needn’t have ordered so much food. 我们本不该点这么多吃的 。Using the progressiveNeed is not used in the progressive. You say: I need a break. ✗Don’t say: I’m needing a break.n THESAURUSneed if you need something, you must have it, because you cannot do something without itI need your help.The people desperately need food and clean water.require formal to need somethingChildren require a lot of attention.The game requires great skill.can’t do without something to be unable to do something without somethingA lot of people can’t do without their mobile phones.could do with something/could use something informal to need or want somethingShall we stop? I could do with a rest.be desperate for something to need something urgentlyLiz was desperate for a cigarette.The people are desperate for food.be dependent on something/somebody to be unable to live or continue normally without something or someoneThe refugees are dependent on outside food supplies.demand formal if one thing demands another, it needs that thing in order to happen or be done successfullyThe situation is urgent and demands immediate action.5 FREQUENCY 使用频率
Examples from the Corpus
need• But there is no evidence that they have exercised that responsibility when it has been most needed.• We can treat lone parents as poor people, needing means-tested social assistance of some sort - as we do now.• The front room needs a coat of paint.• It's cold outside -- you'll need a coat.• I think she might need a doctor.• I need a drink - coming to the bar?• It must have needed a great deal of self-discipline for you to lose so much weight in such a short time.• Dave's been working really hard - he needs a holiday.• Teaching children to read needs a lot of patience and skill.• The team badly needs a victory.• Nancy is going to the store - do we need any milk?• Many patients need continuing care, follow up or rehabilitation.• What are the qualities that are needed for the job?• But to have such an epidemic you need more than an easily transmissible bug.• I think Brad's car needs new tires.• You don't have to paint UPVC windows, and they need only an occasional wash down with detergent.• A job like nursing needs patience and understanding.• Do you need some help?• I needed some sleep.• He needs the information for an article he's writing.• To meet all my criteria I needed to get a job.• Smart public managers spend every penny of every line item, whether they need to or not.• To do that there may be times when we need to put trust in a professional to help solve our difficulties.• His talents were needed to rescue the situation, to merge the Virginia armies into a revitalized Army of the Potomac.• We need to take the cat to the vet.• Do you still need volunteers to help clean up after the party?• My hair needs washing.• Don't forget, the plants need watering once a week.everything you need• Because you can actually buy kits which contain everything you need.• Because you see, the third time she called, I got everything I need.• Did I have everything I needed?• He says they provided everything they needed, fresh fish, ice, everything.• When I had everything I needed, I walked as quietly as possible to the front door and turned the doorknob.• The thunder board will give you everything you need to get the most out of your games.• It includes everything you need to know about healthy eating, sport and exercise, along with tips on looking good and relaxation.• Their faces told me everything I needed to know.need to do something• But if repeated calls fail to produce an answer the officer may subsequently need to account for himself.• The roof will probably need to be replaced next year.• We need to buy some more potatoes.• We need to demonstrate how wrong they are.• Dolphins need to eat considerable quantities of food.• Management needs to ensure that the expensive and long-term project has a good strategic pay-off.• Does anybody need to go to the bathroom?• Do I really need to go to this meeting?• He reminded himself that he needed to have a key made for the desk drawer where he kept her letters.• We need to let kids be responsible, make some choices, let them feel powerful.• You need to make reservations for Yosemite campgrounds.• They may need to pause for a minute after each picture, since after-images tend to persist.• Simon knew that he needed to raise the money quickly.something needs to be checked/cleaned/done etc• Yet much more needs to be done.• Instead, tell them what needs to be done and the results desired.• He says that whatever needs to be done should be done to stop anything similar happening.• More research needs to be done to attempt to understand these problems but statistical modelling is not appropriate.• We have already sown the seeds of what needs to be done to bring about job regeneration in my area.• Workers / partners will do what needs to be done when and where it needs to be done.• Use a sharp knife to trim round fittings or skirting boards - obviously this needs to be done with care.need2 ●●● S1 W1 noun 1 [singular]MUST a situation in which something is necessary, especially something that is not happening yet or is not yet available 需要，需求2 [singular, uncountable] a strong feeling that you want something, want to do something, or that you must have something 特别需要，迫切需求3 [countable usually plural]NEED what someone needs to have in order to live a normal healthy comfortable life 生活必需品4 there’s no need (for somebody) to do something 5 be in need of something 6 have no need of something NEEDto not need something 不需要某事物7 [uncountable]POOR when you do not have enough food or money 〔食物或金钱的〕短缺；困窘8 in your hour of need PROBLEMwhen you are in trouble and need someone to help you 处于困境时，患难时9 needs must (when the devil drives) British English used to say that you must sometimes do things that you do not like doing (情势所逼)迫不得已 → special needs COLLOCATIONSadjectivesa real/clear need (=one that really exists) 真正的需要There is a real need for after-school care in our area. 我们这个地区的确需要课后看护。an urgent need (=one that must be dealt with quickly) 迫切的需要The most urgent need was for more teachers. 最迫切的是需要更多的老师。a pressing/crying need (=a very urgent need) 紧迫的需要There’s a crying need for more doctors and nurses. 现在迫切需要更多的医生和护士。a desperate need (=an extremely urgent need) 非常急迫的需要There is a desperate need to build more housing. 现在迫切需要建造更多的住房。a growing/increasing need 越来越强烈的需要She emphasized the growing need to deal with environmental problems. 她强调说，现在越来越有必要处理环境问题。verbsstress/emphasize/underline the need for something (=say how important it is) 强调某事物的必要性He stressed the need for better training courses. 他强调必须要改进培训课程。eliminate the need for something (also obviate the need for something formal) (=make something unnecessary) 使做某事没有必要The new drug treatment eliminates the need for surgery. 有了这种新的药物治疗方法，就没有必要进行外科手术了。a need exists 有需求存在New teaching materials must be created if a need exists for them. 如有需要，就必须编写新的教学材料。phrasesthere is a need for something 有必要做某事Clearly there is a need for more research. 显然有必要作进一步研究。there is no need for something 没有必要做某事They felt that there was no need for a formal contract. 他们觉得没有必要订立正式的合同。as/if/when the need arises (=if or when something becomes necessary) 如有必要；在必要时Team members move from job to job as the need arises. 小组成员在必要时要变换岗位。if need be (=if it is necessary) 如有需要I can work during my lunch break if need be. 如有需要，我可以在午餐时间加班。Examples from the Corpus
need• Carlton acknowledged that there was a need for stricter safety regulations at some of the sites.• Despite her need of medical attention, the night was young and there was still time to celebrate.• National associations also tend to sponsor larger schemes in the more important settlements rather than in areas of isolated housing need.• But is this fair on clients who are vulnerable and in need?• Travel office Rauraje Deshprabhu will fix any of your local needs, and additional airline tickets.• David's need for a son had become an obsession.• Don't you ever feel the need to take a vacation?• Such changes are, however, being implemented by people who have the needs of the mentally handicapped at heart.• Careful analysis of the needs and, above all, the capabilities of the intended user is also essential.• However, the family spoke Punjabi exclusively at home and had very strong views on the need to do this.• The need to improve teaching standards is recognized; however, it is not something that is going to happen overnight.need for• There is a need for stricter safety regulations.feel the need (to do something)• Playing with the classroom water trough, some children feel the need to fill, pour and empty continuously.• Adult players, by contrast, feel the need to equip themselves with the best.• It's the first time any Oxford college has felt the need to take such measures.• Nevertheless, I feel the need to unburden myself in print.• I have always had money and so I have never felt the need to worship it.• What was Madame Olenska running away from, and why did she feel the need to be safe?• For about a year afterwards Anna received aromatherapy massage whenever she felt the need - once, sometimes twice, a month.• But I was feeling the need for some kind of action.basic needs• The social system has certain basic needs which must be met if it is to survive.• People had jobs; basic needs were met.• Even their most basic needs are sometimes ignored.• A nearly bare place, simple objects, basic needs.• Maslow, if we recall, suggested that this is one of our basic needs. 4.• In a similar fashion, the basic needs of health care will inpart be determined by the availability of a health service.• The Diocese had hoped that separate money would be forthcoming for these basic needs projects.• With basic needs in increasingly short supply, the social fabric of Cairo is showing signs of fraying.in need• Thousands of people donated money and food to those in need.Origin need2 Old English nied, nedneed1 verb →5 GRAMMAR1 →n GRAMMAR2
→n THESAURUS1 →5 FREQUENCY1need2 noun →COLLOCATIONS1LDOCE OnlineChinese
→n THESAURUS1 →5 FREQUENCY1need2 noun →COLLOCATIONS1LDOCE OnlineChinese
to have have something to or Corpus
need
need1 S1 W1 /niːd/ 
verb
SYN require:
You don’t really need a car.
Plants need light in order to survive.
The camcorder needs a new battery.
Are you sure that you have everything you need?
need something for something
I need glasses for reading.
need somebody to do something
I need you to help me with the cooking.
need something desperately/badly/urgently
More blood donors are urgently needed.
much needed/badly needed
a much needed boost to the local economy
2. [transitive not in progressive] to feel that you want something very much:
I need a drink.
If you need anything, just say.
need to do something
She needed to go out for a walk.
3. need to do something used when saying that someone should do something or has to do something:
He needs to see a doctor straightaway.
I need to catch up on my office work.
You need to let me know by Monday if you want to take part.
4. [modal] British English used in negative sentences when saying that something is not necessary or not always true ⇨ have to
need not/needn’t
You needn’t stay long.
Going to the dentist need not necessarily be a painful experience.
need not have done something/need not do something
You needn’t have spent all that money.
I needn’t have worried.
need I/we etc do something? British English old-fashioned:
Need we leave so soon?
somebody need never do something
Jim need never find out what I said.
5. [transitive] used when saying that something should have something done to it, or has to have something done to it
something needs doing
The house needed painting.
Does this shirt need ironing?
something needs to be checked/cleaned/done etc
The engine will need to be completely checked.
The pie doesn’t need to be refrigerated.
need a (good) wash/clean/cut etc (=ought to be washed, cleaned etc)
His hair needs a wash.
6. [transitive] if a job needs a quality or skill, you must have that quality or skill in order to do it well:
The job needs a lot of patience.
Being a teacher needs a high level of motivation.
7. I need hardly say/tell/remind etc British English used when you think people should already know what you are going to say:
I need hardly remind you that this information is confidential.
8. you need only do something/all you need do is ... British English used when saying that you only have to do something in order to do something else:
We need only look at the building to see how much money it will take to repair.
All we need do is threaten them.
9. need I ask/need I say more/need I go on etc? British English used to say that it is not necessary to ask or say more about something, because the rest is clear:
She’s lazy, slow, and stubborn. Need I say more?
10. that’s all I need/that’s just what I didn’t need spoken used when saying that you did not want something to happen, especially when it seems annoying:
‘There’s a customer for you on the phone.’ ‘That’s all I need!’
11. need something like a hole in the head informal used when saying that you definitely do not need something
12. who needs it/them? spoken
a. used to say you are not interested in something:
Make-up, who needs it?
b. used to say that someone or something is actually very important to you:
Kids? Who needs them!
GRAMMAR
Verb patterns
You can say that you need to do something:
▪I need to clean (NOT I need clean) the house.
If someone else is going to do something for you, you can say that you need something done:
▪I need my car fixed urgently.
When you are talking about the object that is going to have something done to it, you can say that it needs cutting, cleaning etc or needs to be cut, cleaned etc:
▪My hair needs cutting.
▪That box needs to be moved (NOT needs moved).
Negatives
You can say that you don’t need to do something or need not/needn’t do something:
▪I don’t need to leave (NOT don’t need leave) until 10.
▪You needn’t apologize (NOT needn’t to apologize).
Need not.means that it is not necessary to do something. Do not use it to mean must not (=should not, or are not allowed to):
▪You needn’t take any money.
▪You mustn’t take any sharp objects on the plane.
If you say that someone needn’t have done something, you mean that it was not necessary for them to do it although they did it anyway:
▪We needn’t have ordered so much food. Do not use it when something was not necessary and was not done. Use didn’t need to:
▪I didn’t need to tell him who I was – he already knew.
▪ need if you need something, you must have it, because you cannot do something without it: I need your help. | The people desperately need food and clean water.
▪require formal to need something: Children require a lot of attention. | The game requires great skill.
▪can’t do without something to be unable to do something without something: A lot of people can’t do without their mobile phones.
▪could do with something/could use something informal to need or want something: Shall we stop? I could do with a rest.
▪be desperate for something to need something urgently: Liz was desperate for a cigarette. | The people are desperate for food.
▪be dependent on something/somebody to be unable to live or continue normally without something or someone: The refugees are dependent on outside food supplies.
▪demand formal if one thing demands another, it needs that thing in order to happen or be done successfully: The situation is urgent and demands immediate action.
need2 S1 W1 noun
need for
There’s a growing need for new housing in many rural areas.
a need to do something
We fully recognize the need to improve communications.
2. [singular, uncountable] a strong feeling that you want something, want to do something, or that you must have something
need for
the need for job satisfaction
feel the need (to do something)
Jack did not feel the need to boast about his success.
You’re welcome to come back and talk any time, if ever you feel the need.
3. [countable usually plural] what someone needs to have in order to live a normal healthy comfortable life:
She works to provide for her family’s basic needs.
sb’s needs
Environmentalists argue that the organization fails to address the needs of third world farmers.
meet/satisfy a need (=provide something that people want or need)
The charity exists to meet the needs of elderly people.
Schools must satisfy the needs of their pupils.
We have loans to meet your every need.
4. there’s no need (for somebody) to do something
a. used to say that someone does not have to do something:
There’s no need for you to come if you don’t want to.
There’s no need to feel sorry for him.
b. spoken used to tell someone to stop doing something:
There’s no need to shout!
5. be in need of something
a. to need help, advice, money etc, because you are in a difficult situation:
This project is in urgent need of funding.
He is homeless and in desperate need of help.
b. to need to be cleaned, repaired, or given attention in some way:
The church was in dire (=very great) need of repair.
6. have no need of something to not need something:
She believes him and has no need of further proof.
7. [uncountable] when you do not have enough food or money:
cases of severe need in the inner cities
in need
We must care for those in need.
8. in your hour of need when you are in trouble and need someone to help you:
How could she abandon her father now, in his hour of need?
9. needs must (when the devil drives) British English used to say that you must sometimes do things that you do not like doing:
It's not the most comfortable way to travel, but needs must.
⇨ special needs
■ adjectives
▪a real/clear need (=one that really exists) There is a real need for after-school care in our area.
▪an urgent need (=one that must be dealt with quickly) The most urgent need was for more teachers.
▪a pressing/crying need (=a very urgent need) There’s a crying need for more doctors and nurses.
▪a desperate need (=an extremely urgent need) There is a desperate need to build more housing.
▪a growing/increasing need She emphasized the growing need to deal with environmental problems.
■ verbs
▪stress/emphasize/underline the need for something (=say how important it is) He stressed the need for better training courses.
▪eliminate the need for something (also obviate the need for something formal) (=make something unnecessary) The new drug treatment eliminates the need for surgery.
▪a need exists New teaching materials must be created if a need exists for them.
■ phrases
▪there is a need for something Clearly there is a need for more research.
▪there is no need for something They felt that there was no need for a formal contract.
▪as/if/when the need arises (=if or when something becomes necessary) Team members move from job to job as the need arises.
▪if need be (=if it is necessary) I can work during my lunch break if need be.
| I |
verb Word Family: noun: need, needs, the needy; adjective: needless, needy; verb: need; adverb: needlessly
1. [transitive not in progressive] to have to have something or someone, because you cannot do something without them, or because you cannot continue or cannot exist without them SYN require:
need something for something
need somebody to do something
need something desperately/badly/urgently
much needed/badly needed
2. [transitive not in progressive] to feel that you want something very much:
need to do something
3. need to do something used when saying that someone should do something or has to do something:
4. [modal] British English used in negative sentences when saying that something is not necessary or not always true ⇨ have to
need not/needn’t
need not have done something/need not do something
need I/we etc do something? British English old-fashioned:
somebody need never do something
5. [transitive] used when saying that something should have something done to it, or has to have something done to it
something needs doing
something needs to be checked/cleaned/done etc
need a (good) wash/clean/cut etc (=ought to be washed, cleaned etc)
6. [transitive] if a job needs a quality or skill, you must have that quality or skill in order to do it well:
7. I need hardly say/tell/remind etc British English used when you think people should already know what you are going to say:
8. you need only do something/all you need do is ... British English used when saying that you only have to do something in order to do something else:
9. need I ask/need I say more/need I go on etc? British English used to say that it is not necessary to ask or say more about something, because the rest is clear:
10. that’s all I need/that’s just what I didn’t need spoken used when saying that you did not want something to happen, especially when it seems annoying:
11. need something like a hole in the head informal used when saying that you definitely do not need something
12. who needs it/them? spoken
a. used to say you are not interested in something:
b. used to say that someone or something is actually very important to you:
GRAMMAR
Verb patterns
You can say that you need to do something:
▪
If someone else is going to do something for you, you can say that you need something done:
▪
When you are talking about the object that is going to have something done to it, you can say that it needs cutting, cleaning etc or needs to be cut, cleaned etc:
▪
▪
Negatives
You can say that you don’t need to do something or need not/needn’t do something:
▪
▪
Need not.means that it is not necessary to do something. Do not use it to mean must not (=should not, or are not allowed to):
▪
▪
If you say that someone needn’t have done something, you mean that it was not necessary for them to do it although they did it anyway:
▪
▪
| THESAURUS |
▪
▪
▪
▪
▪
▪
| II |
noun Word Family: noun: need, needs, the needy; adjective: needless, needy; verb: need; adverb: needlessly
Language: Old English
Origin: nied, ned
1. [singular] a situation in which something is necessary, especially something that is not happening yet or is not yet availableOrigin: nied, ned
need for
a need to do something
2. [singular, uncountable] a strong feeling that you want something, want to do something, or that you must have something
need for
feel the need (to do something)
3. [countable usually plural] what someone needs to have in order to live a normal healthy comfortable life:
sb’s needs
meet/satisfy a need (=provide something that people want or need)
4. there’s no need (for somebody) to do something
a. used to say that someone does not have to do something:
b. spoken used to tell someone to stop doing something:
5. be in need of something
a. to need help, advice, money etc, because you are in a difficult situation:
b. to need to be cleaned, repaired, or given attention in some way:
6. have no need of something to not need something:
7. [uncountable] when you do not have enough food or money:
in need
8. in your hour of need when you are in trouble and need someone to help you:
9. needs must (when the devil drives) British English used to say that you must sometimes do things that you do not like doing:
⇨ special needs
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There are two separate verbs need .有两个各不相同的动词 need。 Need as a main verb has the question formdo you need? , the negativeyou don't need and the past formsneeded ,did you need? anddidn't need . It has two meanings.* need 作主要动词时，疑问式为 do you need?，否定式为 you don't need，过去时为 needed、did you need? 和 didn't need。其含义有二： ：1. to require something or to think that something is necessary 需要或认为有必要 ：◆ Do you need any help? 你需要帮助吗？ ◆ I needed to get some sleep. 我需要睡一会儿。 2. to have to or to be obliged to do sth 必须或一定要 ：◆ Will we need to show our passports? 我们要出示护照吗？ Need as a modal verb hasneed for all forms of the present tense,need you? as the question form andneed not (needn't) as the negative. The past isneed have ,needn't have . It is used to say that something is or is not necessary.* need 作情态动词时，现在时均作 need，疑问式为 need you?，否定式为 need not (needn't)，过去时为 need have、needn't have，用以表示某事有必要或没有必要 ：◆ Need I pay the whole amount now? 我必须现在全部付清吗？
The modal verbs arecan ,could ,may ,might ,must ,ought to ,shall ,should ,will andwould .Dare ,need ,have to andused to also share some of the features of modal verbs.* can、could、may、might、must、ought to、shall、should、will 和 would 均为情态动词。dare、need、have to 和 used to 亦具有情态动词的某些特性。 Modal verbs have only one form. They have no -ing or-ed forms and do not add-s to the 3rd person singular form.情态动词只有一种形式，没有 -ing 或 -ed 形式，第三人称单数也不加 -s ：◆ He can speak three languages. 他会说三种语言。 ◆ She will try and visit tomorrow. 她明天将设法去参观。 Modal verbs are followed by the infinitive of another verb without to . The exceptions areought to ,have to andused to .情态动词后跟不带 to 的动词不定式，但 ought to、have to 和 used to 例外 ：◆ You must find a job. 你必须找到一份工作。 ◆ You ought to stop smoking. 你应当戒烟。 ◆ I used to smoke but I gave up two years ago. 我过去抽烟，但两年前就戒了。 Questions are formed without do /does in the present, ordid in the past.疑问句现在时不用 do/does，过去时不用 did ：◆ Can I invite Mary? 我可以邀请玛丽吗？ ◆ Should I have invited Mary? 我本该邀请玛丽吗？ Negative sentences are formed with not or the short form-n't and do not usedo /does ordid .否定句用 not 或简约式 -n't，不用 do/does 或 did。