初一情态动词讲解及练习附答案

（could）, may （might）, must, have to, shall （should, will （would）, dare （dared）, need （needed）, ought to等。

情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓
语
一、can, could
1）表示能力（体力、知识、技能）。

Can you lift this heavy box?（体力）
Mary can speak three Ianguages.（知识）Can you skate?（技能）
此时可用be able to代替。

Can只有一般现在时和一般过去式；而be able to则有更多的时态。

I ' ll not be able to come this after noon.
当表示经过努力才得以做成功某事"时应用be able to,不能用Can。

如：
He was able to go to the party yesterday evening in spite of the heavy rain. 2）表示请求和允许。

——Can I go now? —— Yes, you can. / No, you can 此时可与may互换。

在疑问句中还可用
could, might代替，不是过去式，只是语气更委婉，不能用于肯定句和答语中。

——Could I come to see you tomorrow? ---- Yes, you can. （No, I
' m afraid not.）
3）表示客观可能性（客观原因形成的能力）。

They' vcha nged the timetable, so we can go by bus in stead. This hall can hold 500 people at least.
4）表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。

Can this be true? This can ' t be done by him. How can this be true?
二、may, might
1）表示请求和允许。

或mustn'，表示不可以，禁止”---Might/ May I smoke in this room? ---- No, you must n --- tMay/Might I take this book out of the room?
---- Yes, you can. （No, you can ' t / m W stMay I... ？征徇对方许可时比较正式和客气，而
用Can I... ?在口语中更常见。

2）用于祈使句，表示祝愿。

May you succeed!
3）表示推测、可能性（不用于疑问句）。

might不是过去式，它所表示的可能性比may小。

1. He may /might be very busy now. 2 . Your mother may /might not know the truth.
三、must, have to 1）表示必须、必要。

You must come in time.
在回答引出的问句时，如果是否定的，不能用mustn' t禁止，不准），而用needn' t, don ' t have
to （不必）.---- Must we hand in our exercise books today? ---- Yes, you must. ——No, you don ' t have to / you needn ' t.
2）must是说话人的主观看法，而have to则强调客观需要。

Must只有一般现在时，have to
有更多的时态形式。

1. he play isn ' t interesting, I really must go now.2 I had to work when
I was your age.
3）表示推测、可能性（只用于肯定的陈述句）
1. You' re Tom ' s good friend, so you must know what he likes best.
2. Your mother must be wait ing for you now.
四、dare, n eed
1）dare作情态动词用时，常用于疑问句、否定句和条件从句中，过去式形式为dared。

1. How dare you say I ' m unfair?Hfe daren ' t speak English before such a crowd, dare he?
3. If we dared not go there that day , we couldn ' t get the beautiful flowers.
2）need作情态动词用时，常用于疑问句、否定句。

在肯定句中一般用must, have to, ought to, should 代替。

1. You needn ' t come so early.-2-.-
Need I finish the work today?
——Yes, you must. / No, you needn . 't
3）dare和need作实义动词用时，
带to的不定式。

在疑问句和否定句中，dare后面可接带to或不带to的
不定式。

而need后
面只能接带to的不定式。

1. I dare to swim across this river.
2. He doesn ' dtare （to） answer.
3. He
needs to finish his homework today.
五、shall, should
1）shall用于第一人称，征求对
方的意见。

What shall we do this
evening?
2）shall用于第二、三人称，表示说话人给对方的命令、警告、允诺或威
胁。

1. You shall fail if you don '警告rk 2alHe（shall have the book
when I finish it.（允诺）
3. He shall be punished.（威胁）
六、will, would
1）表示请求、建议等，would 更委婉。

Will / Would you pass me the ball, please?
2）表示意志、愿望和决心。

1. I will never
do that again. 2. They asked him if he would go
abroad.
3）would表示过去反复发
生的动作或某种倾向。

would表示过去习惯时
比used to正式，且有
现已无此习惯"的含义。

1. During the vacation, he would visit me every
other day. 2. The
wound would not heal.
4）表示估计和猜想。

It would be about
ten o ' clock when she left home.
七、should, ought to 1） should, ought to 表示应该” ought to 表示义务或
责任，比
气重。

1. I should help her because she is in trouble. 2. You ought to take
care of the baby.
2）表示1. You should / ought to go to class right away. 2. Should I ope n the win
dow?
3）表示推测
should , ought to （客观推测）,must（主观推测）。

1.He must be home by now.（断定他已到家）
2. He ought to/should be home by now.（不太肯定）
3. This is where the oil must be.（直爽）
4. This is where the oil ought to/should be.（含蓄）
情态动词can表示能力，意为能会"
表示推测，意为可能” 常用于否定句和疑问句中
表示请求，允许，意为可以”
could can的过去式，意为能、会”表示过去的能力
在疑问句中表示委婉请求
may 表示请求、许可，意为可以”
表示推测，常用于肯定句中，意为可能、也许”
might may的过去式
表示推测，常用于肯定句中，意为“可能、也许”
must 表示主观看法，意为必须、应该”
表示有把握的推测，用语肯定句
Need 表示需要、必须，主要用于否定句和疑问句中
dare 表示敢于，主要用于否定句和疑问句中
should 意为“应该”，表示要求和命令
表示劝告、建议
had better意为最好”,表示建议
used to 意为过去常常，表示过去的动作、行为
考点知识清单
知识梳理
情态动词有具体的词义，但也同助动词一样，需要与其他词语一起构成句子的谓语，
外情态动词没哟人称和数的变化，情态动词后必须跟动词原形。

考点一can ，may，must等情态动词在陈述句中的用法
1. can的用法
（1）表示能力、许可、可能性。

表示能力时一般译为
能、会”，即有种能力，
尤其是生来具备的能力，此时may和must均不可代替它。

如：She can swim fast, but I can 她能游得很快，但我不能。

I can see with my eyes. 我用眼睛看。

（2）表示可能、能够。

女口：I can finish it in an hour.我能在一小时后完成它。

（3）表示许可，常在口语中。

如：
You can use my dictio nary. 你可以用我的字典。

(4)表示推测，意为可能” 常用于否定句和疑问句中，此时can'译为“不可能”
Can the n ews be true?这个消息会是真的吗？
——Can it be our teacher?
那个人有可能是我们老师吗？
——No, it can ' t be our teacher. He is on a visit to the Great Wall.
不可能。

咱们老师止在游览长城呢。

例---I think Miss Gao must be in the library. She said she would go there.
——No. She __ be there, I have just bee n there.
A.ca n 't
B.must n 't
C.n eed n't
D.would n 't
［解析］
根据下文我刚去过那儿”可知，应为“不可能” can'表示推测
［答案］A
. could的用法
(1)can的过去式，意为冃能、会，示过去的能力。

女口：
He could write poems whe n he was 10. 他十岁时就会写诗。

(2)could在疑冋句中，表示委婉的语气，此时could没有过去式的意思。

如：Could you do me a favour? 你能帮我个忙吗？
--Could I use your pen?我能用一下你的钢笔吗？
-Yes, you can.可以。

. may的用法
(1)表示请求、许可，比can正式，女口：
May I borrow your bike? 我可以借你的自行车吗？
You may go home now.现在你可以回家了。

例---- I borrow your MP3?
——Sure . Here you are.
A. May
B.Should
C.Must
D. Would
【解析】在此处表示请求，意为“做……可以吗”。

答案A
2)表示推测，谈论可能性，意为“可能，或许” 一般用于肯定句中。

女口：
It may rain tomorrow . 明天可能会下雨。

She may be at home.她可能在家呢.
⑶may的过去式为might，表示推测时。

可能性低于may 。

女口：
He is away from school. He might be sick.
他离开学校了，可能是他生病了。

不，你不必。

(4) must表示有把握的推测，用于肯定句。

如
The light is on, so he must be at home now. 灯亮着，他现在肯
定在家。

注意其反意问句的构成形式:
肯定的判断、推测时，其反意疑问句要用实际问句的助动词来构成。

当must 表示
如：
She must have finished writing, hasn ' t she?
她一定已经写完了，不是吗？
5. need的用法
(1) n eed表示需要、必须，主要用于否定句和疑问句中，其否定形
式为need n't,
意为没有必要，不必”用need提问时，肯定回答为must，否定
回答为needn' t。

女口:
----Need I stay here any Ion ger? 我还有必要留在这儿吗？
——Yes, you must .是的。

—— No. you needn ' t不，你不必。

(2) need还可以作实义动词，此时有人称、数和时态的变化，后边多
如：
I n eed to do it right now.我需要马上做这件事。

He needs to learn more about the girl.他需要多了解那个女孩。

6. dare的用法
dare意为敢、敢于”，用法近似于need，有两种词性：
(1)dare作为情态动词，多用于否定句、疑问句或条件句中，
无第三人称单数
形式，只有一般现在时和一般过去时。

女口：
Dare he tell them what he kno ws?
他敢告诉他们所知道的情况吗？
I daren ' t ask herwill you do it for me?
我可不敢问她，你能帮我问问吗？
(2)dare作为实义动词，此时有人称、数及时态的变化。

如：
He doesn' t dare to break his promise.
他不敢食言。

注意：在口语中，dare的各种形式常与不带to的不定式连用。

如：
Do you dare tell her what I said?
你敢告诉她我说的话吗？
I didn ' t dare look at him.
我不敢看他。

7. shall的用法
(1) shall表示征求对方意见(多用于第一、三人称) ，如:
Shall we go out for a walk? 我们出去散步好吗？
(2) 表示决心、警告、命令( 多用于第
二、三人称)，如：
No one shall bring your beepers or mobile pho nes in the exam. 考试
中任何人不准带BP机和手机。

8. should的用法
(1)should意为应该”，可表示劝告、建议、义务、责任等。

We should protect the environment. 我们应该保护环境。

(2)should (would)like to do sth.表示想要、愿意做某事”常
用于口语中。

如:
I should (would) like to go with you . 我愿意和你一起去。

Would you like to go with me? 你想和我一起去吗？
(3)Should have done表示对过去动作的责备、批评。

如: You should have fini shed your homework.
你应该已经完成作业了。

(事实上你没有完成。

)
9. will的用法
will表示意愿、意志、打算，可用于多种人称。

如：
I will help you if I ' m free this after noon.
今天下午如果我有空，我就会帮你。

10. had better 的用法
had better意为最好”没有人称的变化，后面接不带to的不定式，其
否定形式为：had better not。

如：
We had better go now.我们最好现在就走。

You had better not give the book to him.
你最好不要把这本书给他。

考点二含有情态动词的疑问句
1. 由can、may、must构成的疑问句
(1)句式：Can/ May/ Must…+主语+动词原形+•••.?女口: Can you
repair the car?你会修小汽车吗？
Could he be a good stude nt?他能是名好学生吗？
May I borrow your ruler? 我可以借你的尺子吗？
Must we clean the room now?我们必须现在打扫房间吗？
(2)对may引出的问句，可以有下列回答方式：
Yes, of course.
Yes, certa inly.
Sure .
No, you mustn ' t.
No, you can ' t.
(3)对must引出的疑问句，回答方式为：
Yes,…must.
No,… needn ' t/ don ' t have to.
2. will , would , shall 的用法
(1)will在一般疑问句中表示客气的请求、劝说” would 是will的过去式,
语气更加客气、委婉。

女口：
Would you show me your picture book? 你能让我看看你的画册吗？
Will you please give me a call? 请给我打个电话好吗？
(2)对will/ would you …的回答方式有以下几种：
Yes, I will. (No, I won ' t.)
Sure . (I ' m sorry , I can ' t.)
All right.
Certainly. (No, thank you .)
Yes, please.
例---Would you do me a favour and pass on my thanks to Lily?
A.That' s right
B.With pleasure
C.It doesn ' t matte
D.No trouble
解析 A.意为对了” , B.意为“乐意效劳”，C.意为“没关系” D.意
为不费事答案B
(3)shall引出的疑问句用于第一人称，表示征求对方意见或客气的请求。

如:
我给你把门打开好吗？
我们现在开始好吗？
其回答方式有以下几种：
Yes, please.
All right.
No, tha nk you.
考点三不同情态动词的否定意义也不同
1. ( 1) can'可译为不会” 女口：I can ' t play basketbal我不会打篮球。

(2)当句子表推测时，用can'表达不可能，女口：
He can' t be ill. He is playing chess with Tom.他不可能病了，他正和Tom 下棋呢。

(3)can'还可用来回答“ May I…?这样的问句。

女口：
May I come in ? 我可以进来吗？
No, you mustn ' t. / can 不,t.你不能。

(4)can'还可用于固定习语中。

如：
She can' t help crying.她不禁大哭起来。

2. may的否定式为may not ,译成"可能不”女口: He may not be
at home.他也许不在家。

3. (1) mustn' t表示不许，不可。

如：
He must n't leave his room.他不许离开他的房间。

You must n't talk in class .你们不可以在课上说话。

(2) mustn't也可用于以may表示要求时的否定回答中。

女口：
---- May I sta nd here? 我可以站在这里吗？
------ No, you mustn ' t(can ' t).
不，不行。

4. (1) needn' t意为“不必"。

女口：
You n eed n' t meet him uni ess you ' d like to.
你不需要见他，除非你愿意。

(2) need n' t + have+动词的过去分词，表不需要完成但已完成的动作，暗含时间
或精力上的浪费。

如：
You need n' t have bought it.你没必要买它(但你却买了) 。

5. shouldn '表示不应该。

女口：
You shouldn ' t feel so unhappy over such little things.
对于这种小事，你不应该感到这么不高兴。

考点四情态动词的被动语态
含有情态动词的被动语态的结构为：情态动词+ be + done (动词的过去分词)。

做题时要兼顾情态动词和被动语态这两个方面。

女口：
You needn' t get up so early every day.
你不必每天都起这么早。

She shouldn ' t speak t her mother in that way.
她不应该用那种方式和妈妈说话。

More and more trees must be pla nted in Chi na.
在中国必须种植更多的树木。

Many of the stars can not be see n because they are far away from us.
很多星星我们都看不到，因为它们离我们太远了。

易混知识清单
知识归纳
易混点一can 禾口be able to
两者表示能力时用法相同，但can只有原形“can"和过去式
“ could两种形式，在其
他时态中要用be able to来表示。

另外be able to常常指经过努力，花费了时间和劳力之后才能做到某事。

如：
Jim can ' t speak English吉姆不会说英语。

He could speak English at 5.他五岁时就会说英语。

We ll be able to see him next week.下星期我们将会见到他。

He has been able to drive.他已经会开车了。

I ‘ m sure you 'll be able to finish it quickly.
我相信你能迅速地完成。

We were able to reach the top of the mountain at noon.
我们能在中午到达山顶。

易混点二can禾口may
1. can和may均可用来征求意见或许可，意为可以” 一般可互换使用。

如：
Can/ May I help you ? 我能帮助你吗？
2. can和may表示可能性时的区别：
1) 在肯定句中用might, may, must, 不用can
2) 在疑问句中表示推测用can,不用might, may, must
3) 在否定句中用can' t不可能)，不用may, must。

女口：
She may be in the classroom .她可能在教室里。

Where can they be now?他们现在可能在哪儿？
That can ' t be true那不可能是真的。

易混点三may be禾口maybe
用法区别常用位置
may be may为情态动词，be为动词原形句中，作谓语maybe 副词，大概、也许，相当于perhaps 句首，作状语
He may be wrong , but I ' m not si也许他错了，但我也不确定。

易混点四can' 和must n't
1. can'根据其基本用法可译为：
(1)不会，女口：
I can ' t speak English我不会说英语。

(2)不能，女口：
We can' t do it now because it ' s too dark.
天太黑了，我们现在干不了。

(3)不可能，女口：
那个人不可能是咱们老师，他年轻得多。

The man can' t be our teacher because he is much younger than our teacher..
2. mustn'億为“禁止、不许” 用来表达命令，表示强烈的语气。

You mustn' t play football in the street. It ' s too dangerous.
你不可以在街上踢足球，太危险了。

易混点五must禾口have to
1. must侧重于个人意志和
主观上的必要，还可以在间接引语中表
示过去的必要或业务。

2. have to侧重于客观上的必要，可用于现在时、过去时和将来时。

如：
I know I must study hard.
我知道我必须努力学习。

My brother was very ill, so I had to call the doctor in the mid-ni ght.
我弟弟病得厉害，我只得半夜里把医生请来。

I haven' t got any money with me, so I ' ll have to borrow some from
my friend.
我身上没带钱，只好向朋友借点了。

He said they must work hard.
他说他们必须努力工作。

易混点六need, dare的两种用法
3. n eed，dare作情态动词是，多用于否定句、疑问句中，后
接动词原形。

如：
You need n't explai n it to me .你不必向我解释这件事。

Dare you say that again?你敢再说一遍吗？
3. 在肯定句中，它们后边多接动词不定式，此时为实义动词。

如：
Tom n eeds to fetch the bool for me .
汤姆需要给我取回那本书。

Mary dared to go across the street by herself. 玛丽敢自己过马路。

易混点七used to do / be used to doing / be used to do
…
used to do表示过去常常发生的动作，强调过去，只用于过去，
注意用to do,不用
doing形式；而be used to doing意为习惯做…”，be可有各种时态；be “••…被使用去做……，”为被动语态形式。

如：
My father used to eating meat.我父亲过去起床晚，但现在不得不早起
了。

She is used to eating meat 她习惯吃肉。

He was n' t used to eati ng in a estaura nt.他不习惯在饭店吃饭。

Knives are used to cut things.刀是被用来切东西的。

（被动语态）
方法技巧清单
方法技巧
方法一了解命题规律
测试内容出现频率较高的情态动词主要集中在can, may, must, n
eed等次的用法
上，重点为以下四点：
1. can , could表能力的用法。

2. 常见情态动词的提问和回答，尤其是May I…？No , you mustn ' t/ can ' t. Must
I…？
No, you needn ' t/
3. 表示推测的用法，肯定句中用may （可能），must （—定），
否定句中用may
not （可能不），can ' t不可能）。

注意can '与mustn '的区别。

4. 情态动词的被动语态。

方法二掌握突破方法
1. 从整体上把握情态动词的基本用法。

例一 ________ you pass me a pen? I ' d like to write down the phone numbr. —Sure. Here
it is.
A. Can
B. Need
C. Might
D. Must 【解析】由题干可知，本句表示请
求、许可。

【答案】A
2. 逐个学习，了解每个情态动词的用法特征。

例—May I go to the cinema, mum? —Certainly, but you ______________ o' clock.
A. can
B. may
C. must
D. n eed
［解析］由题意可知，此处并非表推测的用法，而是妈妈对孩
子提出的要求，故选
C,意为“必须”。

［答案］C
3. 认真区别具有相同功能的、意思相近的情态动词的用法。

例You _______get there by bus.
A. don ' t need
B. needn ' t to
C. don ' t need to
D. need don ' t to
【解析】由选项A可知n eed为实义动词，故应加上to才正
确。

选项B need n't
为情态动词，应去掉to,故选C.
答案C
4. 解答情态动词的题目时，一定要细心领会情景特征，不要放过任何细节，只有
这样才能找到足够的信息，确定最佳答案。

例You _______ worry about me. It ' s nothing serious.
A. can 't
B. mustn 't
C. needn 't
D. won't
【解析】由题干It' s nothing serious可推断，第一句意为你不
必为我担心” 故选C。

本题易错选B, mustn '意为禁止”故不正确。

答案C
易错题型清单错题透视错因一语境理解错误例一Excuse me. Is
this the right way to
the Summer Please? —Sorry, I ' m not sure . But it _________ be.
［分析］考查情态动词might表推测的用法。

“I ' mot sure "说明说话者的语气并不肯
定，所以要用might。

答案A【错因透视】情态动词表示推测时，肯定句中用might , may, must,其
肯定程度递增。

错因二否定形式混淆
例The man in the office __ be Mr. Black because he went home just now.
A.must n 't
B.may not
C.ca n 't D .n eed n't
【分析】由下文he we nt home just now可知，作者判断办公室里那个人（不
可能是
Mr. Black 。

mustn '意为千万别” may not意为可能不”
n eedn '意为不必”
can'億为不可能，故选C o
答案C
【错因透视】情态动词的否定式含义不同，要牢记每个否定式的不
同含义。

错因三相似词语混淆
例---Can you go surfi ng with us this after noon?
——I ' d like to , but I __ look after my sister at home , because my mother is ill.
A.n eed
B.must
C.have to
D.should
【分析】由题干my mother is ill为客观要求可知，选C.
答案C
［错因透视］相似词组must表示主观愿望，have to则为客观要求。

学生由于不清楚这一点而误选B项。

错因四疑问答语易错解
例----May I take this book out of the reading room?
----- -------- . Please read it here.
A. Certainly
B.No, you needn '
C.No, you mustn 't
D.No, you may not
【分析】May I…?的否定答语为No, you can ' t/ mustn ' t. ; Must I 否定答语为No, you needn ' t/don ' t havCton;l …的否定答语为No , you can '在口语交际中，要体会句子中的情感差别。

【答案】C
【错因透视】学生由于看到问句中用的情态动词may而误选D 项。

应该注意在有问话
与答语的上下文中，下文不一定要填上文出现的情态动词，而要注意情感的细微变化。

情态动词练习(1)
1. May I stop my car here? No, you ___________ .
A. can't
B. must n't
C. n eed n't
D. don't have to
2. Must we clea n the house now? No, you __________
A. n eed n't
B. may not
C. must n't
D. can't
3. John his father about his failure in the exam.
A. dares not tell
B. dares not telling
C. dare not tell
D. dares not to tell
4. You return the book now. You can keep it next week if you like.
A. can't
B. must n't
C. n eed n't
D. may not
5. Johnny, you play with the knife, you hurt yourself.
A. won 't...ca n't
B. must n't...may
C. should n't, must
D. can
't...should n't
6. The fire spread through the hotel very quickly but every one
get out.
A. had to
B. would
C. could
D. was able to
7. Would you go out for a walk with me?
No, I . My girl friend is coming.
A. would n't
B. shall not
C. wo n't
D. should n't
8. Man die without water. A. will B. can C. need D. shall
9. If he started at 9 0'clock, he be there by now.
A. need
B. shall
C. ought to
D. must
10. I mailed the letter two weeks ago. She _______ it.
A. must receive
B. can't receive
C. might receive
D. must have received
11. The professor gave orders that the experiment before
5:30p.m.
A. be finished
B. will finish
C. must be finished
D. would be finished
12. There was plenty of time. You ______ .
A. must n't hurry
B. must n't have hurried
C. needn't hurry
D. needn't have hurried
13. Tom was a diligent boy. He go to school though it was
raining hard. was able to B. could C. could n't D. was n't able
to
14. _____ I go back before lunch? No, I don't think you __________
A. Need...must
B. Do...need to
C. Must...have to
D. May ....
ought to
15. The teacher do all the exercises, but a pupil ________ .
A. needn't....must
B. may not...must
C. needn't....needn't
D.
can't....must
16. Would you open the window please ? Yes, I ________ .
A. will
B. would
C. do
D. can
17. A lion only attacks a human being when it is hungry.
A. should
B. can
C. will
D. shall
18. ___ Must I finish this novel this morning ?
___ N o, you ____ .
A. must n't
B. might not
C. don't have to
D. can't
19. The taxi ____ only hold six passengers.It is full. You take
the next one.
A. may...may
B. can ...may
C. may...ca n
D. must...ca n
20. I a little earlier, but I met a friend of mine on the way.
A. may come
B. may have come
C. could have come
D. must
have come
21. I wish to go home now, I?
A. may
B. can't
C. must
D. do
22. He must have fini shed his homework, he?
A. must n't
B. did n't
C. n eed n't
D. has n't
23. This pen looks like mine, yet it isn't. Whose it be?
A. must
B. can
C. may
D. might
24. He did n't do well in the exam. He hard at his less ons.
A. must have worked
B. ought to have worked
C. would have worked
D. has worked
25. I wonder how he that to the teacher.
A. dare to say
B. dare saying
C. not dare say
D. dared say
26. Mr Baker, a number of students want to see you. ________ they outside?
A. Should
B. Will
C. Shall
D. Are
27. You the trees. Look, it is raining now.
A. must n't have watered
B. n eed n't have watered
C. could have watered
D. might have watered
28. I give you an answer tomorrow. I promise!
A. must
B. will
C. may
D. shall
29. As a soldier, you do as the head tells you.
A. will
B. shall
C. may
D. ought
30. The streets are all dry. It ______ during the night.
A. can't have rained
B. must have rained
C. could n't rain
D. should n't have rained
31. "When ____ he leave the hospital?" I asked the doctor.
A. will
B. shall
C. can
D. may
32. They have not finish the work up to now.
Well, they ______
A. should have
B. should
C. ought to
D. ought have
33. Since it is already midnight, we _______ .
A. had better leaving
B. ought to have leave
C. should take our leave
D. might as well leave
34. you be happy!
A. May
B. Can
C. Must
D. Would
35. Must we come tomorrow?
A. No, you can't
B. No, you needn't
C. No, you must n't
D. No, you may not
36. You miss the less on, though we have it on Thursday.
A. must n't... need n't
B. n eed n't....must n't
C. must n't...must n't
D. n eed n't... need n't
37. To succeed in a difficult task, ______ .
A. one needs to work hard
B. to work hard is needed
C. you need be a hard working person
D. to work hard is what one needs
38. In case I _____ , I would try again.
A. will fail
B. would miss
C. should fail
D. shall miss
39. Some people feel that handguns ______ .
A. should con trol
B. should be con trolled
C. must be controlling
D. can be control
40. _____ open the door for you ?
A. Would you like that I
B. Do you want that I
C. Will I
D. Shall I
41. My son ____ the exam in ati on, but he was n't careful eno ugh.
A. might be able to pass
B. must have passed
C. could have passed
D. were able to pass
42. Isn't it strange that the lazy boy pass the exam?
A. should
B. has
C. might
D. would
43. We the work so early without your help.
A. could n't finish
B. can't finish
C. could n't have fini shed
D. can't have fini shed
44. We the man ager, but no one ______ his telepho ne nu mber.
A. could have called, knew
B. could have called, had known
C. could call, had known
D. could call, knew
45. "Would you come and join them?"
"I wish I . But I am busy at this moment.
A. can't
B. could n't
C. could
D. can
46. If Alice this after noon, the meeti ng should be put off.
A. would not come
B. might not come
C. should not come
D. could not come
47. I did n't see her in the meet ing room this morni ng. She at the meeti ng.
A. must n't have spoke n
B. should n't have spoke n
C. n eed n't have spoke n
D. could n't have spoke n
48. With so much work on hand, you to see the game last night.
A. must n't go
B. should n't go
C. could n't have gone
D. should n't have gone
49. I thought you like something to read, so I have brought you some books.
A. may
B. might
C. could
D. must
50. There was plenty of time. She _______ .
A. must n't have hurried
B. could n't have hurried
C. must not hurry
D. needn't have hurried
51. It's still early, you ______ .
A. must n't hurry
B. would n't hurry
C. may not hurry
D. don't have to hurry
52. Please ope n the window, ______ ?
A. can't you
B. aren't you
C. do you
D. will you
53. We for her because she never came.
A. must n't have waited
B. should n't have waited
C. must n't wait
D. n eed n't wait
54. May I stop here?
No, you ____ .
A. must n't
B. might not
C. n eed n't
D. won't
55. He ______ you more help, even though he was very busy.
A. might have given
B. might give
C. may have given
D. may give
56. I did n't see her in the meet ing room this morni ng. She at the meet ing.
A. must n't have spoke n
B. should n't have spoke n。