初中英语情态动词用法总结

一、can的用法:

1. (表示能力、功能)能,会

The classroom can seat thirty students.

这教室能坐三十位学生。

June can drive now.

琼现在会开车了。

2. (表示可能性)可能,可能会

I think the work can be completed ahead of time.

我认为这项工作能提前完成。

3. (表示允许、请求)可以

You can't take the book out of the room.

你不可以将这本书拿出室外。

Can I use your pen?

我可以用一下你的笔吗?

4. (表示命令)必须

If you won't keep quiet you can get out.

你如不保持安静,就请你走。

5. (表示偶然发生的可能性)有时会

It can be quite windy there, especially in spring.

那里有时容易刮风,特别在春季。

6. (表示惊讶)究竟;竟至于

What can it possibly be?

到底那是怎么一回事?

二、could的用法

can的过去式;

(用于虚拟语气,表示与事实相反的设想)能;可以;

(表示可能性)可能;

(用于婉转语气)能,可以

三、may的用法

1.表示请求和允许,意思是:可以

He may come if he likes. 如果他想来,可以来

2.表示祝愿,意思是:祝…,(但愿)。

May the friendship between our two peoples last forever. 祝两国人民的友谊万古长青。

3.表示推测,意思是:可能(会),或许(会)。

It may rain this evening. You'd better take an umbrella. 今晚可能要下雨,你最好带上雨伞。

四、must的用法

1.表“必须”。

You must talk to them about their study.你必须同他们谈谈关于他们学习的事。

2.在否定结构中表不许。

You mustn't leave here.你不能离开这儿。

3.表坚定的建议。

You must come and see us as soon as you get to Shanghai.一到上海你得马上来看我们。

4.表推测,暗含有很大的可能性,用在肯定句。

He must be ill. He looks so pale.他肯定是病了。他的脸色那么苍白。 注意:

may 暗含的可能性较小。must 暗含的可能性较大。否定的猜测用can't The baby can't be ill. He is so active.那宝宝不大可能是病了。他那么活跃。

五、might的用法

might表示的可能性太小,没有足够的说服力去职责别人。

can, could 之间的区别,和 may,might 之间的区别在于,虚拟句和过去时态用后者,表示的可能性比原词小,但大部分时候2者可以互换,不会产生歧义或者对表述造成干扰。

六、should的用法

1.should 作为助动词 shall 的过去式,可以在间接引语中与第一人称主语搭配,表示过去将来时间。

2.should 作为情态动词,通常用来表示现在或将来的责任或义务,译作“应该”、“应当”,这时它可以和 ought to, be supposed to 互换使用。例如: You should (= are supposed to ) complete your test in time.

你们应该按时做完你们的实验。

3.should 作为情态动词,可以用在条件状语从句中,表示语气较强的假设,译作“万一”、“竟然”,这时也可将 should 置于从句之首,即将 should 放在主语前面,而省略从属连词 if.

If it should rain tomorrow, I wouldn't go. (= Should it rain tomorrow, I wouldn't go.)

万一明天天下雨,我就不去了。

七、 would的用法

1.would是will的过去式,Would you like~?

表示请求、劝说,是很客气的说法。

Would you like a cup of tea?

您愿意喝杯茶吗?

2.主语+would like to~

表示“想要……”的意思上,与…want to~意思一 样,但用此句型较客气。 I want to ask you a question.

3.最基本的虚拟语气句型:

主句用would/ should/ could/ might +动词原形。

八。ought to的用法

ought to 是一个可以加上to 的情态动词其意思与should是一样的,但是ought to 不能用于虚拟语气中表示推测,而should可以

ought to与should意思接近,大多数情况下二者可以互换,但是should谈的是自己的主观看法,ought to则更多反映客观情况,在谈到法律、义务和规定时使用。

如: We should/ought to help each other and learn from each other in our work.

She is your mother, so you ought to support her.

We ought to go and see Mary tomorrow, but I don’t think we will.

情态动词习题

1.-Can I go fishing with you,Dad?

-No,you _____.You ______stay at home and do your homeworkfirst.

A.won't;may B.can't must C.shouldn't;ought D.needn't; should

2.-Do you know whose dictionary it is?

-It ______ Li Mei's. His name is on it.

A.can't B.must't

C.shouldn't D.needn't

3.-I can't stop smoking ,doctor.

-For your health,I'm afraid you ______.

A.can B.can't C.must D.mustn't

4.-Is Mr.Brown driving here?

-I'm not sure. He ______come by train.

A.may B.shall

C.need D.must

BBCA

 

第二篇:初中英语情态动词用法总结

初中英语情态动词用法总结

一、can的用法:

1. (表示能力、功能)能,会

The classroom can seat thirty students. 这教室能坐三十位学生。

June can drive now.

琼现在会开车了。

2. (表示可能性)可能,可能会

I think the work can be completed

ahead of time.

我认为这项工作能提前完成。

3. (表示允许、请求)可以

You can't take the book out of the

room.

你不可以将这本书拿出室外。

Can I use your pen?

我可以用一下你的笔吗?

4. (表示命令)必须

If you won't keep quiet you can get out. 你如不保持安静,就请你走。

5. (表示偶然发生的可能性)有时会

It can be quite windy there, especially in spring.

那里有时容易刮风,特别在春季。

6. (表示惊讶)究竟;竟至于

What can it possibly be?

到底那是怎么一回事?

二、could的用法

can的过去式;

(用于虚拟语气,表示与事实相反的设想)能;可以;

(表示可能性)可能;

(用于婉转语气)能,可以

三、may的用法

1.表示请求和允许,意思是:可以

He may come if he likes. 如果他想来,可以来

2.表示祝愿,意思是:祝…,(但愿)。

May the friendship between our two peoples last forever. 祝两国人民的友谊万古长青。

四、must的用法

1.表“必须”。

You must talk to them about their study.你必须同他们谈谈关于他们学习的事。

2.在否定结构中表不许。

You mustn't leave here.你不能离开这儿。

3.表坚定的建议。

You must come and see us as soon as you get to Shanghai.一到上海你得马上来看我们。

4.表推测,暗含有很大的可能性,用在肯定句。

He must be ill. He looks so pale.他肯定是病了。他的脸色那么苍白。

注意:

may 暗含的可能性较小。must 暗含的可能性较大。否定的猜测用can't

The baby can't be ill. He is so active.那宝宝不大可能是病了。他那么活跃。

五、might的用法

might表示的可能性太小,没有足够的说服力去职责别人。

can, could 之间的区别,和might 之间的区别在于,虚拟句和过去时态用后者,表示的可能性比原词小,但大部分时候2者可以互换,不会产生歧义或者对表述造成干扰。

六、should的用法

1.should 作为助动词 shall 的过去

式,可以在间接引语中与第一人称主语搭配,表示过去将来时间。

2.should 作为情态动词,通常用来表示现在或将来的责任或义务,译作“应该”、

“应当”,这时它可以和 ought to, be supposed to 互换使用。例如:

You should (= are supposed to ) complete your test in time.

你们应该按时做完你们的实验。

3.should 作为情态动词,可以用在条件状语从句中,表示语气较强的假设,译作“万一”、“竟然”,这时也可将 should 置于从句之首,即将 should 放在主语前面,而省略从属连词 if.

If it should rain tomorrow, I wouldn't go. (= Should it rain tomorrow, I wouldn't go.)

万一明天天下雨,我就不去了。

七、 would的用法

1.would是will的过去式,Would you like~?

表示请求、劝说,是很客气的说法。 Would you like a cup of tea?

您愿意喝杯茶吗?

2.主语+would like to~

表示“想要……”的意思上,与…want to~意思一 样,但用此句型较客气。 I want to ask you a question.

3.最基本的虚拟语气句型:

主句用would/ should/ could/ might +动词原形。

 

第三篇:情态动词用法总结

情态动词:不能单独作谓语

?

?

?

?

?

?

?

?

?

?

?

?

?

1. must、have/has to的用法

? have/ has to强调客观需要,意为 “必须,不得不”;must用于表示主观看法,意为“必须,应该”

? Must you come here for class or do you have to?

? ★ 以must开头的疑问句,肯定回答用must,否定回答用needn’t或don’t have to ? ---Must I finish the homework today?

? ---Yes, you must.

? ---No, you don’t have to/needn’t.

? must not (mustn’t)表示禁止

? No parking.

? You must not (mustn’t) park here.

I’m sorry. I ___ go now. My father told me on the phone that my mother was ill. (05厦门)

A. can B. may C. have to D. think

2. need的用法

? need to do实义动词,need do情态动词,意为“需要”

? The sheep need to fight with the wolves.

? (The sheep don’t need to fight with the wolves.)

? The sheep need fight with the wolves.

? (The sheep need not fight with the wolves.)

? ★ 用need提问,肯定回答用must, 否定回答用needn’t

? ---Need I return home by ten?

? ---Yes, you must.

? ---No, you needn’t.

“Where’s my umbrella?” “It’s fine today. You ___ take an umbrella with you.”(06新疆)

A. can’t B. needn’t C. mustn’t D. shouldn't 只作情态动词:must, can, could, may, might 既作情态动词也作实义动词:need 既作情态动词也作助动词:will, would, shall, should 具有情态动词的某些特征:have to, ought to, had better 情态动词的特征 有一定的词义,但不能单独作谓语,必须和实义动词或系动词连用,构成谓语 无人称和数的变化(除have to) The little girl has to sell matches. 后接动词原形 The little girl has to sell matches. 具有助动词的作用,可用于构成否定句、疑问句及简明回答 ---Can you play ping-pong? ---Yes, I can./ No, I can’t.

---I don’t mind telling you what I know.

---You __. I’m not asking you for it.(06济南)

A. needn’t B. mustn’t C. may not D. can’t

3. can、could的用法

? 表示能力,意为“能,会”

?

?

?

?

? Can you play badminton? 表示请求或允许,多用于口语中,意为“可以”,相当于may,can的语气强于could You can go now. Could you give me a hand? 以can、could开头的问句,肯定、否定回答仍用can、could

? ---Could she swim when she was a child?

? ---Yes, she could./No, she couldn't.

We hope that as many people as possible ___ join us for the charity show tomorrow.(08苏州)

A. need B. can C. must D. should

---___ you friend play the guitar?

---Yes, he can, but he can’t play it well.(06广西)

A. Must B. Can C. Should D. Need

4. may、might的用法

? 表示请求、许可,意为“可以”,may的语气强于might

? May I borrow your book?

? I asked her if I might leave.

? ★ may表示请求时,主语为第一人称的一般疑问句,肯定回答用may,其否定回答

用mustn’t,表示“不许,禁止”

? ---May I go now?

? ---Yes, you may.

? ---No, you mustn’t.

---Is Mr. Brown driving here?

---I’m not sure. He ____ come by train.(08安徽)

A. may B. shall C. need D. must

---May I put my bike here?

---No, you ___. You should put it over there.(04北京)

A. couldn’t B. needn’t

C. mustn’t D. won’t

5. will、would、shall、should (ought to)的用法

? shall用于第一人称表示征求意见询问

? Shall we have dinner at that restaurant?

? should、ought to表示义务、责任,“应该”

? We should/ought to obey our parents.

? We shouldn’t/ought not to sleep in class.

We ___ keep the new traffic law and learn how to protect ourselves.(08湖北)

A. may B. should C. can D. need

6. will、would用于第二人称表示征求意见询问,也可表达现在的意愿,will的语气强于would

? Will you pass me the book?

? I would do anything for you.

? would表示过去习惯性的动作,相当于used to

? I would go to the gym every week during my college years.

= I used to go to the gym every week during my college years.

7. had better的用法

? 表示最好做某事 ,否定为had better not

? You’d better ask him to stop laughing.

? He’d better not laugh any more.

The baby is too young. You ___ give her big pieces of food.(08沈阳)

A. may B. must C. may not D. must not

Tony ___ go to the opera on Saturday because he’s going to have a meeting.(08天津)

A. can’t B. might C. mustn’t D. should

---Tom, don’t drive too fast, you ___ hit the others’ cars.

---Ok, I won’t, Mum.(04乌鲁木齐)

A. must B. need C. may D. have to

---Must I do the work now?

---No, you ____. You may do it later.(07四川)

A. can’t B. mustn’t C. needn’t D. shouldn’t

表推测的情态动词的用法

对现在或将来的行为的推测(情态动词+动词原形)

? must表示“肯定”推测,只用于肯定句

Xi Yangyang must be a boy.

? can, could, may, might用于肯定句中,表示“可能”推测,语气由强到弱

The dictionary may be there.

It might rain this evening.

I’m sure this book ___ Li Lei’s, because there is his name on it.(08吉林)

A. can’t be B. may be

C. might be D. must be

? can, could, may, might用于否定句中,can’t, couldn’t 表示“不可能”,may not,

might not表示“可能不”,

He can’t be there.

The news may not be true.

? 表推测的把握性程度由低到高为might →may →could →can →should →ought to

→would →will →must

---Listen! Is Professor Bloom giving a speech in class?

---No, it ___ be him. He has gone to France.(08潍坊)

A. may not B. mustn’t

C. needn’t D. can’t

---Who’s that boy reading in the garden? Is that David?

---It ___ be David. I saw him in the classroom just now.(08重庆)

A. must B. can’t C. may D. shouldn’t

---Will you answer the telephone? It ___ be your mother.

---Sorry. I ____. I’m busy.(08山东)

A. can; mustn’t B. will; can’t

C. may; can’t D. need; will

Four hundred dollars for a pair of shoes, you ___ be joking!(08杭州)

A. may B. can C. need D. must

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