高中英语 语法 练习 情态动词讲解

高中英语 语法 练习 情态动词讲解

情 态 动 词 一、情态动词用法

** 情态动词具有词汇意义，但意义不够完整，一般不能单独作谓语。情态动词表示说话人的语气和态度。 can; could; may; might; shall; should; will; would; must; dare; need; ought to

** 主要归纳为以下几个考查热点：

1. 情态动词基本用法；

2. 情态动词表示推测和特定的语气；

3. 情态动词 + have done 结构；

4. 情态动词和各种时态连用的含义；

1. can的用法

** 表示现在的能力 （相当于 be able to ） He ________ / ____ _____ ____ read French fluently now. ** ---- Look, someone is coming. Who ______ it be? ---- It _____ be the headmaster.

---- It _______ not be him. He has gone to Beijing on business.

---- Then it _______ be Mr. Zhang. He looks like the headmaster.

** Children can be annoying sometimes.

Accidents can happen on such rainy days.

** How can you be so careless?

What can he possibly mean?

** 表示请求和允许 ---- Can I go now? ---- Yes, you can. / No, you can’t. 表示“不得不，只好” ** cannot(或can 与never等否定词)与enough/too连用表示“再……也不为过”,“越……越好” 过马路时你再怎么小心也不为过。____________________________________________________ ____________________________________________________

2. could的用法

** 表示过去的能力，可用_________________________替换。（ 注意后者还有另一个意思） He _________ / _____ _______ ____ ride a bike when he was only 7.

用__________________________、___________________________和_______________________________来表达。

** 表示委婉的请求

3. may/ might的用法

** 表示请求或许可; He may be a lawyer.

He may not be a lawyer.

might 表委婉的请求; 表推测（可能性比may还小） He might be a lawyer.

---- ---- Surely, you ---- ---- Yes, you can. ( No, you can’t / mustn’t.)

高中英语 语法 练习 情态动词讲解

** _______________________________ 过去也许做过某事

___________________________ 意思为“最好、倒不如、不妨做某事”，相当于had better do sth. _______________________ 意思为“极有可能，很可能去做某事”，相当于be very likely to do sth. ** your you you dream to be. 希望在哥伦比亚大学学习的四年成为你一生中最快乐的时光！祝愿你梦想成真！ （Google中国区前总裁李开复给刚上大学的女儿的祝福）

4. must的用法

** “必须” _____________ ** He must be a lawyer.

______________________ 过去肯定做过某事 _________________________过去肯定没有做过某事 ** ---- Who is the girl standing there?

---- Well, if you ______ know, her name is Mabel.

** 注意对于must 一般疑问句的回答

---Must we clean the classroom now?

---Yes, you ________. / No, you ___________/_________________________.

** 与must有关的反意疑问句

He must be a lawyer, _________________?

He must be doing his homework upstairs now, _______________?

He must have arrived already, _________________?

He must have arrived yesterday, ____________________?

He must have finished the work by the end of last month, __________________?

5. shall的用法

** Shall I help you carry that box? Shall he wait outside or come in?

** If you work well, you shall have higher pay.

If you won’t do as I tell you, you shall not go to the party.

People under 18 shall not be employed in night work.

If you don’t get out, I shall knock you down.

** Let’s go together, ____________? Let us go together, ______________?

6. should的用法

** 表示义务，“应该，应当”，用于各种人称

You should be polite to your teacher.

You shouldn’t spend so much time playing computer games.

** If they start today, they should arrive there in two days.

It is 12 o’clock, and I should be home in ten minutes.

I wonder where Mary is. She should be here now.

高中英语 语法 练习 情态动词讲解

** Should用于if引导的条件状语从句中表示某件事情的可能性很小，意思是“万一”。

---What can I do for you?

---If you should see Mr. Smith, give him my regards.

**

“建议”：____________________________________________________________________________ “要求”：____________________________________________________________________________ “命令”：____________________________________________________________________________

It is suggested that we (should) make better use of the school library.

It is high time that we ____________ / _____________________the problem.

(此句型中的should不省略)

It is ____________ /_____________ /_________________ / ______________ / _____________/ ____________ that sb. (should) do sth.

** It is a pity that she should have lost all his money.

It is surprising that he should be so foolish.

7. will的用法

** He will sit there for hours, reading. Every Saturday evening they will play chess together. Boys will be boys. If today is Monday, tomorrow will be Tuesday. ** I have made up my mind to go and I will. I will do my best to help you.

**

8. would的用法

** On Sundays he would come to see his aging parents.

** 委婉的请求 ---- ___________ you do me a favor? ---- Of course, I _________.

Would you please tell me how to get to the zoo?

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