情态动词复习经典句子背诵

情态动词---小菜一碟

can/could

1.can 表示现在的能力could 过去的能力

Some of us can use the computer now, but we could n’t ten years ago.

2.can/could都可以表示许可或征询对方许可，后者更委婉

---Can/ Could I borrow your bike for a moment? --- Yes, you can.（答句只能用can）3.can表有时会

He can be a very tiresome child at times.

It can be pretty cold here, even in spring.

may/ might

1.may表示许可,

You may go now.

may/ might征询对方许可(只用于第一人称)

---May/ Might I go with my friends to the harvest festival?

---Yes, you may. / No, you mustn’t. / No, you may not. / No, you’d better not.

2.表示可能性

He may/ might be from Canada.

They may/ might have a lot of work to do.

3.may表祝愿

May you be happy.

May you have a long and happy life.

4.We might/may as well have another talk with him. 还不如，不妨

Her appearance has changed so much that you may well not recognize her. 非常可能

must

1.The work must be finished as soon as possible. 必须

2.You mustn’t smoke in public places. mustn’t 表禁止

3.There must be something wrong. 表推测

4.---can I smoke? --- If you must. 偏要

---Who is the girl standing over there? ---Well, if you mus t know, her name is Mabel. 偏要shall

1.一三人称疑问句中征求对方意见

Where shall I wait for you?

Shall we go out for a meal tonight?

Shall those goods be sent over to you at once?

When shall he come to see you?

2.二三人称陈述句中表示允诺、警告、威胁、命令、决心等

---will you read me a story, Mummy?

---OK. You shall have one if you go to bed as soon as possible. 允诺

---Excuse me, but I want to use your computer to type a report.

--- You shall not have my computer if you don’t take care of it. 警告

You shall do it at once! 命令

Candidates shall remain in their seats until all the papers have been collected. 命令

3. 用于法律条文、规章制度规定

---What does the sign over there read?

--- No person shall smoke or carry a lighted cigarette, cigar or pipe in this area.

One of our rules is that every student shall wear school uniform while at school.

should

1.表示劝告、责任、义务(可以和ought to 互换)

You should/ ought to keep your promise.

Young people should/ ought to respect old people.

2.表示不出意外按理应该

---When can I come for the photos? --- They should be ready by noon.

---Tom, when can you be back? --- Mum, I should be back in ten minutes.

will

1.---will you marry him? --- I will. 意愿

He won’t go with us. 意愿

2. I will never be back again. 意志

3. I am going to the library. Will you go with me? 询问对方意愿（只用于第二人称）

Will you give him a message when you see him? 向对方提出请求（只用于第二人称）would

1.过去的意愿、意志

Days later, my brother called to say he was all right, but would not say where he was. 2.表示意愿或请求，语气比will委婉

Would you like to join the football club?

I’d like to take a look at that shirt over there.

3.过去常常

He would go swimming in summer when he worked in the countryside.