英语语法助动词的用法和讲解（英语的助动词的学习）

英语的助动词的学习

助动词，或辅助动词，用于不定式之前，以表达不同的意思。例如，你可以用助动词来表示:

某人能够做某事,

某人被允许做某事，或者

有人必须做些什么。.

助动词有can, could, would, should, ought to, will, shall, may，might和must。

can 和 could

用can和could表达能力。

She can draw really good pictures.

Philip can run faster than Matt.

Can you ride a bike?

Can you help me with my homework?

She could already read before she started school.

Our teacher said we could go home early.

I ran as fast as I could.

Sarah could not come to the party because she was ill.

你也可以用can和could来表示某人被允许做某事。

My mom says you can come to our house for dinner.

Dad says I can’t walk to school on my own.

You can’t go in there without a ticket.

Mom said I could have ice cream after my dinner.

The big sign on the gate said PRIVATE, so we couldn’t go in.

Can和could也可以用来询问信息或帮助，或提供某物或建议。

Can you tell me if this train goes to Topeka?

Could you show me where the accident happened?

Could you open that window, please?

You can borrow my pen, if you like.

Your sister could come with us, if she wanted to.

I could lend you my football.

We can go to the library instead.

You could ask your dad to help us.

John can borrow his brother’s skates.

will 和 would

当你要求某人做某事时，使用will和would。

Will you please stop making that noise?

Would you pass me that book, please?

Please, will you close the door?

你也可以用will和would来表示提供某物或建议某事。

Will I hold this end of the rope?

Will I carry the bag for you?

Would you like another drink?

Which cake would you like?

shall 和 should

You can use shall and should to ask for advice, offer something and

suggest something.

你可以用shall和should来征求建议，提供某物和给出建议。

Should I bring waterproof clothes?

Shall I go by car, or will it be better to walk?

Should I phone the police?

Shall I help you with that heavy bag?

Shall we go home now?

You should try that new French restaurant.

ought to

你用ought to来提出强烈的建议和谈论某人的职责。

You look tired. You ought to go to bed early tonight.

I ought to get more physical exercise.

We ought to lock the door when we leave home.

You ought to turn off the computer when you’re not using it.

You ought to know how to spell your own name.

The teacher ought to make his classes more interesting.

must

用must来谈论某事你必须这么做。

I must mail this letter today.

You must speak louder. I can’t hear you.

Children must not play with matches.

Go to bed now. Oh, must I?

Why must I do my homework tonight?

may and might

用may来询问是否允许你做某事并告诉某人他们被允许做某事。

“May I go out to play now?” “Yes, you may.”

May I borrow your pen?

Please may I see your ticket?

John may leave now, but Sally may not.

May Kenny come with us to the movies?

使用may和might来谈论可能发生的事情。

Take an umbrella. It might rain.

I may not have time to go swimming tonight.

We might go to the party later.

If you’re not careful, you may hurt yourself.

“Are you going to the concert?” “I don’t know. I might or I might not.”

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