备考指南

剑桥MSE基础语法丨情态动词的作用(下)

2022-09-28 08:00:00 剑桥(MSE)考试培训中心 2163

今天我们将继续分享:Requests, offers and invitations请求,提议,邀请、

Suggestions and obligations建议和义务

KET考试,PET考试


情态动词虽然数量不多,但用途广泛,今天王老师就带大家一起来从情态动词的作用着手,一起拿下情态动词吧!


情态动词的作用:

Probability可能性

Ability能力

Permission准许

Requests, offers and invitations请求,提议,邀请

Suggestions and obligations建议和义务


4:Requests,offers and invitations请求,提议,邀请

Requests

我们使用could you .../would you ...来礼貌地告知、请求别人做某事:

Could you take a message, please?

Would you carry this for me, please?


同样可使用can/will请求别人做某事,但礼貌程度略有降低:

Can you take a message, please?

Will you take a message, please?


offers and invitations

我们使用can I... /shall I...来进行提议:

Can I help you?

Shall I help you with that?


有时也用I can/I could/I will来提议:

I can do that for you if you like.

I could give you a lift to the station.

I'll do that for you if you like.

I'll give you a lift to the station.


我们使用Would you like (to)...表示邀请:

Would you like to come round tomorrow?

Would you like another drink?


5:Suggestions and obligations建议和义务


Suggestions

我们使用should/could/shouldn't来给建议

You should send an email.

We could meet at the weekend.

You shouldn't go by train.


注意!could一般用在给出积极建议的时候。


obligations

我们使用must/mustn't/have to表达义务、必须做/不做某事:(have to严格来讲不算情态动词哦,但用法接近情态动词,所以可以一起学习)

You must stop at a red light.

I'm sorry, but you mustn't make a noise in here.

You have to go to the meeting.

注意!当在给出命令或强烈建议时通常使用must;在说到规则规定的时候通常使用have to。

如果涉及过去的话,则使用had to/couldn't表示义务:

Everyone had to bring some food to the meeting.


You couldn't make a noise in the library.

KET考试,PET考试


That's it! 这就是情态动词的基本用法啦!一些情态动词如can/could, must, may在这此出镜率超高,小朋友们需要重点学习记忆~


最后的最后还要强调一点:

情态动词后接动词原形!

情态动词后接动词原形!

情态动词后接动词原形!



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