新概念英语第一册语法总结:祈使句

新概念英语第一册
新概念英语第一册

祈使句表示请求、命令、建议、邀请等,谓语动词一律用原型,句子中通常不用主语,句末用惊叹好或者句号,用降调。

★肯定句:动词原型

Come here, please.

Go downstairs, please.

Stand up.

Sit down.

Be quiet.

Be careful.

祈使句中如果有唤语,一定要用逗号隔开,放在句首或者句尾:

Come in, Amy.

Sit down here, Tom.

Mary, give me a book please.

★否定:Don’t+动词原型

Don’t come here.

Don’t sit down.

Don’t stand up.

Don’t give me it.

let sb. do 让某人做

Let me pass.

Let us have a rest.

Let’s have a rest.

反意疑问:

Let’s have a walk along the river, shall we?

Let us go out for a drink, will you?

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