英语语法祈使句

★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：Dont+动词原型

Dont come here.

Dont sit down.

Dont stand up.

Dont give me it.

let sb. do 让某人做

Let me pass.

Let us have a rest.

Lets have a rest.

反意疑问：

Lets have a walk along the river, shall we?

Let us go out for a drink, will you?