小学英语 新概念英语第一册语法总结：祈使句素材

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新概念英语第一册语法总结：祈使句

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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