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【导语】英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。英语网为大家整理了小学英语语法大全，希望对同学们的英语语法学习有所帮助。更多内容尽在英语网。 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：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? | 
