祈使句的用法讲解1、概述祈使句(imperative sentence)表命令、警告、提醒、建议、请求、叮嘱、号召等，谓语动词用原形。主语you通常省略，句末用叹号或句号。Knock at the door before entering, please.进来时请敲门！（建议）Try some of this juice-perhaps youll take it.尝点这种果汁，也许你会要。（建议）Look out! There is a train coming.注意！火车来了！（提醒）Wear strong shoes as we shall do a lot of walking. 请穿结实的鞋子，因为我们要走许多的路。（叮嘱）At the beginning, collect as many stamps as you can. 开始时，尽可能多多地收集邮票。（建议）Leave her where she is ! 让她留在原地！（命令）Put your coat at once. We must hurry.立刻穿上衣服。我们必须快点。（命令）
