英语语法祈使句知识点：学习祈使句的几个基本要点
<p> 【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。</p><p> 一、祈使句的概念和一般形式</p><p> 表示请求、命令等的句子叫祈使句。它的主语是听话人(<span word="you">you</span>) ，一般不需要说出来。通常以动词原形开头。祈使句末尾用惊叹号或句号，句子用降调。如：</p><p> <span word="Open">Open</span> <span word="the">the</span> <span word="door">door</span>, <span word="please">please</span>. 请把门打开。</p><p> <span word="Be">Be</span> <span word="quiet">quiet</span>, <span word="boys">boys</span>. 孩子们，安静点。</p><p> <span word="Hurry">Hurry</span> <span word="up">up</span>!快点跟上。</p><p> 但有时为了指明向谁请求或发出命袋子令，也可说出主语来。如：</p><p> <span word="Alice">Alice</span>, <span word="you">you</span> <span word="close">close</span> <span word="your">your</span> <span word="book">book</span>. 艾丽期，请你把书关上。</p><p> 二、祈使句的否定式</p><p> 祈使句的否定式是在动词原形前加<span word="dont">dont</span>。如：</p><p> <span word="Dont">Dont</span> <span word="be">be</span> <span word="late">late</span> <span word="again">again</span>. 不要再迟到了(<span word="www">www</span>.<span word="yygrammar">yygrammar</span>.<span word="com">com</span>)。</p><p> <span word="Please">Please</span> <span word="dont">dont</span> <span word="forget">forget</span> <span word="to">to</span> <span word="take">take</span> <span word="your">your</span> <span word="medicine">medicine</span>. 请不要忘记吃药。</p><p> <span word="Dont">Dont</span> <span word="lets">lets</span> <span word="quarrel">quarrel</span> <span word="about">about</span> <span word="it">it</span>. (=<span word="Lets">Lets</span> <span word="not">not</span> <span word="quarrel">quarrel</span> <span word="about">about</span> <span word="it">it</span>. ) 我们不要为此事争吵了。</p><p> 三、祈使句的强调式</p><p> <span word="Do">Do</span> <span word="be">be</span> <span word="on">on</span> <span word="time">time</span>. 务必准时。</p><p> <span word="Do">Do</span> <span word="come">come</span> <span word="early">early</span>. 务必早点来。</p>
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