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1、Imperative Sentences攻破攻破“祈使句祈使句”学校：乌鲁木齐市第三十八中学适合年级：七年级作者：王晓玲人教社新目标Go for it! 七年级下册Be quiet , guys!Open your books, please!Lets start our new lesson.Dont be noisy, guys!Dont eat in class, please!Dont let him sleep in class.祈使句Dont否定：否定：DonDont +t +动词原形开头动词原形开头DontDontOpenBeLet肯定：动词原形开头肯定：动词原形开头一般用来表示
2、请一般用来表示请求、命令、劝说、求、命令、劝说、号召、警告等。号召、警告等。V原型（行为动词）Let型Be quiet , guys!Open your books, please!Lets start our new lesson.类型肯定祈使句Be型1.请下次细心。 _扬帆起航Be careful next time, please.BeBe动词原形开头2.请去洗手。 _扬帆起航Go and wash your hands, please.行为动词原形开头Gowash3.让我们一起打篮球吧。 _扬帆起航Lets paly basketball together.Let动词原形开头let h
3、im sleep in class.类型否定祈使句V原型（行为动词）Let型Be型be noisy,guys.Donteat in class, please!DontDontDont +动词动词原形原形（2）Let +宾语+not + V原+其它Dont let him sleep in class.Let型否定祈使句（1）Dont +letLet him not sleep in class. 在公众场合的提示语中，否定祈使句常用No +_/_ ，表示禁止做某事。No swimming!注意n. v-ingNo photos!No parking!Dont talk!Dont eat or
4、 drink!Dont listen to music!Dont smoke!No talking!No music!No smoking!No food!Library Rules1.Please clean our classroom every day.（改为否定句）Please our classroom every day.dont clean2.Dont be friendly to others.（改为肯定句） to others.Be friendly勇往直前Dont+V原Be型1. Can you pass me this book?（改为祈使句）Please me this book.pass抵达彼岸2. Teachers often tell students not to be late for school.（改为祈使句） late for school, please.Dont beV原型（行为动词）Be型 Summary牢记BVLD还有两个N，正确使用祈使句！祈使句Be型V原型Let型Dont+V原No+n./V-ing肯定否定Dont+letLet+宾+notBVLDDNn祈使句，无主语，只用动词就可以。表示请求或命令，加上please更客气。要想变成否定句，dont开头是规律。牢记BVLD还有两个N，正确使用祈使句！打油诗THANKYOU!
