Module 4 Unit 7---英语祈使句.ppt

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1、Module4Unit7Poems祈使句Turnleft.Turnright.Sitdown.Standup.Openyourmouth.Closeyoureyes.Touchyourface.Putupyourhands.SimonsaysTurnleft!GuessingGameTurnright!GuessingGameGoupstairs!GuessingGameGuessingGameGodownstairs!GuessingGameBequiet,please!GuessingGameDon’tp

2、layfootball!GuessingGameDon’teat!GuessingGameNOparking!GuessingGameLetmehelpyou.Readandobserve(观察)Turnleft!Turnright!Pleasegoupstairs!Godownstairs!Don’tsmoke!Don’tplayfootball!Nosmoking!Pleasedon’teat!Bequiet,please?Letmehelpyou.祈使句：表示命令、请求、建议或劝告的句子。其主语you常

3、省略，谓语动词用原形，句末用感叹号或句号，祈使句一般只有肯定和否定两种形式。ReadandthinkOpenthedoor,Daisy.Don’topenthedoor,Daisy.Let’smakeamillionsmiles.Bequiet,girls.Don’tbelateagain!Readthefollowingsentencesandtelltheirmeanings.Whendoweusethesesentences?Weusethesesentencestogiveordersoradvice

4、.Openthedoor,Daisy.Don’topenthedoor,Daisy.Let’smakeamillionsmiles.Bequiet,girls.Don’tbelateagain!Readthesentencesagaintoseewhattheyhaveincommon.OpenDon’topenLet’sBeDon’tbeTheyarecalledimperatives.否定的祈使句1.Don't+动词原形+其他不要站起来。Don'tstandup.别害羞。Don'tbeshy.别让他们玩火

5、。Don'tletthemplaywithfire.2.Letsb.+not+动词原形+其他咱们不要在这大声吵闹。Let’snotmakesomuchnoisehere.不要让玛丽来这里。LetMarynotcomehere.3.在公共场合的提示语中，常用的结构“No＋名词/v-ing”，表示“禁止做某事”Nosmoking!Nophotos!Noparking!4.Never+动词原形+其他上学从来不要迟到。Neverbelateforschool.不要再那样做了。Neverdothatagain.祈使句的

6、回答祈使句通常表示将来要发生的动作，所以回答时，一般用will或won’t。—Don’tforgettodoyourhomework.—Iwon’t.—Remembertoturnoffthelights.—Iwill.祈使句的反意疑问句Let’s…,shallwe?Letsb.…,willyou?肯定/否定祈使句，willyou?Let’sgo,Lettheboygofirst,Don’tsmokehere,shallwe?willyou?willyou?口诀祈使句,无主语,只用动词就可以.表示请求或命令,

7、加上please表客气。如果变成否定句,Don’t开头是规律。Notalking!是警示,祈使句用法要牢记。Thankyou!