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1、【KeyPoints】祈使句一、祈使句的概念:1.表达命令、请求、劝告等的句子。2.祈使句省略了主语:第二人称。3.谓语动词用原形。二、肯定形式1.Do型2.Be型三、否定形式一般情况句首加Don’tdo型:Don’tdo…be型:Don’tbe…特殊情况1.letsbdosth句型sb.为第一人称时,在sb.后加notsb.为第三人称时,在句首加don’t2.No+名词/动名词“禁止……”3.Never+动词原形“绝不……”四、祈使句中一些需要注意的情况1.在句首加please或句末加please(前有逗号),表委婉语
2、气Pleasesitdown!Sitdown,please!2.意思明显时,谓语动词可省去Thisway,please.请这边走。3.为明确对象,可加上称呼,但要用逗号隔开Jim,comehere.4.为加强语气,可以在肯定句前加doDoworkhard!一定要努力学习!5.【精讲精练】一.翻译下列句子。1.开门!2.现在起床并整理你的床铺。3.对他严格点!4.把电视声音关小点。5.慢点儿!6.吃慢点儿!7.早一点儿!8.让我们走吧!9.不要开门。10.不要把电视声音关小。11.不要对他严格!12.不要让她走!13.我们
3、别去公园了!14.禁止讲话!15.禁止吐痰!16.不要迟到!17.绝不要迟到!【综合练习】一、用括号内所给动词的适当形式填空。1.(say)itagain.2.thewindow,please.3.(not,speak)withyourmouthfulloffoodand(be)polite.4.(not,let)thebabycry.5.Let’s(not,say)anythingaboutit.6.No!(fish)7.Never(cheat)others.二、单选。1.Pleasemesomemoney,willy
4、ou?A.lendB.lendingC.tolendD.belend2.thetruth,orIwon’tletyouleavehere.A.TellB.TotellC.TellingD.TellsB.1.outyourlove.Theworldwillbecomeanicerplacetolivein.A.SpokeB.TospeakC.SpeakD.Speaking2.Heisnothonest.believehim.A.NotB.Don’tC.TonotD.Notto3.inbed.It’sbadforyourey
5、es.A.NottoreadB.Don’treadC.Don’ttoreadD.Notread4.yourchild.We’lllookafterhim.A.NottoworryaboutB.Don’tworryaboutC.NotworryforD.Don’tworrywith5.worriedaboutme,Mom.I’vegrownup.A.Don’tB.Don’tbeC.NotD.Notbe6.tellalie.A.HardlyB.NotC.NoD.Never7.Sindy,tobehereat8o’clock.
6、A.issureB.issurethatC.willbesureD.besure8.Lily,thebikethere.A.noputB.doesn’tputC.don’tputD.notput9.Jack,,oryouwillgetheavier.A.doesn’tplaysportsanymoreB.doesn’teatsomuchmeatC.don’tplaysportsanymoreD.don’teatsomuchmeat10.whenyoucrosstheroad.A.DocarefulB.CarefulC.D
7、obecarefulD.Tobecareful11.—Themathexamiscoming.I’mverynervous.—Just.I’msureyou’lldowellinit.A.makeprogressB.payattentionC.takeiteasyD.lookout12.—MayIspeaktoMr.Smith?—,please.I’llseeifheisin.A.LookoutB.HoldonC.GetupD.Comeon1.Whichisatrafficsign?A.KEEPQUIETB.DONOTD
8、ISTURBC.TURNLEFTD.SOLDOUT三、完成句子。1.Willyoupleasereaditagainmoreslowly?(改为祈使句)againmoreslowly,please.2.Theteachersoftentellthestudentsnottobecareless.(改为祈使句)care