英语语法祈使句.ppt

祈使句,Imperativesentence,祈使句,祈使句,无主语,只用动词就可以.表示请求或命令,加上please表客气。如果变成否定句，Dont开头是规律。Notalking!是警示，祈使句用法要牢记。,祈使句的结构如下：(Please)+dosth.(Please)+Dontdosth.,1.肯定：,2.否定：,3.第一人称的祈使句Lets+（not）动词原形Eg.Letsgohometogether./letsnottalkintheclass.1.lets,shallwe?2.Letsb.,willyou?3.祈使句，willyou?,祈使句:是表示请求、命令、建议等句子通常说话的对象是第二人称you,you常被省略。,反意疑问句,1.动词+2.Please+动词3.人名+动词,Bequiet.Pleasehaveaseat.David,payattention.,5.do可以放在动词前，为加强语气用。如：Docomein,please!Dolistentome,please!Doopenthedoor,please!,4.第三人称的祈使句：Letsb(宾格/人名)+动词原形Letherhaveatry.Dontletherhaveatry.,Turnleft!,GuessingGame,Turnright!,GuessingGame,Walkonthezebracrossing!,GuessingGame,GuessingGame,Dontsmoke!Nosmoking!,GuessingGame,Dontplayfootball!,GuessingGame,Dontparkyourcar!,GuessingGame,Donteat!,GuessingGame,Dontpicktheflowers!,Goupstairs!,GuessingGame,GuessingGame,Godownstairs!,Letsdoexercise.,1.Jim,_meahand.A.givesB.isgivingC.willgiveD.give2._careful,Jenny!Thereisatreeinfrontofyou.A.AmB./C.BeD.Was3.Lets_ourtime.A.notwasteB.nowastingC.nottowasteD.nowaste4._higher,andyouwillseethehouse.OK.A.IfyoustandB.TostandC.WhenyoustandD.Stand,Exercises:,5.Please_doit.A.heB.lethimC.letheD.him6._letanyoneopenthedoor.A.DontB.WillC.NotD.No7.Dontbelateagain.Sorry,_.A.ImayB.ImustC.IwillD.Iwont8.Callmewhenyougethome.OK,_.A.ImustB.IcanC.IwillD.Imay,Exercises:,1.Callmewhenyougethome.OK,_.A.ImustB.IcanC.IwillD.Imay2.Jim,_meahand.A.givesB.isgivingC.giveD.willgive3.Letme_ondutytoday.A.amB./C.beD.do4.Lets_ourtime.A.notwasteB.nowastingC.nottowasteD.nowaste5._higher,andyouwillseethehouse.OK.A.IfyoustandB.TostandC.WhenyoustandD.Stand,C,C,C,A,D,Choosethecorrectanswer.,6._forgettowritetomewhenyou_gettherenextTuesday.A.Dont;willB.Please;willC.Please;/D.Dont;/7.Please_doit.A.heB.heletC.lethimD.him8._comein,please.A.WillB.DoC.WontD.Did9._careful!A.BedoB.DobeC.NotD.Notdo10._letanyoneopenthedoor.A.DontB.WillC.NotD.No,D,C,B,B,A,11.LetJohnfinishtheworkallbyhimself,_?A.shallweB.willyouC.doyouD.dowe12.-Letsgohome,shallwe?-_.A.Thatsright.B.ThatsallC.ThatsallrightD.Allright13.Pleaseturnonthelight,_?A.areyouB.shallweC.shallID.willyou14.Donttellhimthefactnow,_?A.shallweB.shallyouC.willyouD.doyou15.Letthechildrennotmakesomuchnoise,_?A.shallweB.willyouC.shallID.doyou,B,D,D,C,B,16._6and4,andyouwillgetten.A.AddedB.AddingC.ToaddD.Add17._lateagain,orIllreportittoyourfather.A.DontbeB.YouarentC.CantbeD.Arent18.Dontinterruptherwhensheisspeaking,_?A.wontyouB.willyouC.shallweD.shantwe19._getoffthelorryuntilitstops.A.DoB.CantC./D.Dont20.Letsnotbeginoursupperuntilfathercomesback,_?A.willyouB.wontyouC.shallweD.shantwe,D,A,B,D,C,ontheroad,inclass,inthediningroom,inclass,1.Bequiet.2.Takenotes.3.Listentotheteachercarefully.4.Donteatinclass.,onther