初中英语语法-祈使句.ppt

,Drawtheconclusion(得出结论),祈使句的结构如下：(Please)+dosth.(Please)+Dontdosth.,肯定：,否定：,祈使句(ImperativeSentence）表命令、请求、劝告、警告等.祈使句因对象（即主语）是第二人称，所以通常被省略。谓语动词用原形，句末则使用感叹号或句号,读降调。,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:,祈使句的句型：,1、肯定的祈使句句型:1)动词原形（省略主语）Comein!Bequiet!Beagoodboy!2)有时为了加强语气，可以在动词之前加do表示“务必，一定”。Docomeontime!Dolookout!,祈使句的句型：,2、祈使句的否定句型：1)Dont+v.Dontbelate.Dontcomeout.2)Lets+not+v.Letsnotspeakloudly.让我们不要大声说话。,Givingorders/instructions,祈使句常见题型：1.Lets+（not）动词原形Eg.Letsgohometogether./letsnottalkintheclass.2.lets,shallwe?3.Letsb.,willyou?4.祈使句，willyou?,反意疑问句,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。,1-Itsherbirthdaynextweek.-Then_heraboutthesurprisebirthday.2HowcanIgettoPeoplesHospital?-_alongthestreetand_leftatthelights.,P49.ReadthedialoguesandcompletethemwithImperativesandthecorrectformoftheverbs.,donttell,turn,Go,3-Wehavetofinishtheworkintwohours.-Thenlets_anytime.4-_somuchnoise,please.-Ok.5-_out!Theresacarcoming.-Thanks.,notwaste,Dontmake,Look,Letsdomoreexercises.,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,祈使句结构如下：(Please)+dosth.(Please)+D