初中英语语法-祈使句.ppt

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1、Drawtheconclusion(得出结论)祈使句的结构如下：(Please)+dosth.(Please)+Don’tdosth.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。Let’sdoexercise.1.Jim,_____meahand.A.givesB.isgivingC.willgiveD.give2.____careful,Jenny!Thereisatreeinfrontofyou.A.AmB./C.BeD.Was3.L

2、et's____ourtime.A.notwasteB.nowastingC.nottowasteD.nowaste4.—____higher,andyouwillseethehouse.—OK.A.IfyoustandB.TostandC.WhenyoustandD.StandExercises:5.Please___doit.A.heB.lethimC.letheD.him6._____letanyoneopenthedoor.A.Don'tB.WillC.NotD.No7.—Don’tbelateagain.—Sorry,______.A.ImayB.ImustC.Iw

3、illD.Iwon’t8.—Callmewhenyougethome.—OK,____.A.ImustB.IcanC.IwillD.ImayExercises: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)Don’t+v.Don’tbelate.Don’tcomeout.2)Let’s+not+v.Let’snotspeakloudly.让我们不要大声说话。Givi

4、ngorders/instructions祈使句常见题型：1.Let’s+（not）动词原形…Eg.Let’sgohometogether./let’snottalkintheclass.2.let’s……,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，Don’t开头是规律。Notalking!是警示，祈使句用法要牢记。1--It’sherbirthdaynextweek.--Then___________heraboutthesurpri

5、sebirthday.2–HowcanIgettoPeople’sHospital?--_____alongthestreetand______leftatthelights.P49.ReadthedialoguesandcompletethemwithImperativesandthecorrectformoftheverbs.don’ttellturnGo3--Wehavetofinishtheworkintwohours.--Thenlet’s__________anytime.4--____________somuchnoise,please.--Ok.5--____

6、___out!There’sacarcoming.--Thanks.notwasteDon’tmakeLookLet’sdomoreexercises.1.—Callmewhenyougethome.—OK,____.A.ImustB.IcanC.IwillD.Imay2.Jim,_____meahand.A.givesB.isgivingC.giveD.willgive3.Letme____ondutytoday.A.amB./C.beD.do4.Let's____ourtime.A.notwasteB.nowastingC.nottowasteD.nowaste5.—_

7、___higher,andyouwillseethehouse.—OK.A.IfyoustandB.TostandC.WhenyoustandD.StandCCCADChoosethecorrectanswer.6._____forgettowritetomewhenyou_____gettherenextTuesday.A.Don't;willB.Please;willC.Please;/D.Don't;/7.Please___doit.A.heB.heletC.lethimD.him8.____co