祈使句课件

祈使句是英语的基本句型之一，表达说话人对对方的叮嘱、劝告、请求或命令等，往往有表示请求、命令、希望、禁止、劝告等意思。祈使句一般没有主语，实际上是省略了主语“You”。句末用感叹号或句号，用降调朗读。Grammar:TheImperatives(祈使句）祈使句肯定式：Comehere,please.Bepatient,please.Let’sgobybus.否定式：Don’ttouchit.Don’tbelazy.Neverplaywithfire!答语：Yes,Iwill./No,Iwon’t.反意问句：willyou/shallwe句式：祈使句or/and+主+will(won’t)/can(can’t)...祈使句的肯定式祈使句的肯定句式有三种形式，即1).Do型(以行为动词原形开头)例如:Sitdown坐下!Standup起立！2).Be型(以be开头),例如:Bequiet安静！3).Let型（以let开头）例如:Letmehelpyou.让我来帮助你。祈使句的否定式祈使句的否定结构是以“Don't＋动词原形”开头Don'tgothere,please．请别去那儿。Don'tbelate．不要迟到。Don'tlethimin．不要让他进来。Don'tletthewaterrunintotheroom.不要让水流进屋里。注意：Let's型祈使句，其否定式也可用Let’snot…如：Let'snothaverest．咱们别休息了。Let'snotsithere!我们不要坐在这儿！祈使句的答语Tom:Remembertoturnoffthelight!John:Iwill.Tom:Don’tforgetyourhomework!John:Iwon’t.Tom：Don’tcometoschoollateagain!John:Sorry,Iwon’t.祈使句的反意疑问句反意问句Openthedoor,willyou?Let’sgobybus,shallwe?Letusleaveatonce,willyou?一个重要句型祈使句，and/then主can/willdo…祈使句，or主语cannot/won’tdo…Examples:1)Thinkhard,andyouwillcomeupwithanidea.2)Thinkhard,oryouwillhavenowayout.转换1)Ifyouthinkhard,youwillcomeupwithanidea.2)Ifyoudon’tthinkhard,youwillhavenowayout.祈使句转换为间接引语1）“Comehere,Tom!”Johnsaid.JohntoldTomtogothere.2)“Don’tpickflowers,”hesaidtous.Hetoldusnottopickflowers.随堂练习1.Hetoldme_____forschool.A.don’tbelateB.don’tlateC.nottobelateD.isnotlate2.—Pleasedon’tmakeanoise!—_____.Iwillbeasquietasamouse.A.Yes,Iwon’t.B.No,Iwon’t.C.No,Iwill.D.Yes,Iwill.3.Stoptalkingand_____tome.Ihavesomenewsforyou.A.listeningB.listenC.tolistenD.listened4._______totheEnglishprogrammoreoften,andyouwillbeabletogetit.A.IfyoulistenB.ListeningC.whenlistenD.Listen5.______Englishwithyouisalotoffun!A.LearnB.LearningC.IfIlearnD.Whenlearning6.Letusstayherefortwodays,______?A.willyouB.shallweC.don’tyouD.aren’twe1.Tomdidhishomework_________.Hemadelotsofmistakes.(care)2.Tomfelloffhisbikeandhurthimself________(严重地)3.Mr.Licookswell.Heisagood_____(cook)4.What____(别的）wouldyoulike?5.Theaccident_________(happen)yesterday.6.Wetryourbesttostopaccidentsfrom__________(发生）atschool.carelesslyseriouslycookelsehappenedhappeningFillintheblankswiththeproperwords7.SantaClaushasnine________(驯鹿）topullhissleigh.The_____(九)iscalledRudolph,ared-nosedreindeer.8.Hedidn’tsucceeduntilhetriedthe_______(十二)time.9.Peopleoftenhurtthemselvesby______(fall)offchairs.10.Becarefulwith______(刀子）.11.Don’tjumpfromtoohigha______(高度).12.Please________(关掉)thelightbeforeyouleave.reindeertwelfthfallingknivesheightturnoffninth请根据括号内的要求,改写下列句子,每空一词(含缩写)。1.Getupearlier,oryouwillmisstheearlybus.(改为同义句)__you_____getupearlier,youwillmisstheearlybus.Ifdon't2.Beforehetoldmeabouttheaccident,Iknewnothingaboutit.(同上)I______know________abouttheaccident_____hetoldme.3.WhileIwastryingtosleep,therewasaknockatthedoor.(同上)Iwastryingtosleep_____someone_______atthedoor.didn'tanythinguntilwhenknocked4.Ihaven'tdecidedwhenIshallleave.(改为简单句)Ihaven'tdecided_______leave.5.Thejobmightmatchyourskills.(改为否定句)Thejob________matchyourskills.mightnotwhento