祈使句是英語(yǔ)的基本句型之一，表達(dá)說(shuō)話人對(duì)對(duì)方的叮囑、勸告、請(qǐng)求或命令等，往往有表示請(qǐng)求、命令、希望、禁止、勸告等意思。祈使句一般沒(méi)有主語(yǔ)，實(shí)際上是省略了主語(yǔ)“You”。句末用感嘆號(hào)或句號(hào)，用降調(diào)朗讀。Grammar:TheImperatives(祈使句）1.祈使句是英語(yǔ)的基本句型之一，表達(dá)說(shuō)話人對(duì)對(duì)方的叮囑、勸告、請(qǐng)祈使句肯定式：Comehere,please.Bepatient,please.Let’sgobybus.否定式：Don’ttouchit.Don’tbelazy.Neverplaywithfire!答語(yǔ)：Yes,Iwill./No,Iwon’t.反意問(wèn)句：willyou/shallwe句式：祈使句or/and+主+will(won’t)/can(can’t)...2.祈使句肯定式：Comehere,please.2.祈使句的肯定式祈使句的肯定句式有三種形式，即1).Do型(以行為動(dòng)詞原形開(kāi)頭)

例如:Sitdown坐下!Standup起立！2).Be型(以be開(kāi)頭),

例如:Bequiet安靜！3).Let型（以let開(kāi)頭）例如:Letmehelpyou.讓我來(lái)幫助你。3.祈使句的肯定式祈使句的肯定句式有三種形式，即3.祈使句的否定式祈使句的否定結(jié)構(gòu)是以“Don't＋動(dòng)詞原形”開(kāi)頭Don'tgothere,please．請(qǐng)別去那兒。Don'tbelate．不要遲到。Don'tlethimin．不要讓他進(jìn)來(lái)。Don'tletthewaterrunintotheroom.不要讓水流進(jìn)屋里。4.祈使句的否定式祈使句的否定結(jié)構(gòu)是以“Don't＋動(dòng)詞原形”開(kāi)注意：Let's型祈使句，其否定式也可用Let’snot…如：Let'snothaverest．咱們別休息了。Let'snotsithere!我們不要坐在這兒！5.注意：5.祈使句的答語(yǔ)Tom:Remembertoturnoffthelight!John:Iwill.

Tom:Don’tforgetyourhomework!John:Iwon’t.Tom：Don’tcometoschoollateagain!John:Sorry,Iwon’t.6.祈使句的答語(yǔ)Tom:Remembertoturnof祈使句的反意疑問(wèn)句反意問(wèn)句Openthedoor,willyou?Let’sgobybus,shallwe?Letusleaveatonce,willyou?7.祈使句的反意疑問(wèn)句反意問(wèn)句7.一個(gè)重要句型祈使句，and/then主can/willdo…祈使句，or主語(yǔ)cannot/won’tdo…Examples:1)Thinkhard,andyouwillcomeupwithanidea.2)Thinkhard,oryouwillhavenowayout.

轉(zhuǎn)換1)Ifyouthinkhard,youwillcomeupwithanidea.2)Ifyoudon’tthinkhard,youwillhavenowayout.8.一個(gè)重要句型祈使句，and/then主can/will祈使句轉(zhuǎn)換為間接引語(yǔ)1）“Comehere,Tom!”Johnsaid.JohntoldTomtogothere.2)“Don’tpickflowers,”hesaidtous.Hetoldusnottopickflowers.9.祈使句轉(zhuǎn)換為間接引語(yǔ)1）“Comehere,Tom!”隨堂練習(xí)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.10.隨堂練習(xí)1.Hetoldme_____forsch3.Stoptalkingand_____tome.Ihavesomenewsforyou.A.listeningB.listenC.tolistenD.listened4._______totheEnglishprogrammoreoften,andyouwillbeabletogetit.A.IfyoulistenB.ListeningC.whenlistenD.Listen11.3.Stoptalkingand_____tom5.______Englishwithyouisalotoffun!A.LearnB.LearningC.IfIlearnD.Whenlearning6.Letusstayherefortwodays,______?A.willyouB.shallweC.don’tyouD.aren’twe12.5.______Englishwithyouis1.Tomdidhishomework_________.Hemadelotsofmistakes.(care)2.Tomfelloffhisbikeandhurthimself________(嚴(yán)重地)3.Mr.Licookswell.Heisagood_____(cook)4.What____(別的）wouldyoulike?5.Theaccident_________(happen)yesterday.6.Wetryourbesttostopaccidentsfrom__________(發(fā)生）atschool.carelesslyseriouslycookelsehappenedhappeningFillintheblankswiththeproperwords13.1.Tomdidhishomework______7.SantaClaushasnine________(馴鹿）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________(關(guān)掉)thelightbeforeyouleave.reindeertwelfthfallingknivesheightturnoffninth14.7.SantaClaushasnine______請(qǐng)根據(jù)括號(hào)內(nèi)的要求,改寫(xiě)下列句子,每空一詞(含縮寫(xiě))。1.Getupearlier,oryouwillmissthe earlybus.(改為同義句) __you_____getupearlier,youwill misstheearlybus.Ifdon't15.請(qǐng)根據(jù)括號(hào)內(nèi)的要求,改寫(xiě)下列句子,每空一詞(含縮寫(xiě))。I2.Beforehetoldmeabouttheaccident,Iknewnothingaboutit.(同上)I______know________abouttheaccident_____hetoldme.3.WhileIwastryingtosleep,therewasaknockatthedoor.(同上)Iwastryingtosleep_____someone_______atthedoor.didn'tanythinguntilwhenknocked16.2.Beforehetoldmeaboutthe4.Ihaven'tdecidedwhenIshallleave.(改為簡(jiǎn)單句)Ihav