祈使句學(xué)案練習(xí) 人教版英語(yǔ)八年級(jí)上冊(cè)

祈使句【概念引入】

概念：用來(lái)表示請(qǐng)求、命令、叮囑、建議等的句子叫祈使句。特點(diǎn)：形式上無(wú)主語(yǔ)，動(dòng)詞原形開(kāi)頭?！酒硎咕涞某Ｒ?jiàn)形式】祈使句的肯定形式Do型：__________________________________Standup!Openthedoor.回到你的座位！________________________________請(qǐng)進(jìn)！________________________________________(為表示禮貌，祈使句常在句前或句末加please.句末用please，前面通常加逗號(hào)）Be型:_________________________________Bequiet!Beagoodstudent!小心！__________________________________要做一個(gè)好孩子！__________________________Let型：______________________________Letherin!Let’sgohome!讓我們?nèi)ス珗@吧！______________________________讓我來(lái)幫你。__________________________________祈使句的否定形式：Don’t型否定：________________________________Don’tbelievehim!Don’tbecareless!別遲到！______________________________不要浪費(fèi)時(shí)間！_____________________________Let型否定：_______________________________Don’t+let+賓語(yǔ)+動(dòng)詞原形+其他成分Let+賓語(yǔ)+not+動(dòng)詞原形+其他成分別讓他走。___________________________________No型：_________________________________（日常生活中常見(jiàn)的警示語(yǔ)）Nofishing！Noparking！禁止拍照！____________________________________________禁止吸煙！____________________________________________Never型：___________________________________________永不放棄！___________________________________________【祈使句的回答】祈使句的動(dòng)作通常是表示將來(lái)發(fā)生的動(dòng)作，所以回答祈使句時(shí)，一般用will或won’t.以let開(kāi)頭的句式的肯定回答多用___________________來(lái)回答，否定回答用____________________________________★【祈使句的反意疑問(wèn)句】肯定祈使句的反意疑問(wèn)句，反問(wèn)部分用_______________________.Pleaseopenthedoor,____________________?否定祈使句的反意疑問(wèn)句，反問(wèn)部分只用_____________________.Don’tbelateagain,_____________________?以let’s開(kāi)頭的祈使句反意疑問(wèn)部分用______________________.Let’sturnonTV,______________________________?★注意：只有以Let's開(kāi)頭的祈使句的反意疑問(wèn)句的反問(wèn)部分才有shallwe，而Letus開(kāi)頭的祈使句的反意疑問(wèn)句的反問(wèn)部分應(yīng)為won'tyou【祈使句與簡(jiǎn)單句、復(fù)合句之間的轉(zhuǎn)換】1.＂Let’s+動(dòng)詞原形+其他＂可轉(zhuǎn)換為＂Shallwe+動(dòng)詞原形+其他?＂。Let’sgofishingthisafternoon.=Shallwegofishingthisafternoon?2.＂祈使句+and/or+簡(jiǎn)單句＂可轉(zhuǎn)換為含if引導(dǎo)的條件狀語(yǔ)從句的復(fù)合句。Useyourhead,andyou’llfindaway.=Ifyouuseyourhead,you’llfindaway.Hurryup,orwe’llbelate.=Ifwedon’thurryup,we’llbelate.結(jié)構(gòu)Do型肯定：否定：Be型肯定：否定：Let型肯定：否定：其他否定：即學(xué)即練1.Please____,they’rehavingameeting.A.notbesonoisyB.bequiteC.mustn’ttalkD.nospeaking2.____tomeetmeatthestation.I’llbewaitingthere.A.NottoforgetB.NotforgetC.ForgetnotD.Don’tforget3.It’safineday.Let’sgofishing,____?A.won’tweB.willyouC.don’tweD.shallwe4.Don’tsmokeinthemeeting-room,____?A.doyouB.willyouC.canyouD.couldyo5.______mego.Itisveryimportantforme.A.DoletB.LetdoC.DoingletD.Todolet6.Heisnothonest.______believehim.A.NotB.Don’tC.TonotD.Notto7._____upearlytomorrow,oryoucan’tcatchthetrain.A.GettingB.GetC.TogetD.Got8._____inthestreet.It’sdangerous.A.NotplayB.NottoplayC.Don’tplayD.Don’ttoplay9._______lateagain,Bill!A.Don'ttobeB.Don'tbeC.NotbeD.Benot10.Pleasehelpmecarryit,______?A.willIB.willyouC.shallID.shallwe11.Don'tmakesomuchnoise,______?A.willyouB.won'tyouC.shallweD.doyou12.________methetruth,orI'llbeangry.A.TellingB.TotellC.ToldD.Tell二.用括號(hào)內(nèi)所給動(dòng)詞的適當(dāng)形式填空。1.It’sanimportantmeeting._______(not,be)late.2.________(not,make)anynoise!Yourmotherissleeping.3.________(not,speak)withyourmouthfulloffoodand________(be)polite.4.________(not,talk)and________(read)aloud.5.________(not,leave)yourhomeworkfortomorrow,Larry.6.________(look)out!Acariscoming.7._______(give)ustenyearsandjustseewhatourcountrywillbelike.8._______(not,let)thebabycry.9.Wearmoreclothesoryou_______(catch)acold.Let’s_______(not,say)anythingaboutit.句型轉(zhuǎn)換11.Willyoupleasereaditagainmoreslowly?（改為祈使句）__________againmoreslowly,please.12.Ifyoudon'tlistentome,I'llgo.（改為同義句）__________me,orI’llgo.13.Let'swatchthesportsgames.（改為反意疑問(wèn)句）Let'swatchthesportsgames,__________?14.Theteachersoftentellthestudentsnottobecareless.（改為祈使句）__________careless,please.15.PleasesitnexttoNancy.（改為否定句）__________nexttoNancy.16.Don'tforgettoturnof