Tina1第七讲祈使句【观察一】请仔细观察下列例句,你能补全结论部分所缺的内容吗?1.Tidyupyourroom,Sam.2.Openthedoor,Anna.3.Becarefulwhencrossingtheroad.【结论一】祈使句是表示向对方发出_____、提出_____或要求,要对方做某事或不做某事,带有祈使语气的句子。主语为第二人称,但是常常被_____。【观察二】请仔细观察下列例句。(A)(B)1.Walkquickly,Tom!1.Beagoodboy,Tony.2.Comein,please!2.Bepolitewhenyouarethere.3.Openyourbooks!3.Becareful!(C)(D)1.I’malittletired.Let’shavearest.1.Don’tstandup.2.Let’sgoshoppingtogether.2.Don’tbelateagain,Jack.3.Don’tlethimgo!=Lethimnotgo!【结论二】祈使句有肯定和否定两种形式。肯定式有三种常用句型:1.________(+宾语)+其他成分;2.______+表语(名词或_______)+其他成分;3._______+_________+其他成分;否定式有两种常用句型:1.______+________(+宾语)+其他成分2._____+______+表语(名词或______)+其他成分。【观察三】1.Pleaseturnoffyourphone.2.Comein,please.【结论三】在祈使句中,为了缓和语气,使表达更委婉、有礼貌,常常在_____或____加上______。要记住,在英语口语中,当祈使句用来表达命令、要求时,用降调;当祈使句用来表达鼓励、请求,或者想使语气委婉一些,让人容易接受时,通常用升调。【注意】:在公共场合的提示语中,否定祈使句常用“No+名词/V-ing形式”结构,表示“禁止做某事”。例如:NOPHOTOS!禁止拍照!Noparking!Tina2【课堂练习】一、选择最佳答案填空。()1.—Please____toreturnmybookbyFriday.I’lluseitonSaturday.---Noproblem.I’llfinishreadingitonThursday.A.don’tforgetB.nottoforgetC.notforgetD.forgetnotto()2._____lateagain,Mike!A.Don’ttobeB.Don’tbeC.NotbeD.Benot()3.Kelly,_____yourhomeworkheretomorrow.A.bringB.BringsC.tobringD.bringing()4.Please____,they’rehavingameeting.A.notbesonoisyB.bequiteC.mustn’ttalkD.nospeaking()5.____tomeetmeatthestation.I’llbewaitingthere.A.NottoforgetB.NotforgetC.ForgetnotD.Don’tforget()6.Ifyouaretired,______arest.A.haveB.havingC.tohaveD.had()7.______mego.Itisveryimportantforme.A.DoletB.LetdoC.DoingletD.Todolet()8.Heisnothonest.______believehim.A.NotB.Don’tC.TonotD.Notto()9._____upearlytomorrow,oryoucan’tcatchthetrain.A.GettingB.GetC.TogetD.Got()10._____inthestreet.It’sdangerous.A.NotplayB.NottoplayC.Don’tplayD.Don’ttoplay()11.Please______mesomemoney,willyou?A.lendB.lendingC.borrowD.borrowing()12.Thefilmisabouttobegin.Please______seated.A.beB.areC.isD.being()13.____downtheradio.Thebaby’sasleepinthenextroom.A.TurningB.ToturnC.TurnedD.Turn()14.Lucy,____thedoororsomeonewillcomein.A.closeB.closesC.notcloseD.isclosing()15.____andplayfootballinthestreetafterlunch.A.Let’snottogoB.Let’snotgoC.Let’sdon’tgoD.Notlet’sgo二、用括号内所给动词的适当形式填空。1.It’sanimportantmeeting.__________(not,be)late.2____________(not,make)anynoise!Yourmotherissleeping.3.____________(not,speak)withyourmouthfulloffoodand________(be)polite.Tina34.____________(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.10.Let’s____________(not,say)anythingaboutit.三、根据中文意思,翻译下列句子。1.请安静。_________________________2.别忘了给花浇水。_________________________3.请坐。________________________________4.我们坐火车去吧。_________________________5.不要再那样做了!__________________________四、语法填空(一)Animalsontheeartharebeautiful.1________(thousand)ofkindsofanimalsare2________(live)ontheearth.Theyareontheground,3________thesky,inthewater,orundertheground,everywheretheylive.Buttheenvironmental4_________(pollute)makessomeanimalsdead.Peoplekilledtheanimals.Ifhumanbeingslosetheanimalsin5________(they)life,what'sgoingtohappen?Theearthwillchange.Wecannotseethedogsrun6_________thegrass.Wecannotseethe7______(fish)swiminthewater.8________willourlifebelikethen?So,ifwewant9________(protect)animals,wemustprotect10_______environment.Let'sdoit.(二)Mygrandparents(1)__________(move)tothecountrysidesixyearsago.They(2)__________(live)thereforsixyears.Theylikethelifetherebecausethereisfreshair.Theylovedtravellingwhenthey(3)__________(be)young.Sofar,they(4)__________(visit)manycountries,suchasJapan,France,AmericaandThailand.Inthepast,myparentsandIoften(5)__________(go)backtothecountrysidetovisitthem.Butwe(6)____(notsee)themsincelastyearbecausemyparents(7)__________(busy)withtheirworkandI(8)__________(work)hardonmystudies.Mygrandmotheronce(9)__________(call)us.Theyhavemissedussomuch.Infact,wehavealsomissedthem.Sowe(10)__________(decide)togobackthisSpringFestivalsincewereceivedthatcall.I’msurewe’llhaveahappynewyear.课后作业一、单项选择1).Jim,_____meahand.A.givesB.isgivingC.willgiveD.give2).____careful,Jenny!Thereisatreeinfrontofyou.A.AmB./C.BeD.Was3).Please___doit.Tina4A.heB.lethimC.letheD.him4).Let's____ourtime.A.notwasteB.nowastingC.nottowasteD.nowaste5)._____letanyoneopenthedoor.A.Don'tB.WillC.NotD.No6).____tomeetmeatthestation.I’llbewaitingthere.A.NottoforgetB.NotforgetC.ForgetnotD.Don’tforget7).Asignwiththewords“____”isoftenfoundinabus.A.NotparkingB.NotsmokingC.NoparkingD.Nosmoking二、将下列句子变成祈使句7.Wouldyouliketowaitamoment?amoment.8.You’dbetternotsmokehere.here.9.Youmustbecarefulwithyourhandwriting.withyourhandwriting.10.Willyoupleasenotplaywithmypencil?withmypencil,.三、完形填空。JohnlefttheUnitedStatesin1969toworkinAfrica.Africawashot.WhenJohn1totheUnitedStatesin1979,hesaidtohimself,“It’smuch2herethanitwasbeforeIleft.I’mgoingto3anelectricheater(电热器).Besides,everythingismuchmore4.”Johnwenttoastorethenextdaytobuyanelectricheater.Thesalesman5himthreeorfour6kindsandthensaid,“Andt