初中八年級英語課件Reading Do it yourself 市賽一等獎(jiǎng)

Reading2:Doityourself情態(tài)動(dòng)詞本身有一定的詞義，表示說話人對某一動(dòng)作的看法和態(tài)度，但不能單獨(dú)作謂語，必須和另一個(gè)動(dòng)詞原形一起構(gòu)成謂語.即所有的情態(tài)動(dòng)詞后面都接動(dòng)詞原形.

Eg:Icanswim.（否定句）Ican’tswim.Hehastogonow.（否定句）Hedoesn’thavetogonow.常見的情態(tài)動(dòng)詞有:

can,could,may,might,must,haveto,should,hadbetter,need等.一、情態(tài)動(dòng)詞的情態(tài)意義表示法考點(diǎn)一：1.can表示現(xiàn)在或?qū)淼哪芰Γ鉃椤澳?；?huì)”。2.can表示請求、允許，意為“可以”。如：MarrycanspeakFrenchfluently.Canyouhelpmeliftthisbox?考點(diǎn)二：1.could表示過去的能力；2.could表示允許時(shí)，語氣比can更加委婉和客氣。如：CouldIhaveadrinkofwater,please?考點(diǎn)三：1.may表示請求、允許，意為“可以”。如：MayIcomeinandwait?Thankyou.Youmaygonow.考點(diǎn)四：1.must表示義務(wù)、命令或必要，意為“必須”，強(qiáng)調(diào)主觀看法。2.mustn’t表示“不允許；禁止”之意。如：Allpassengersmustwearseatbelts.Youmustn’ttalktoyourmotherlikethat.考點(diǎn)五：1.haveto意為“不得不”，強(qiáng)調(diào)客觀需要。如：Itisgettinglate.Ihavetogo.考點(diǎn)六：1.should意為“應(yīng)該”，既可以表示義務(wù)或責(zé)任，還可以表示勸告或建議。其否定式為shouldn’t，意為“不應(yīng)該”。如：Youshouldreadhisnewbook.It’sreallyinteresting.Childrenshouldn’tbeallowedtoplayinthestreet.考點(diǎn)七：hadbetterdosth.意為“最好做某事”，其否定式在better后加not。如：You’dbetter(not)seethefilmyourself.考點(diǎn)八：need表示“需要”，作情態(tài)動(dòng)詞時(shí)，通常用于否定句或疑問句中?！局锌兼溄印?/p>

1.Jennyfinallygotthejobbecauseshe______speakEnglishwell.A.mightB.mustC.could(2015廣東佛山)2.—Howdoyouusuallygotoschool?—Myschoolisfaraway.I______takethebustoschool.A.mustB.mightC.haveto(2015山東菏澤)3.It'ssurprisingthatMr.Ma'slittledaughter______speakEnglishsowell.A.mustB.canC.mustn'tD.can't(2015重慶A卷)4.Asmiddleschoolstudents,we______beafraidofdifficultiesifwewanttomakeourdreamscometrue.A.mustB.shouldn'tC.need(2015黑龍江哈爾濱)5.Cars,buses,bikesandpeople______stopwhenthetrafficlightsarered.A.canB.mayC.must(2015四川成都)6.—______Iuseyourdictionary?—Ofcourse.Butpleasereturnittomebeforeyouleave.A.MustB.NeedC.May(2015湖南長沙)7.—Mum,thetrainisleavingineightminutes.I______gonow.—Okay,Jim,callmewhenyougetthere.A.mayB.mustC.can(2015四川樂山)8.You______returnthebooknow.Youcankeepituntilnextweekifyoulike.A.havetoB.can'tC.mustn'tD.needn't(2015山東青島)9.—You______parkhere!Lookatthesign,itsays“Noparking”.—Sorry,Ididn'tnoticethatsignjustnow.A.won'tB.needn'tC.mustn'tD.couldn't(2015江蘇蘇州)二、情態(tài)動(dòng)詞表示推測考點(diǎn)一：can表示推測時(shí)常用于否定句中，此時(shí)can’t意為“不可能”。如：Thatcan’tbehismother.She’snotthatOld.考點(diǎn)二：may表示推測，意為“可能；也許”。如：Imaybelate,sodon’twaitforme.考點(diǎn)三：might表示推測時(shí)，比may的可能性更小。

如：Shemightnotwanttocomewithus,Iguess.考點(diǎn)四：must表示推測時(shí)常用于肯定句中，表示很有把握的推測，意為“一定”。如：Themachinedoesn’twork.Theremustbesomethingwrongwithit.1.—Look!It______beDavidintheclassroom.—It______behim.BecauseIsawhiminthelibraryamomentago.A.may;mustn'tB.must;can'tC.can;can'tD.mustn't;can(2015四川廣安)【中考鏈接】

2.Harry'sbeendrivingallday—he______betired.A.needB.canC.shallD.must(2015浙江杭州)3.—Look!Themanatthegate______beourheadmaster.Heisalwaysstandingthereeverymorning.—No,it______behim.Heisholdingameetingintheofficenow.A.must;can'tB.must;mustn'tC.can't;can'tD.can't;mustn't(2015山東濱州)4.—Ihavebeentothemoontwice.—You______bejoking!It'simpossible!A.canB.mayC.mustD.need(2015山東濰坊)5.—DoyouhaveanyplansforthisSunday?—I'mnotsure.I______gotothecountrysidetoseemygrandmother.A.canB.mustC.mayD.need(2015安徽)6.—WillKarencometoourparty?—Shehasn'tdecidedyet.She______come.A.needB.mustC.mayD.hasto(2015山東聊城)7.Thegreendictionary______belongto______.Hernameisonit.A.may,Carla'sB.must,CarlaC.can't,CarlaD.must,Carla's(2015四川南充)8.—Doyouhaveanyplansforthissummervacation?—I'mnotsure.I______takeatriptoTaiwan.A.mustB.needC.mayD.should(2015江蘇鹽城)9.Lifeischangeable.Nooneknowswhat______happeninthefuture.A.shouldB.needC.havetoD.might(2015山東萊蕪)三、情態(tài)動(dòng)詞一般疑問句的回答考點(diǎn)一：may表示請求時(shí)，用于主語為第一人稱的一般疑問句中，其否定回答不用maynot，而用mustn’t或can’t。如：—MayIuseyourglassesforafewminutes?—No,youmustn’t/can’t.考點(diǎn)二：在回答由must引起的一般疑問句時(shí),肯定回答常用must,否定回答常用needn’t或don’thaveto，表示“不必”。如：—Mustwefinishthisprojecttoday?—Yes,youmust./No,youneedn’t/don’thaveto.考點(diǎn)三：在回答由need引起的一般疑問句時(shí)，肯定回答用must，否定回答用needn’t。如：—NeedIbringyouacoat?—Yes,youmust./No,youneedn’t.考點(diǎn)四：在回答由could(表示委婉語氣)引起的一般疑問句時(shí)，常用can/can’t回答。1.—MustIfinishallthehomeworkthisevening?—No,you______.TomorrowisSaturday,andyouhaveenoughtimeforit.A.mustn'tB.needn'tC.won'tD.can't(2015江蘇連云港)【中考鏈接】

2.A:Mum,mayIgoouttoplayfootballforanhour?B:No,you______.Theairoutsideisnotveryclean.A.can'tB.needn'tC.couldn't(2015貴州遵義)3.—MustIhandintheexercisebooktoday,MissGreen？

—No,you______.Takeyourtime.Justtomorrow.A.shouldn'tB.needn'tC.mustn'tD.can't(2015四川內(nèi)江)4.—MustIsingthesonginRussian?—No,you______.It's