九年級unit8知識點同步練習學科英語學生年級九年級教材版本人教版課題名稱Unit8ItmustbelongtoCarla.教學目標學會情態(tài)動詞表示推測的用法不同時態(tài)的推測肯定推測否定推測疑問句中的推測教學重難點情態(tài)動詞表示推測的用法教學過程情態(tài)動詞表示推測的用法1.對不同時態(tài)的推測情態(tài)動詞可以表示說話的語氣。本單元主要學習情態(tài)動詞must，can/could，may/might表示推測的用法。表示推測時，要根據肯定、否定或疑問的不同句式選用不同的情態(tài)動詞。“情態(tài)動詞＋dosth.”表示對現在事情的推測；“情態(tài)動詞＋bedoingsth.”表示對正在發(fā)生的事情的推測；“情態(tài)動詞＋havedonesth.”表示對過去或已完成事情的推測。如:Theymustbeintheclassroomnow.他們現在一定在教室里。Petermay/mighthavebeenhurtinthecaraccident.彼得可能在車禍中受了傷。2.肯定推測(1)must用于肯定句，表示較有把握的推測，意為“準是，一定”，后面接動詞原形，表示對現在的推測。如:—I'vehadnosleepfor48hours.我已經48小時沒睡覺了。—Youmustbeexhausted.你一定筋疲力盡了。(2)may用在肯定句中，表示對現在把握不大的推測，意為“也許，可能”。如:Itmaybeanewspecies.它可能是一個新品種。(3)could，might也可表示推測，常用在過去時中；但在某些場合下，為了使語氣更緩和、更委婉，常用could，might代替can，may。如:Theysawsomethingintheskylastnight.Itcould/mightbeaUFO.昨天晚上他們看見空中有個東西。它有可能是不明飛行物。Youmight/couldbeverytired.你可能很累吧。(4)can用在肯定句中，表示理論上的可能性。如:Smokingcancausecancer.吸煙有可能引發(fā)癌癥。3.否定推測(1)表否定推測時，can't/couldn't語氣最強，指“不可能”，帶有驚異、懷疑的感情色彩。如:Thestorysoundsreasonable，butitcan'tbetrue.這個故事聽起來合情合理，但不可能是真的。(2)語氣不很肯定時，常用maynot或mightnot表否定推測，意為“可能不，也許不”。如:Hemay/mightnotbeathome.他可能不在家。4.疑問句中的推測疑問句中的推測，常用can或could，意為“可能”。如:Whocanitbe？CanitbeJenny？那可能是誰呢？是珍妮嗎？語法精練Ⅰ.選用方框中的情態(tài)動詞填空。can，may，must，can't，maynot，mustn't，could，might，couldn't，mightnot1.Thatrednotebook________beWangHong's.Look!Ithashernameonthefirstpage.2.Thejeans________beMichael's.Theyaretooshortforhim.3.Thebasketball________beMike's.HissuperstarisYaoMing.4.Theguitar________belongtoMary.Shelikestoplaytheguitarverymuch.5.Oh，theredbike________behis.Hisisyellow.同步練習1.單項選擇。(每小題1分，共15分)()1.—Mikehad________unusualexperiencelastweek.Hesaidhesaw________alien.—Really?Canyoubelievehim?A.a;anB.a;aC.an;anD.an;a()2.—Wow!Howbeautiful!________flowersarethese?—TodayisMother'sDay.Theyareforyou，Mum.A.WhoB.WhichC.WhatD.Whose()3.—Wouldyouliketo________aconcertwithustonight，Mike?—I'dloveto，butIhavetolookaftermyillmother.A.refuseB.agreeC.attendD.admire()4.—Shewasinterviewed________thelocalnewspaperthismorning.—Yes.TheTVstationinterviewedher________thesametime.A.by;atB.by;forC.as;inD.as;at()5.Theremustbemanypeople________forthetrainatthetrainstationbecauseofthesnowstorm.A.waitB.waitedC.towaitD.waiting()6.—WhydidPeterleavethelibrary?—Hewasmadeoutofitformakinglotsof________.A.cryB.voiceC.soundD.noise()7.Jennifertakesalotofexerciseeverydayandsheisalwaysfullof________.A.knowledgeB.changeC.energyD.courage()8.—Haveyoubought________forLinda'sbirthday?—Notexactly.Justsomeflowers.A.somethingunusualB.anythingunusualC.unusualsomethingD.unusualanything()9.Thecoffeetastesterrible.Idon'tthink________likesdrinkingit.A.anythingB.anybodyC.nobodyD.nothing()10.________Tom________MaryspeaksgoodChinese，sotheycancommunicatewiththeseChinesestudentsverywell.A.Neither;norB.Notonly;butalsoC.Both;andD.Either;or()11.Idon'tknowifthedress________me.Canyougivemesomeadvice?A.suitsB.wearsC.hasD.agrees()12.Hisfamilyareworriedabouthimbecausetheyhaven't________lettersfromhimforalongtime.A.acceptedB.receivedC.writtenD.collected()13.Therearemany________chanceshiddeninthechallenges.Openyoureyestofindthemandcatchtheminyourhands.A.valuableB.oppositeC.surprisedD.exciting()14.—IthinkthegirlunderthetreemustbeAlice.—No,it________beher.Sheisinthegymnow.A.can'tB.mustn'tC.mayD.maynot()15.—________？—Sorry,Idon'tknow.Maybeit'sKathy's.A.WhoisKathyB.WhosebikeisthisC.WhichisKathy'sbikeD.WhatsizeisKathy'sbike2.詞匯運用。(每小題1分，共10分)A)根據句意及首字母或漢語提示完成單詞。16.Ipromisednottotella________aboutthenews.17.Thepresentisveryv________，andIwon'tacceptit.18.Weusuallyhavefourp________inthemorningandthreeintheafternoon.19.They'llhaveasurprisingpartytocelebratetheir________(勝利).20.It'sreallydifficulttofindthe________(位置)ofMH370.B)用括號內所給單詞的適當形式填空。21.NotonlyJimbutalsoJack________(go)totheparkonweekends.22.Doctorsaretryingtopreven