人教版初三八單元SectionA3

Unit8SectionAPeriodThreelaboratoryoutdoorscoatsleepyn.

實(shí)驗(yàn)室adv.

在戶外；在野外n.

外套；上衣adj.

困倦的；瞌睡的WordsReviewObjectivesTolearntousemust,might,couldandcan’t

formakinginferencesItmustbeCarla’s.ItcouldbeMei’shairband.I’mnotsure,butitcan’tbeadog.動(dòng)詞的種類按詞義和句中的作用，動(dòng)詞可以分為四類。①實(shí)義動(dòng)詞（及物動(dòng)詞和不及物動(dòng)詞）②系動(dòng)詞③助動(dòng)詞④情態(tài)動(dòng)詞Thatman______bemyEnglishteacher.HehasgonetoCanada.(2011湖南株洲)A.needn’tB.mustn’tC.can’t【考點(diǎn)點(diǎn)撥】考查情態(tài)動(dòng)詞辨析。needn’t意為“不必”；mustn’t表示“明令禁止”；can’t表示“不可能”。根據(jù)句意“那個(gè)男人不可能是我的英語老師。他去了加拿大?！惫蔬xC?？键c(diǎn)例析情態(tài)動(dòng)詞情態(tài)動(dòng)詞具有一定的意義，但不能單獨(dú)作謂語，其后需接動(dòng)詞原形一起構(gòu)成句子的謂語。情態(tài)動(dòng)詞(除haveto以外)沒有人稱和數(shù)的變化。另外，情態(tài)動(dòng)詞可用來構(gòu)成否定句、疑問句并進(jìn)行簡(jiǎn)略回答。初中常見的情態(tài)動(dòng)詞有：can,may,must,need,haveto,could,should,oughtto等?？键c(diǎn)一：考查表示“能力”的情態(tài)動(dòng)詞1.—________yourAustralianfriendeatwithchopsticks?—Yes,butshecan’tusethemwell.A.ShouldB.NeedC.CanD.Must2.Theworkistoohardforus.We_______finishitontime.A.can’tB.mustn’tC.shouldn’tD.needn’t情態(tài)動(dòng)詞——考點(diǎn)3.—Couldyourfatherplaygolfwhenhewasyoung?—No,he________.Buthe________playtabletennis.A.couldn’t;couldB.needn’t;mightC.mustn’t;shouldD.shouldn’t;need【考點(diǎn)點(diǎn)撥】★情態(tài)動(dòng)詞can表示“能力”時(shí)，與beableto同義，其否定形式為can’t。can表示現(xiàn)在的能力，其過去式could表示過去的能力?？键c(diǎn)二：考查表示“應(yīng)該”的情態(tài)動(dòng)詞1.—________we tofinishourhomework beforenoon?—Yes,you________.A.Need;canB.Have;doC.Ought;oughttoD.Should;must2.You________studyhardifyouwanttobeascientistinthefuture.A.mayB.shouldC.wouldD.could【考點(diǎn)點(diǎn)撥】★情態(tài)動(dòng)詞should和oughtto都可表示“應(yīng)該”，但should側(cè)重說話者主觀的看法，而oughtto更側(cè)重客觀情況。★should的否定形式為shouldn’t，oughtto的否定形式為oughtn’tto或oughtnotto。考點(diǎn)三：考查表示“請(qǐng)求；許可”的情態(tài)動(dòng)詞及其回答1.—________Iborrowyourmath'sbook?—Sure.Hereyouare.A.NeedB.WillC.MayD.Must2.—________Itakesomephotosinthehall?—No,you________.Lookatthesign“Nophotos”!A.Can;needn’tB.Must;mustn’tC.Should;needn’tD.May;mustn’t3.—CouldIuseyourdictionaryforawhile?—Yes,ofcourseyou________.A.couldB.canC.willD.should【考點(diǎn)點(diǎn)撥】

★情態(tài)動(dòng)詞may和can都可表示“請(qǐng)求；許可”。may比can正式，could在表示“請(qǐng)求；許可”時(shí)，既可表示過去，也可表示語氣的委婉。

★當(dāng)“May/Can/CouldI…”表示“請(qǐng)求；許可”時(shí)，肯定回答常用“Yes,please.”

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“Certainly.”等，否定回答常用“No,youcan’t/mustn’t.”等?？键c(diǎn)四：考查表示“推測(cè)”的情態(tài)動(dòng)詞1.—IsawLilyinthesupermarketthismorning.—Oh,it________her.ShemovedtoAustraliathedaybeforeyesterday.A.canbeB.mustbeC.can’tbeD.mustn’tbe2.Afteralongwalk,thechildren________beverytirednow.A.willB.mustC.havetoD.can3.John________gowithustomorrow,butheisn’tsure.A.mustB.canC.needD.may【考點(diǎn)點(diǎn)撥】

★may,can,must都可表“推測(cè)”，三者的可能性依次遞增。

★may和must表“推測(cè)”常用于肯定句中，can表“推測(cè)”常用于否定句和疑問句中?？键c(diǎn)五：考查need,must和haveto的用法

1.Jim,you________playwiththeknife.You________hurtyourself.A.won’t;can’tB.mustn’t;mayC.shouldn’t;mustD.can’t;shouldn’t2.—________Ihavetohandinmyhomeworknow,MrZhang?—Yes,youdo.A.DoB.CanC.MayD.Must3.—MustIgetupbeforesixo’clocktomorrowmorning,Dad?—No,you________.TomorrowisSaturday.Youmaygetupalittlelater.A.mustn’tB.can’tC.needn’tD.maynot4.It’stoolate.We________gohome,orwe’llbeblamed(責(zé)備).A.canB.mayC.mightD.haveto【考點(diǎn)點(diǎn)撥】★need作情態(tài)動(dòng)詞，意為“需要”，后接動(dòng)詞原形，常用于否定句、疑問句和條件句中?！飉ust意為“必須”，強(qiáng)調(diào)主觀看法。對(duì)must引導(dǎo)的一般疑問句，肯定回答常用“must”，否定回答常用needn’t或don’thaveto。mustn’t意為“一定不要；禁止”?！飄aveto意為“不得不；必須”，強(qiáng)調(diào)客觀情況下需要做某事，有人稱、數(shù)和時(shí)態(tài)的變化，變否定句和疑問句時(shí)需要借助助動(dòng)詞完成句型的變化。分類特點(diǎn)例詞意義例句情態(tài)動(dòng)詞跟動(dòng)詞原形（有自己的詞匯意思）can(could),may(might),should,oughtto,must,need,haveto,etc.不能獨(dú)立做謂語。表示說話人語氣、情感或態(tài)度，無人稱和數(shù)的變化(haveto除外)Wecan’tcarrytheheavybox.Hemaycometomorrow.Wemuststudyhard.Finishtheexercises4a-4conpage20.Findtheanswertothequestion.Individualactivity注:另附word文檔。點(diǎn)擊此處鏈接1.Theroomisbigenough.It________hold100people.(2011廣西南寧)A.canB.mustbeC.needD.haveto2.—Mr.Wang,canIfinishmyhomeworktomorrow?—Sorry,you________.(2011重慶)A.can’tB.don’tC.needn’tD.won’tI.中考鏈接。3.—WhoseT-shirtisthis?—It________beJohn’s.It’smuchtoosmallforhim.(2011湖北荊州)A.mayB.mustC.can’tD.shouldn’t4.Thetalentedboy________writelyricswhenhewasattheageoften.(2011山西)A.mayB.couldC.must5.—Bob,shallwegoandmeetournewclassmate?—Sorry.I’mbusynow.Butyou______askDavidtogowithyou.Heisfree.(2011浙江麗水)A.needB.mayC.wouldD.must6.—______Iborrowyourhistorybook?—Sure.Hereyouare.(2011江蘇淮安)A.MustB.MayC.NeedD.Will7.Cars,busesandbikes________stopwhenthetrafficlightschangetored.(2011上海)A.canB.mayC.mustD.need8.Themagazine_____