名師原創(chuàng)：Unit11 單元語法詳解課件

Unit11ConflictandCompromise單元語法詳解北師大版新教材選擇性必修四

原創(chuàng)Cao本單元重要語法

情態(tài)動詞◆原句再現(xiàn)a.Theflat-ownersaidifhehadknownthatMaMingwasdrummer,hewouldn’t

haverentedtheflattohim.

(教材P30)b.Theycouldn’trelaxorreadabookwithoutpluggingtheirears.(教材P30)c.“Wetoldhimthatheoughttoceasedrummingorleaveproperty,”acouncilmembersaid.(教材

P30)d.“Lifewillgobacktonormalnow,”theysaid.(教材

P30)e.Wecouldhardlygetridofthesmelloffish!教材

P31)f.IhaveneverseenhimmovesofastandIcouldn’tstophim.(教材

P31)◆情態(tài)動詞cancould能，會maymight可能，可以shallshould將要，應(yīng)該must(主觀上)必須，一定willwould將要，意愿oughtto=should應(yīng)該haveto(客觀上)不得不，必須dare(daren’t)敢need(needn’t)需要，必要usedto過去常?！?/p>

need和dare既作情態(tài)動詞又作實意動詞●作情態(tài)動詞時后接動詞原形，且無人稱和數(shù)的變化;need沒有過去時形式，dare有過去時dared,兩者的否定形式常為：needn’t和daren’t.

請觀察以下句子a.Idaren’taskherforarise.b.Iwonderwhetherhedarestandupinpublic.c.Iwonderwhetherheneedsenditimmediately.d.Ineedhardlytellyouthattheworkisdangerous.e.Youneedn’tfinishthatworktoday.●

作實義動詞常構(gòu)成以下形式sb.needtodo;daretodosth.needtobedone/sth.needdoing表示某物（被）…

請觀察以下句子a.Howdidyoudaretotellherthat?b.Idon’tknowhowshedarestowearthatdress.c.Doyouneedanyhelp?d.Thegardendoesn’tneedwateringatthemoment.=Thegardendoesn’tneedtobewateredatthemoment.e.Thebikeneedsrepairing/toberepaired.●慧眼識真?zhèn)蜨owdareyousaysuchathing?（）Howdareyoutosaysuchathing?（）Hedaren’ttospeakEnglishbeforesuchacrowd,didhe?（）Hedaren’tspeakEnglishbeforesuchacrowd,darehe?（）Nobodyneedtobeafraidofcatchingthedisease.（）Nobodyneedbeafraidofcatchingthedisease.（）Thesedishesneedbecleanedcarefully.（）Thesedishesneedtobecleanedcarefully.（）Thesedishesneedcleaningcarefully.（）√××√×√×√√●輕輕告訴你：※

need疑問句的回答，請觀察以下句子--

Need

Ifinishtheworktoday?--Yes,________________.No,________________.No,________________.※

shall和

must疑問句的否定回答，請觀察以下句子--ShallItellJohnaboutit?--No,you___________________.--Mustwedoitnow?--No,you_____________________.youmustyouneedn’tyoudon’thavetoneedn’t/don’thavetoneedn’t/don’thaveto◆表示推測——情態(tài)動詞的重要用法1.YoumustbeMr.Smith--Iwastoldtoexpectyouhere.2.Hemusthaveknownwhatwewanted.3.Wemayhavereadthesamereport.4.Hecan’thavesleptthroughallthatnoise.5.There’ssomeoneoutside----whocanitbe?6.Whatcantheybedoing?7.Thesepillsmighthelptocureyourdisease.8.Youcouldberight,Isuppose.●請觀察和欣賞情態(tài)動詞對將來推測對現(xiàn)在推測對過去推測肯定推測用must(一定）,may/might(可能）+動詞原形do+bedoing+havedone否定推測can’t/couldn’t+not動詞原形+notbedoing+nothavedone疑問推測can/could+動詞原形do+bedoing+havedone●大顯身手

1.Idon'tknowwheresheis,she_______beinWuhan.2.Atthismoment,ourteacher________________ourexampapers.3.Theroadiswet.It___________________lastnight.4.Yourmother________________________foryou.5.Philip__________________________seriouslyinthecaraccident.6.--Lindahasgonetowork,butherbicycleisstillhere.

--She_______________________(go)bybus.7.Mike________________hiscar,forhecametoworkbybusthismorning.maymustbemarkingmusthaverainedmusthavebeenlookingmay(might)havebeenhurtmay(might)havegonecan’thavefound●真題鏈接1.Ithoughtyou_______likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.wouldD.must2.Whereismypen?I______it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelost3.Ididn’thearthephone.I_________asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen4.It’snearlyseveno’clock.Jack_________behereatanymoment.A.mustB.needC.shouldD.couldB

D

B

D

5.--Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.--It______acomfortablejourneyA.can’tbeB.shouldn’tbeC.mustn’thavebeenD.couldn’thavebeen●輕輕告訴你：不同的“肯定”程度可按層次排列,請觀察以下句子He

is

athome.(事實)He

mustbe

athome.（非?？隙ǖ耐茢啵?/p>

He

couldbe

athome.（很可能）

D

He

oughttobe

athome.（很可能）He

maybe

athome.（僅僅可能而已）He

mightbe

athome.（或許,非常不確定）

He

mightnotbe

athome.（也許不在家）He

maynotbe

athome.（比might可能性稍大）

He

couldn’tbe

athome.（很可能不在家）

He

can’tbe

athome.（一定不在家）He

isn'tathome.（事實）◆表示能力、許可的情態(tài)動詞的用法表示能力:can,could,beableto●

beableto能用于多種時態(tài)。●

can/could只能表示現(xiàn)在或過去的能力。※

溫馨提示：was/wereableto:“設(shè)法做成或成功做某事”,即=managedtodosth./succeededinsth./doingsth./besuccessfulinsth./doingsth.1.Acomputer_______thinkforitself;itmustbetoldwhattodo.A.can’tB.couldn’tC.maynotD.mightnotA

●

小操練2.Thefirespreadthroughthehotelveryquicklybutthey______getout.hadtoB.wouldC.couldD.wasableto3.Theywill_______runthismachineontheirowninthreemonths.A.canB.couldC.mayD.beableto4.Thatbigcinema______seat2,000people.A.canB.shouldC.oughttoD.isabletoD

D

A

※

悄悄告訴你：表示許可:

may/might,can/could

might,could

比較委婉,一般多用于疑問句.can,may

表達的語言比較隨便.在以could,might

表示征詢對方意見或表示請求時，回答應(yīng)相應(yīng)使用can,may.請看延續(xù)操練5.--CouldIborrowyourdictionary?--Yes,ofcourseyou______.A.mightB.willC.canD.should6.--MightIwatchTVaftersupper?--Yes,you_____.A.mayB.mustC.mightD.canC

A

◆表示否定的情態(tài)動詞的用法(考察情態(tài)動詞的重點和熱點之一)mustn’t不準(zhǔn),禁止;needn’t沒必要(=don’thaveto);can’t不能;

不可能;maynot不可以;可能不;shouldn’t不應(yīng)該(=oughtnotto)，請看延續(xù)操練7.You______returnthebooknow.Youcankeepittillnextweekifyoulike.A.can’tB.mustn’tC.needn’tD.maynot8.Johnny,you______playwiththeknife,you______hurtyourself.A.won’t;can’tB.mustn’t;mayC.shouldn’t;mustD.can’t;shouldn’tC

B

9.--Willyoustayforlunch?--Sorry,_____.Mybrotheriscomingtoseeme.A.Imustn’tB.Ican’tC.Ineedn’tD.Iwon’t10.--MayIpickaflowerinthegarden?--______.A.No,youneedn’tB.Not,please.C.No,youmustn’tD.No,youwon’tB

C

◆情態(tài)動詞：shall,will

的多種意義※

均可表示將來。過去時為

should,would.※

shall可表示必須、命令、警告或征詢意見.※

will可表示意愿、常出現(xiàn)的動作、在疑問句中表示請求和建議.●請接著看延續(xù)操練11.He______bepunishedifhedisobeys.12.Wearenotgoingtoquarrelatallifyou____onlyletmespeak.13.--Sir,____hegoorstay?--Lethimgo.A.willB.shallC.mightD.couldshallwillB

14.Thedoor_______open.15.Ronald______stayinhissmallgardenforalongtimeeverydayinthepast.A.couldB.mightC.shouldD.would16.You______havethebookafterIreadit.won’tD

shall●情態(tài)動詞真題1.Putonmoreclothes.You_____befeelingcoldwithonlyashirton.

A.can

B.could

C.must

D.would2.--MustIdrivetohishouseandpickupthe