四川省凉山彝族自治州昭觉中学高中英语 Module5 Grammar1复习课件 外研版必修5

GrammarRevisionofmodalverbswCompletethesentencesfromthepassage.They______goanywheretheywished.You_________goonthoseships.There_______beanyotherforeigners.Wejust________showourpassports.We______seethesunsettingbehindthewhitepagoda.couldshouldn’twon’thadtocouldIndicateanabilitytodosomethingusetogiveadvicemakeapredictionaboutthefuturethepastofmustthepermissiontodosomethingcould(1)shouldn’twon’thadtocould(5)ModalVerbCorrectthemistakesandsaywhy.Johnshouldsgotoschoolontime.Atthattimewethoughtwemustedhandinourpaper.Youmusttofinishyourhomeworkintime.Wedon’tcanbetheretomorrow.Theyshouldmaydothat.shouldmustcan’tshould/may情态动词的语法特征

1）情态动词表示期待或估计某事的发生，或说话者对

某一动作或状态的态度。带有主观或情感意味。

2）情态动词除ought,have和beable外，后面

只能接不带to的不定式。

3）情态动除have和beable外，没有人称，数的

变化，即情态动词第三人称单数不加-s。

4）情态动词在构成否定形式和疑问形式时，遵循助

动词的规则Twoeyescanseemorethanone.IamsostrongthatIcanliftthisstone.HesaidthatJackcouldn’tfinishhisworkinsuchashorttime.Couldyoufollowmystep?Heisonlyfour,butheisabletoread.Shewasabletodoitwithoutmyhelp.Willyoubeabletocometomypartytomorrow?表能力can

could

beableto有时态变化Youcangonow.Iwon’tletyoudown.CouldIsayitinChinese?MayIknowyourname?Wouldyoumindclosingthedoor?Shallwedance?MightIhaveawordwithyou?语气强 弱表许可,征询意见can,willcould/may/would/shall/mightwTheremustbeamistake.Youmay

walktenmileswithoutseeingahouse.Hemightgetthereontime.Itcanbetrue.Inthosedaysfewworkerscouldsupporttheirfamilies.表可能性(猜测)mustmay,might,can,could肯定句语气强

弱Shecan’t

beserious.Wecouldn’thavedonebetter.Peoplemaynot

pickflowersinthisgarden.Shewasafraidtheymightnot

liketheidea.语气强

弱表不可能(猜测)can’t,couldn’tmaynot,mightnot否定句Wemustn’twasteourtime.Theyshouldn’tleftsosoon.You’dbetternotdisturbhim.mustn’t,shouldn’t

hadbetternot表禁止Youshoulddowhatyourparentstellyou.Ifyoucan’tfinishthebookbythen,youmustcomeandrenewit.Thisisalovelyparty,butwehavetogobecauseofthebaby-sister.Thebridgewasnotwideenoughsothatsomebodyhadtogiveway.should,must

haveto表义务(应该)有时态变化词义Modalscan,could,beabletocan,will,may,could,would,shall,mightmust,may,might,can,couldmustn’t,shouldn’t,hadbetternotshould,must,haveto能力,能够许可,征询意见猜测，可能性禁止义务,应该

can有时也用于肯定句中表示推测,表示：

①表示理论上的可能性(即从理论上看是可能的，但实际未必会发生)：

即使是有经验的教师也可能出错。

Evenexperiencedteacherscanmakemistakes.

②用于含有only等表示限制的肯定句：

“门外是谁？”“只能是邮递员。”“Whoisthatatthedoor?”“Itcanonlybethepostman.”③后接“be(get,seem,become)+形容词”，表示“有时会”、“时常会”等：

Itcangetveryhothere.这里有时会很热。

Shecanbeveryunpleasant.她有时很令人讨厌。shall将要、会(用于第一人称肯定句中及否定句中，单纯表示未来的动作)（用于一、三人称疑问句，征求对方意见）好吗?

必须、可以，应该(表许诺、命令、警告、规定，决心,常用于陈述句的第二三人称中)1)“Whateveryouwant,youshallhave

it,”saidFairy.2)Sheshalldoassheistold.

3)Thatdaywhenyouwillsucceedshall

come.4)Eachcompetitorshallwearanumber.wshould1.应该、应当（表义务、责任、劝告、建议时）本该（含有责备意味）2.竟然、居然（用于表示惊奇、遗憾等的从句中，多在that从句中）Youcan’timaginethatawell-behavedgentleman___________sorudetoalady.Itispitythatshe____________________(lose)allhermoney.shouldbeshouldhavelost

3.按理该；照说应该；估计（表示可能性、揣测，推测、期望等）1)Thereportiswrittenaftercarefulinvestigation,soit_________bereliable.2)They________________________(arrive)inBeijingbythistime.

shouldhavearrivedshould

几个情态动词常考的句型1)．may/might(just)aswell

“不妨，最好”，与hadbetter相近；

2)．cannot/can’t…too…

“越……越好，怎么也不过分”。历年高考题

--Mum,I’vebeenstudyingEnglishsince8o’clock.___IgooutandplaywithTomforawhile? --No,I’mafraidnot.Besides,it’srainingoutsidenow. A.Can’t B.Wouldn’t C.Maynot D.Won’tI____payTracyavisit,butI’mnotsurewhetherIwillhavetimethisSunday. A.should B.might C.would D.couldChildrenunder12yearsofageinthatcountry____beunderadultsupervisionwheninapubliclibrary. A.must B.may C.can D.needYou____betired–you’veonlybeenworkingforanhour. A.mustnot B.won’t C.can’t D.maynotYoumightjustwelltellthemanufacturerthatmalecustomers_____notlikethedesignofthefurniture. A.must B.shall C.may D.needAleft-luggageofficeisaplacewherebags_____beleftforashorttime,especiallyatarailwa