RevisionofmodalverbswCompletethesentencesfromthepassage.1.They______goanywheretheywished.2.You_________goonthoseships.3.There_______beanyotherforeigners.4.Wejust________showourpassports.5.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cancouldbeableto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/mightw•Theremustbeamistake.•Youmaywalktenmileswithoutseeingahouse.•Hemightgetthereontime.•Itcanbetrue.•Inthosedaysfewworkerscouldsupporttheirfamilies.表可能性(猜测)mustmay,might,can,could肯定句语气强弱•Shecan’tbeserious.•Wecouldn’thavedonebetter.•Peoplemaynotpickflowersinthisgarden.•Shewasafraidtheymightnotliketheidea.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’thadbetternot表禁止•Youshoulddowhatyourparentstellyou.•Ifyoucan’tfinishthebookbythen,youmustcomeandrenewit.•Thisisalovelyparty,butwehavetogobecauseofthebaby-sister.•Thebridgewasnotwideenoughsothatsomebodyhadtogiveway.should,musthaveto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1.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,youshallhaveit,”saidFairy.2)Sheshalldoassheistold.3)Thatdaywhenyouwillsucceedshallcome.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________________...
