【课件】L28情态辅助动词一初中英语词性句法新讲课件(共11张)

情态辅助动词一Lesson28：授课人：曾老师CanWow,thebirdcansinganEnglishsong.Shecan’tsingitinEnglish.Canyouswim?肯定：能力上行否定：能力上不行疑问：问能力上行不行HecandriveustoHangzhou.Hecan’tgowithme.Canyougowithme?肯定：条件许可(能力也行)否定：不能、不行疑问：能不能、行不行We/Youcansmokehere.Noonecantakeitaway.Canwecometoyourdance?肯定：条件许可(允许同意)否定：不可以、不行疑问：能不能、行不行情态辅助动词：情态辅助词不多，主要有以下这些，用来表达说话者不同的情绪与态度：情态辅助动词：Itcanbequitecoldhereinwinter.Itcan’tbetrue.Canhebeserious?肯定：极有可能(推测)否定：极不可能疑问：真有可能吗？Canwesmokehere?Canyoureaditforme?Canhegetsometeaformenow?疑问：征求对方意见HowcanIlovemyselfwhenIlooklikethis?“Howcan…”表示反问Can’tyouspeakitalittleloud?“否定+疑问”表示责问反问CanCouldHesaidhecouldfinishitontime.Hesaidhecouldn’tdriveustoHangzhou.Wecouldn’tgowithyouatthattime.Hetoldmewecouldlivehere.作为can的过去式，表述相同的意思，但could的强度相对要弱一点Hecouldhavealreadyfinisheditifyouhadhelpedhim.HecouldsinganEnglishsong.(现在不能了)表示假定(也许能/不可能).过去式有含与现在情况相反之意Itcouldbefuntowatchthem.Itcouldn’tberainingtomorrow.Coulditberainingtomorrow?Youcoulddoitbetter.DoyoureallythinkIcouldgettheexactthingIwant?肯定：推测较有可能、

本来较有可能否定：推测几乎不可能疑问：有可能吗？情态辅助动词：CouldIuseyourphone,please?CouldyoupleasespeakitinChinese?疑问：委婉征求对方意见Wecouldwritealettertothedirector.Icoulddoitnow,ifyoulike.能与行的情况下提出建议Howcouldyoudothat?“Howcould…”表示责问Couldn’tyouaskJontotheparty?“否定+疑问”表示责问反问情态辅助动词：CouldMayYoumaystandonthechair.Youmayholdit.Youmaynotinterferewithme.肯定：允许同意否定：不可以、不行Shemaycometonight.Hemaybeagoodfatherbuthe’saterriblehusband.Hemayhavebeentosomeofthoseplaces.Thelistmaynotbecomplete.Peoplewhoshitonyou,maynotbeyourenemy.肯定：也许有可能(推测)否定：不太有可能

不一定会I’mgoingbybike,andyoumaygobybus.肯定：可以(建议)MayIuseyourcomputer?Maywecometoyourdance?疑问：征求对方意见有可能吗/可以吗？情态辅助动词：跟can意思相近，但can语气上更强。跟can意思相近，但can语气上更强。MightHesaidhemightcomethenextday.HesaidMarymightcomethenextday.Youmightaskhimforadviceonthismatter.作为may的过去式，表述相同的意思，但might的强度相对要弱一点Ithoughtyoumighthaveinvitedherover.Hemighthavealreadyfinisheditifyouhadhelpedhim.用于假定(也许可能/不会).过去式有含与现在情况相反之意Youmightwanttoconsidercycling.Hemightcomehereintime,butIcan’tbesure.Smokingmightbebannedtotallyinmostbuildings.肯定:有那么一点可能(推测)Youmighttrycallingthehelpdesk.肯定：也许可以(建议)MightIaskwhatyou’redoinghere?疑问：弱弱问一下情态辅助动词：MustWemustbehonestandfaithfultothepeople.Youmustmakeacleanbreakwithhim.Someonemustberesponsibleforthislose.Youmustn’tfirewithoutmysignal.Youmustn’tdothat.It'swrong.WhatmustIdo,Mrs.Jones?肯定：因情因势需要否定：绝对不可以疑问：有必要/有需要吗？“YoumustbeEmma.”saidthevisitor...Thismustbeaverydifficultjobforyou.Wemustpayahighpriceforourstupidacts.Hemustn’tbeuntruthful,oracoward.(懦夫)Theymustn’tstayunderthetree.肯定：肯定/绝对…(极强推测)否定：绝对不可以情态辅助动词：NeedAllyouneedbringaresheets.Youneedn’tfinishthatworktoday.NeedIremindyouwhotheenemyis?肯定：必须(强势的主观意愿)否定：不必，没必要疑问：有必要…?情态辅助动词：DareIdaresayyouknowaboutitalready.Idaren’ttellherthe