高三英语总复习语法训练

高三英语总复习语法训练情态动词用法详解4._______本身有一定的词义，但_________作谓语，必须和_______的不定式连用。没有__________的变化。情态动词人称和数不能单独can(could),may(might),must,oughtto,haveto,need,dare,shall(should),will(would)不带tocanbeableto都表能力Nooneelsecan/knowthesecret.Everyonecould/answerthisquestion.Willyoubeabletocometonight?youcometonight?.isabletowasabletoCanI’msorryIhaven’tbeenabletohelpyou.Shesaidshehadn’tbeenabletoansweryourletter通过努力而能够，有更多的时态形式cancould表“能力”“许可”“可能性”Moreandmorepeoplecandriveacar.Youcanstayhere.MayIcomein?（表许可，较正式）用在否定句或疑问句Wherecanhehidenow?TheotherdayIthoughtthenewscouldnotbetrue.maymight允许和征询对方许可Youmaytakethisseatifyoulike.Peoplemaynotpickflowersinthisgarden.---Yes,youmay/please.（Certainly)---Pleasedon’t./No,youmustn’t./No,you‘dbetternot.不可以---MayIsmokehere?表或许,可能,只用在________中Youmaywalktenmileswithoutseeingahouse.Shemaynotbeheretoday.ShesuggestedafewbookswhichImightbuy.Shewasafraidtheymightnotlikeheridea.陈述句Mayyousucceed.Maythatdaycomesoon.表祝愿MightIaskforaphotoofyourfamily?(比mayI...更客气一些)IwonderifImightborrowsomecoffee.Youmightaswellspeakyourmind.(比may...显得婉转些)OfcourseImightbewrong.might代替may表示可以做的事或可能发生的事.HewillcanlearnEnglishwellifhestudieshard.Willyouanswerthephone?Itcanbeyourmother.Accordingtotheradio,itcansnowthisevening.________cancould(may,might)could(may,might)CorrectthesentencesMayitraintomorrow?Jackmaynotgotoschooltoday.Heisill.Hehasn’tcomeyet.Hecannotcometoday.__Can/Could____can’t/cannot____maynot（表可能，用在肯定句）Shemaynotbeathome.Shecannotbeathome.可能不不能/不可能Must表必须要作的事Wemustdoeverythingstepbystep.Wemustshowconcernforeverystudent..Wemustn’tstayhereanylonger.Mustwerememberahundredwordsthisweek?---Yes,youmust.---No,youmustn’t.---No,wrongyouneedn’t/don’thaveto.Wemuststudyhard.Wehavetostudyhard.Youhadtobethereatten.（主观想法）（客观需要）Must&havetoPraticeI_______askyounottodothatagain.We________stayathomebecauseitwasraininghard.Theywill___________consideryourplan.havetohaveto（能用于更多时态）must--MustIcleanalltherooms?--No,youmustn’t.Youmustn’tworktomorrowifyoudon’twantto.HespeaksgoodEnglish.Hemustlearnitbefore.Theymusthavetalkedaboutusontheradionow._______________________needn’t/neednot/don’thavetoneedn’t不必千万不能/绝不可以musthavelearnedmustbetalkingshould&Oughtto表应该作什么Everyoneshouldobeythelaws.Everyoneoughttoobeythelaws.Youarehisfather.Yououghttotakecareofhim.Weoughttolaughatpersonintrouble．notOught‘Itogo?’---‘Yes,Ithinkyouought(to).Oughtn’twegivehimachancetotry?(口气少重些）(表责任、义务等）---OughtItoleaveonSunday?---No,yououghtn’ttoleavetillThursday.Sheshouldlookafterherchildrenbetter.______neednot/needn’t____oughttoneed作情态动词，表需要,主要用于Weneedn’thurry.SoIneedn’ttellhimthetruth,__________?Needhegososoon？---Yes,heneed.---No,heneedn’t.___mustIhardlyneedsayhowmuchwemissedyou.Idon’tthinkyouneedworry.NeedI否定句和疑问句(wrong)need（vt.）+n./todo用于各种结构Thegardenneedsrain.Doesheneednewspaper?Weneedtolearnfromothers.Dotheyneedtospendtheirholidaysabroad?_________needn’tdo____________NeedtheyspendYoudon’tneedtodoitbyyourself.Shedoesn’tneedtoattendthemeeting._____________neednotattendHeneedhavearest.Needwestayherethisevening?Yes,youneed.Thegardenneedstowater.______needstohave___must________needstobewatered/needswateringdare作情态动词，表敢于主要用于否定句、疑问句及条件句Dareyougohomealone？Howdaredtheydosuchathing？Hedaren’tevenlookout.Shedarenotsaywhatshethinks.Noonedaredspeakofit.Hewillneverdaregothereagain.Iwon’tallowyoutoswimacrosstheriver,evenifyoudaredoit.dare(vt.)+todo用语各种结构Wemustdaretoact.Hedidnotdaretogoswimmingagain.__________darednotgoIhaveneverdaredtotellhimaboutthisDoeshedaretogooutatnight?_________________________havenevertellDarehegoDareshesaywhathethinks?Shedaresnottellthebossbecauseshedoesn’twanttomaketrouble._______Darehesay/Doeshedaretosay______darenot/doesn’tdareto情态动词+havedone表”应当已经……”，”想必已经……”Ishould(oughtto)havethoughtofthat.Theyshouldnothavebeenlate.Theymusthavearrivedbynow.Itmusthaverainedlastnight,becausethegroundiswetnow.Hecan’thavefinishedtheworksosoon.Youmight/mayhavereadthenewsinthepapers.（只用在肯定句）情态动词+bedoing表”应该正在……“”想必正在……“Youshouldbewearingamask.Youshouldn’t(oughtnot)betalkingsomuch.Shemightstillbethinkingofthequestionyouasked.Hecan’tbeswimminginsuchcoldweather.Whatcantheybediscussingatthismoment?Theymustbewaitingforus,let’shurry.表可能can/could用在否定句、疑问句，may/might用在肯定句would/shouldlike(sb.)todohadbetter+doWe’dlikeyousayafewwords.You’dbettertotakeanumbrellawithyou.__tosay____takeYouhadnotbetterstayupplayingcomputer.________hadbetternot情态动词的定义情态动词是一种本身有一定的词义，表示说话人的情绪、态度或语气的动词，但不能单独作谓语，只能和其他动词原形构成谓语。Wecanbethereontimetomorrow.我们明天能按时去那儿。MayIhaveyourname?我能知道你的名字吗？Shallwebeginnow?我们现在就开始吗？Youmustobeytheschoolrules.你必须遵守校规。情态动词数量不多，但用途广泛，主要有下列：can(could),may(might),must,need,oughtto,dare(dared),shall(should),will(would).情态动词的位置情态动词在句中放在谓语动词之前，谓语动词前若有助动词，则在助动词之前，疑问句中，情态动词放在主语之前。Icanseeyou.Comehere.我能看见你，过来吧。Hemusthavebeenaway.他一定走了。WhatcanIdoforyou?你要什么？Howdareyoutreatuslikethat!你怎么敢那样对待我们!情态动词的特点情态动词无人称和数的变化，情态动词后面跟的动词需用原形，否定式构成是在情态动词后面加“not”。个别情态动词有现在式和过去式两种形式，过去式可以用来表达更加客气、委婉的语气，时态性不强，可用于过去，现在或将来。Hecouldbeheresoon.他很快就来。Wecan'tcarrytheheavybox.我们搬不动那箱子。I'msorryIcan'thelpyou.对不起，我帮不上你。情态动