情态动词大全

1,情态动词,ModalVerbs,2,情态动词有哪些?,can/may/must/will/shall/should/oughttoneed/darehadbetter/wouldrather,usedto/haveto/beableto,3,情态动词的含义,1.能力2.请求/准许3.可能性,1.请求/准许2.可能性*3.祝愿,1.义务(必须);2.猜测(肯定),需要,敢,愿意,1.征求意见2“应该”(should),4,“能够”（能力）,“不得不/必须”,“应该”,“过去（常常）”,“最好”,“宁愿”,情态动词的含义,5,情态动词的结构,*后接动词原形,与动词原形一起构成复合谓语*情态动词无人称和数的变化,WecanspeakEnglish.Youmustntsmokehere.Hedarenotspeaktoyou.Youneedntgonow.Willyouhelpme？Hemightcome,butImnotsure.Itmusthaverainedlastnight.Itshouldhavebeendoneyesterday.,“能够”(能力)“不准”(禁止)“不敢”“不必”“愿意”(请求)“可能”(推测)“肯定”(推测)“应该”(责备),6,情态动词在使用中应特别注意的问题,过去式并不一定表示过去：can/could;may/mightCouldyoucomeearliertomorrow?(请求)Shemightberight.(推测)MayI/we.问句的回答：-Might/MayIwatchTVnow?-Yes,youcan/may.(或：Yes,pleasedo.)-May/MightItakethisbookoutoftheroom?-No,youcant/mustnt.(或：No,youdbetternot.)3.MustI/we/he问句的否定回答：No,.neednt/donthaveto*mustnt的含义：表“禁止”“不允许”,7,4.情态动词表推测时应注意的几个问题:1)完全否定推测用cantbe（“不可能”）:肯定推测用mustbe（“肯定，一定”）HecantbePeter.Peterhasgoneabroad.2)疑问句中的推测用canbe:CanitbeTomwhodidit?3)mustbedoing:对正在发生的动作的肯定推测：Itiseightoclock.HemustbewatchingTVnow.4)musthavedone:对已发生的动作的肯定推测：Itiswetoutside.Itmusthaverainedlastnight.,8,1.-Whoiscrying?-It_beTom.Hesjustlostthegame.2.-Whoiscrying?_itbeTom?-No,it_behim.Ijustheardhimsinginginthestreet.3.Heisblackandblueallover.Hisfather_(beat)him.4.Thetrainstartedanhourago.Nowit_(travel)onthegreatplain.,mustCancant,musthavebeaten,mustbetravelling,9,5.情态动词must表推测时的反意问句的构成：要根据陈述部分(must)后的内容来确定：Hemustbetirednow,_?Youmusthaveseenthefilm,_?Itmusthaverainedheavilylastnight,_?Theymustbewaitingforusnow,_?,isnthe?haventyoudidntitarentthey,10,6.情态动词+havedone时有表示责备的含义：should/oughttohavedone(本该做而实际上没做）shouldnt/oughtnthavedone(本不该做而实际做了）couldhavedone（本可以做成而实际上没）neednthavedone（本不必做而实际上却做了）,1)Whyareyoudoingyourhomeworknow?Youshouldhavedoneitbeforeclass.2)Youshouldnthavetoldhimaboutit.Itmayhurthim.3)Youarelate.Yououghttohavecomeearlier.4)Youcouldhavepassedtheexamifyouhadbeencarefulenough.5)Youneednthavetoldherthenews,forIhadtoldherearlier.,11,7.shall,will,would用法：ShallIturnonthelight,madam?(征求意见)Whatshallwedonow?(征求意见)Iwontseehimanymore.(意愿)Would/Willyoutypethisrightnow,please?*Shallshetypethisrightnow?(征求意见),8.would“总是”/usedto“过去常常”OnSundayshewouldgotocallontheoldmanwhenhewasyoung.Iusedtogetuplate,butnowIhavegotusedtogettingupveryearly.*usedto的否定形式:usedntto/didntuseto,12,9.dare和need既可以作情态动词用,又可以作实义动词用1)IdaresayHowdareyousaythattome?-Darehegoalone?-No,hedarenot.-Doeshedaretogoalone?-No,hedoesnt.-Needhedoitnow?Noheneednt.(Yes,hemust)-Doesheneedtogothereatonce?Yes,hedoes*作情态动词用时没有人称的变化,She_(dare/dares)notgotherealone.=She_(darenot/doesntdare)togotherealone.,13,情态动词翻译练习,14,1.(Thereisaknockonthedoor)-Who_it_?(会是谁呢？)-It_thepostman.（肯定是邮递员）-It_thepostman.（不可能是邮递员）-It_theguard.（也许是保安）,can,be,mustbe,cantbe,maybe,15,2.It_lastnight,forthegroundiswet.（昨晚肯定下雨了）3.-WhereisMary?-She_tothelibrary.（肯定去图书馆了）-She_tothelibrary.Isawhimintheteachersoffice.（不可能去图书馆）,musthaverained,musthavegone,canthavegone,16,4.-DoyouknowwhereTomis?-He_tothediningroom,Iamnotsure.（也许去了餐厅）5.You_yourhomeworkyesterday.（本来应该上交）6.Myfather_mysisterlastnight.Sheisagoodgirl.（本来不应该责备）,mayhavegone,shouldhavehandedin,shouldnthavescolded,17,7.LilycametoschoollastSunday.She_toschool.（本来没必要上学）8.You_yourhome-workbetterlasttime.（本来可以做得更好）9._Iopenthewindow,MrWang?（可以）10.I_beatyouifyoutellmealie.（我会打你的）,neednthavegone,couldhavedone,May,shall,18,11._Igotheretomorrow?（可以）Yes,you_.(No,you_.)12._Ifinishmyworktoday,?（必须）No,you_.Yes,you_.13._youcomehomealoneatnight?（敢）Yes,I_.14.I_tellhimthebadnews.（不敢）15.I_tellhimthebadnews.（不敢）,May,may,mustnt,Must,neednt,must,Dare,dare,darenot,dontdareto,19,16.You_cometoschoolthisafternoon.（不必）17.You_cometoschoolthisafternoon.（不必）18.He_gohome,(可以)butyou_.（不可以）19.Itisgettingdark,I_gohome.(必须）20.Thehousewasonfire,butwe_getoutofthefire.（能够）,neednt,dontneedto,may,maynot,haveto,wereableto,20,21.I_swimwhenIwasten.（能够）22.You_gowithus.（最好）23.LiuHulan_die_surrender.（宁死不屈）24.Myfather_（过去）liveinthecountryside_?25.Theyoung_takecareoftheold,（应该）_?,could,hadbetter,wouldrather,than,usedto,usednthe/didnthe,oughtto,oughtntthey,21,26.He_tellthetruth(不得不),_?27._you_hav