情态动词大全

12情态动词有哪些?1.can/may/must/will/shall/should/oughtto2.need/dare3.hadbetter/wouldrather,usedto/haveto/beableto3情态动词的含义序号原形过去式主要含义1cancould2maymight3mustmusthadto4needneeded5daredared6willwould7shallshould1.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序号原形过去式主要用法8beabletowas/wereableto9havetohadto10oughttooughtto11usedto12hadbetter13wouldrather“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.Youmustn’tsmokehere.Hedarenotspeaktoyou.Youneedn’tgonow.Willyouhelpme？Hemightcome,butI’mnotsure.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1.过去式并不一定表示过去：can//could;may//mightCouldyoucomeearliertomorrow?(请求)Shemightberight.(推测)2.MayI//we…..问句的回答：--Might/MayIwatchTVnow?--Yes,youcan/may.(或：Yes,pleasedo.)--May/MightItakethisbookoutoftheroom?--No,youcan’t/mustn’t.(或：No,you’dbetternot.)3.MustI//we//he…问句的否定回答：No,….needn’t//don’thaveto*mustn’t的含义：表“禁止”“不允许”74.情态动词表推测时应注意的几个问题:1)完全否定推测用can’tbe（“不可能”）:肯定推测用mustbe（“肯定，一定”）Hecan’tbePeter.Peterhasgoneabroad.2)疑问句中的推测用can…be:CanitbeTomwhodidit?3)mustbedoing:对正在发生的动作的肯定推测：Itiseighto’clock.HemustbewatchingTVnow.4)musthavedone:对已发生的动作的肯定推测：Itiswetoutside.Itmusthaverainedlastnight.81.-----Whoiscrying?-----It________beTom.He’sjustlostthegame.2.----Whoiscrying?____itbeTom?----No,it_______behim.Ijustheardhimsinginginthestreet.3.Heisblackandblueallover.Hisfather_________________(beat)him.4.Thetrainstartedanhourago.Nowit_________________(travel)onthegreatplain.mustCancan’tmusthavebeatenmustbetravelling95.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,_____________?isn’the?haven’tyoudidn’titaren’tthey106.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）shouldn’t/oughtn’thavedone(本不该做而实际做了）couldhavedone（本可以做成而实际上没）needn’thavedone（本不必做而实际上却做了）1)Whyareyoudoingyourhomeworknow?Youshouldhavedoneitbeforeclass.2)Youshouldn’thavetoldhimaboutit.Itmayhurthim.3)Youarelate.Yououghttohavecomeearlier.4)Youcouldhavepassedtheexamifyouhadbeencarefulenough.5)Youneedn’thavetoldherthenews,forIhadtoldherearlier.117.shall,will,would用法：ShallIturnonthelight,madam?(征求意见)Whatshallwedonow?(征求意见)Iwon’tseehimanymore.(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:usedn’tto/didn’tuseto129.dare和need既可以作情态动词用,又可以作实义动词用1)Idaresay……2)Howdareyousaythattome?3)--Darehegoalone?--No,hedarenot.4)--Doeshedaretogoalone?--No,hedoesn’t.5)--Needhedoitnow?Noheneedn’t.(Yes,hemust)6)--Doesheneedtogothereatonce?Yes,hedoes*作情态动词用时没有人称的变化She______(dare/dares)notgotherealone.=She__(darenot/doesn’tdare)togotherealone.13141.(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）canbemustbecan’tbemaybe152.It_________________lastnight,forthegroundiswet.（昨晚肯定下雨了）3.---WhereisMary?---She____________tothelibrary.（肯定去图书馆了）---She_____________tothelibrary.Isawhimintheteachers’office.（不可能去图书馆）musthaverainedmusthavegonecan’thavegone164.---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）mayhavegoneshouldhavehandedinshouldn’thavescolded177.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）needn’thavegonecouldhavedoneMayshall1811._____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）Maymaymustn’tMustneedn’tmustDaredaredarenotdon’tdareto1916.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）needn’tdon’tneedtomaymaynothavetowereableto2021.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）___________?couldhadbetterwouldratherthanusedtousedn’the/didn’theoughttooughtn’tthey2126.He__________tellthetruth(不得不),__________?27._____you________haveanothercupofcoffee?（想再喝一杯咖啡吗？）28.Hesaidthestory________true.（不可能是真的）29.MustIgohomenow?Yes,you_____,(No,you________.)30.Ourteacherisnotinheroffice,she____________tothelibrary.（也许去了）hastodoesn’theWouldliketocouldn’tbemustneedn’tmayhavegone