高考英语情态动词必备知识点Ifwintercomes,_____springbefarbehind?canHaveatry努力不一定会成功，不努力肯定不能成功。One________succeedbyatry,buthe_____succeedwithoutatry.maynotcan’t情态动词(modalverb)?can/could/beableto,may/might,should/oughtto/haveto/must,dare/need,will/shall,would/usedto,hadbetter,wouldrather,wouldlike/shouldlove情态动词的特点情态动词有一定的意义无人称和数的变化除ought和have外，通常不带to,后接动词原形表示说话人的语气或情绪1.—Ihaven’tgotthereferencebookyet,butIwillhaveatestonthesubjectnextmonth.--Don’tworry.YouhaveitbyFriday.高考真题show:考查情态动词的特殊用法2.—Whohasbrokenthewindowinmyroom?---Whoelseitbutyournaughtyboy?考查情态动词表推测3.ButforthehelpofmyEnglishteacher,I(win)thefirstprizeintheEnglishWritingCompetition.考查情态动词在虚拟语气中的运用4.Whatdoyouthinkofthebook?Itbebetter.Ievenwanttoreadittwice.考查情态动词的特殊用法5.Justbepatient.Youexpecttheworldtochangesosoon.考查情态动词的基本词义情态动词命题角度1.情态动词词义2.情态动词用于推测3.情态动词特殊用法及固定句型4.虚拟语气句型的应用推测句型用法表情态动词含义适用句型May/might可能，或许肯定句，否定句Can/could可能，或许否定句，疑问句Must一定，必须肯定句不可能可能不高考能力要求：情态动词对将来对现在对过去肯定的推测+V.常见mustbe+V.+bedoing+havedone可能的推测+V.+V.+bedoing+havedone否定的推测+V.+V.+bedoing+havedone疑问的推测+V.+V.+bedoing+havedonemustmay,mightcan’t,couldn’tcan,couldcan/couldhavedoneshould/oughttohavedoneneedn’thavedone情态动词在一般疑问句的问与答:1.MayIcomein?2.MustIdoitnow?｛｛Yes,youmay/certainlypleaseNo,youmustn’t./Pleasedon’t.Yes,youmustNo,youneedn’t./don’thaveto情态动词在一般疑问句的问与答:3.NeedIfinishmyhomeworktoday?Yes,youmust.No,youneedn’t.4.CouldIcometoseeyoutomorrow?Yes,youcan./No,I’mafraidnot(代替youcan’t更委婉的表拒绝).5.MightI…?Yes,youmay./No,youmaynot.情态动词的特殊用法：1.May祝愿Mayyousucceed..情态动词的特殊用法：3.must.1).John，lookatthetime,mustyouplaythepianoatsuchalatehour？2).CouldIhaveawordwithyou,mum?Oh,dear,ifyoumust.偏偏情态动词的特殊用法：4.Why/How+should…结构表示说话人对某事不理解，感到意外，惊讶等意思。Youcan’timaginethatawell-behavedgentlemanshouldbesorudetoalady.竟然5.Shall的用法：⑴.Shall与一、三人称连用，疑问表请求：Shalltheyoungfellowhaveatry?ShallIhaveasecondtry？⑵.Shall与二、三人称连用表命令、警告、威胁和允诺等：Youshallfailifyoudon’tworkharder.Youshallgooutoftheroomunlessyoustoptalking.Youshallgetariseifyouworkharder.⑶★同时在颁布法律，规定时，也要用shall.6.will的用法：(1)在疑问句中，用于第二人称，用来征询对方意见或请求指示。Willyoupleasedosomeshoppingwithme?(2)用在各人称中，表示“意愿、愿意”。Comeon,children.Iwilltellyouallaboutmystory.(3)用于各人称，表习惯性或规律性，意为“总是、惯于”。Manwilldie.(4)用在Letusdosth.或否定祈使句Don’tdosth.后的反意疑问句中。Letusstartnow,willyou?Don'tshutthedoor,willyou?(5)will的否定式（won’t）还可表示某东西总是或老是有不妙的情况发生（“就是不”….eg.start/close/shut…）。Thedoorwon’tclose.7.dare情态动词的用法Idarenotdothat,orI’llbebeatenbymyfather.注意：㈠dare实义动词的用法：①有人称和数的变化②疑问句与否定式（…notdare..)③搭配:daretodosth★否定句中，常用…notdare(to)dosth.结构Hedidnotdare(to)haveatry.㈡dare情态动词的用法：①.无人称和数的变化②.否定式dare+not+V(动原)(1)“”作需要讲，needsth.Ibadlyneedahaircutnow.(2)某人需要做某事：sb.need.TomorrowisSunday.Youdon’tneedtoar...
