情态动词的特殊用法

1.can,could,beableto•Hewasabletogotothepartyyesterdayeveningandheenjoyedhimselfverymuch.•Hedidn’tagreewithmeatfirstbutIwasabletopersuadehim.•注：beableto=managetodo/succeedindoing设法做成某事，与can不同。Exe.1•Thecarfellintotheditch,butthedriver________getoutofit.•Thedriver______getoutofhiscarquicklyiftherewasanaccident.•Theship_______gettoAntarcticainspiteofthebadweather.•Theship_____gettoanyportintheworld.wasabletocouldwasabletocould•SARScanbeverydangerous.•Hecanbeveryfriendlyattimes.•Theroadcanbeblocked.•Ourhouseisonthetopofthehill,andinwinterthewindscanbeprettycold.•注：canbe用于推测某人或某物一时的情况。意为“有时候会……”2.May,might•*Youmayaswellgivehimtheletter.•*Youmightaswellstayathometonight.•注=hadbetter最好，用于提出建议。•*Youmightaswellthrowthemoneyawayaslendittohim.•*Onemayaswellnotknowathingatallasknowitbutimperfectly.•注：may/mightaswelldoAasdoB意为”与其做B，不如做A。•Ifyoumustsmoke,atleaseyouuseanashtray.•Ifyoumustknow,I’mgoingtohelphimlookforanapartment.•Whymustyoubuythatcar?•WhymustitalwaysrainonSaturday?•Janewasneverapleasantyounggirl.Afteryougaveheryouradvice,shemustgoanddotheopposite.•Thecarmustbreakdownjustwewerestartingourholiday.•*注：意为：偏要，硬要。指不耐烦或令人不愉快的事，或表示固执。Must的否定形式•Itmustbeeleveno’clocknow.•It__________eleveno’clocknow.•Youmusthavemethimbefore.•You_______________himbefore.•注：表推测，其否定为不可能：cannotcannotbecannothavemetMust的否定形式•Wemustgetupatsixtomorrowmorning.•We__________getupatsixtomorrowmorning.•We______________getupatsixtomorrowmorning.•注：表必须，其否定应表示不必：neednotdo或don’thavetodoneednotdon’thavetoMust的否定形式•Youmustparkyourcarhere.•You________parkyourcarhere.•注：表强制或义务，其否定应表示禁止：mustnotdomustnot•Mustwecleanalltherooms?•Yes,you_________.•No,you____________.•No,you____________.mustneednotdon’thavetoshould•Ifinditquiteastonishingthatheshouldbesorudetoyou.•Itisapitythatyoushouldbesocareless.•I’msurprisedthatsheshouldhavedonesuchathing.•Youcan’timaginethatawell-behavedgentlemanshouldbesorudetoalady.•注：表惊讶，忧虑，惋惜等情绪，意为‘竟会，竟然’should•HowshouldIknow?•Whyshouldhepublishsuchabook?•Whoshouldwriteitbuthimself?•注：在疑问句中，常与how,why,who等连用，表示不合理，难于相信或不应该之事。shall•Youshallfailifyoudon’tworkharder.•HeshallhavethebookwhenIfinishreadingit.•Heshallbepunished.•注：表说话人的意愿。•Houseownersshallkeeptheirgardensinaneatandordinarystate.•Eachcitizenshallcarryhisidentificationcardwhentravelling.•注：用在法律，条约，规章等文件中。警告允诺威胁义务规定will•Iwillneverdothatagain.•IwilldoallIcantohelpyou.•Iwon’tletyoudown.•注：表主语的意志，愿望和决心。would•Duringthevacationhewouldvisitmeeveryweek.•Everymorningthemanwouldsitathisdesk,readingandwriting.•注：=usedto表示过去反复发生的动作或倾向。情态动词+完成时•couldhavedone本来可以做•cannot/couldnothavedone不可能做•may/mighthavedone可能会做•musthavedone一定已做•needn’thavedone本不必做•（didn’tneedtodo:过去没必要做）•should/oughttohavedone本应该做•常见的情态动词表达法与考点：（注意人称,肯定句与否定句的各自习惯用法）1表能力can,could,beableto,2表请求can,could,shall,may,will,would,must3表允诺，许可can,may,shall,4表可能性should,oughtto5表必需，不得不,不必要must,mustn’t,don’thaveto,haveto,needn’t6表建议should,shouldn’t,oughtto,oughtnotto,may,must7表习性will,would,won’twouldn’t8表肯定推测mustbe,maybe,musthavedone,couldhavedone,may/mighthavedone9表疑问性推测Can…be…?Can…havedone…?10表该做而实际没做shouldhavedone/oughttohavedone11表做了不该做的事，做了不必做的事，shouldn’thavedone,needn’thavedone12表祝愿Mayyou+原形动词！Mayyoubelucky!Mayyousucceed!•1.should①万一；②竟然•Ifyoushouldchangeyourmind,pleaseletmeknow.•—Youshouldn’thavecheatedintheexam.•—I’msorryyoushouldthinkso.•2.must偏偏，非要•Youcanhaveadayoff,ifyoumust.•3.can有时会•ItcanbeveryhotinTaianinMarch.•4.may但愿•Mayourfriendshiplastforever.•5.shall必须，一定•Candidatesshallremainintheirseatsuntilallthepapershavebeencollected.•6.will①愿意；②（习惯）总是•Ifyouwillgototheparty,I’llgowithyou.•Shewilllistentomusic,aloneinherroomforhours.•7.would（习惯）过去常常•Hewouldsittherereadingforhours.••点击:427评论:0查看更多文章•评论列表•暂无数据•共0条，当前第1页首页上一页1下一页末页•本次研修共有班级数：1140学员数：103479作业数：852672评论数：15578300最后统计时间：2012/3/710:25:34