高考情態(tài)動詞考點教學教材

高考情態(tài)動詞考點Mv情態(tài)動詞的個數(shù)（15）（4組）can/could,may/might,shall/should,will/would（4對）haveto,hadbetter,oughtto,usedto（3個）must,need,dare4

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3考點一：情態(tài)動詞的基本用法（一）can/could1.表能夠做某事（具備某種能力）；could主要指過去能夠…Twoeyescanseemorethanone.

Couldthegirlreadbeforeshewenttoschool?

2.表許可；用于疑問句中表請求（could表示的語氣更加委婉）；用于否定句中表不允許。CanIhavealookatyournewpen?

Youcan’twearjeansatwork.3.表可能性或推斷，多用于否定或疑問句中；若用于肯定句中表常有的行為和情形，意為“有時會；時而可能”Thatcan’tbeMary---she’sinNewYork.(用于否定句中表某事肯定不真實。)Hecanbestubbornsometimes.Itcanbecoldhereinwinter.4.表疑惑或驚訝等情緒；意為“究竟能；難道會；到底是”Whatcantheybedoing?他們究竟在干些什么？Wherecanshehaveputit?她到底把它放哪了？（二）must1.must用于肯定句中表說話人的意志或義務；或堅決要求某人做某事；否定mustn’t表禁止Imustgotothebankandgetsomemoney.Carsmustn’tparkinfrontoftheentrance.2.在以must開頭的疑問句中，肯定回答用must;否定回答用needn’t或don’thaveto—Mustwehandinourexercisebooksnow?—Yes,youmust./No,youneedn’t./No,youdon’thaveto.

3.表示可能性或肯定的推斷。意為“想必、準是、一定”等，只用于肯定句。Hemustbeill.Helookssopale.

She’swearingadiamondnecklace.Shemusthavealotofmoney.4.表說話人生氣或不滿的情緒，意為“偏要；非得”----Mustyouinterruptnow?Can’tyouseeI’monthephone?----Sorry,sir,butit’surgent.5.用于短語ifyoumust(dosth)，表雖然不贊同但可允許，意為“如果你一定要的…的話”----CanIsmokehere?----Ifyoumust.（三）will/would

1.表意愿，用于各種人稱的陳述句Iwilldoanythingforyou.Theywon’tlendusanymoremoney.2.表請求允許，用于疑問句Willyousendthisletterforme,please?Wouldyoumindleavingmealoneforafewminutes?3.表習慣Shewilllistentomusic,aloneinherroom,forhours.Hewouldspendhoursonthetelephone.4.主語為物時，多用于否定句中，意為“不起作用”Thedoorwon’topen.（四）may/might

1.表允許，might可以指過去時間，也可指現(xiàn)在時間，語氣更委婉。Youmaytakewhateveryoulike.May(Might)Iaskforaphotoofyourbaby?2.表可能（事實上）。might可以指過去時間，也可以指現(xiàn)在時間，但語氣更加不肯定。Hemaybeathome,butI’mnotsure.

Shemay/mightnotknowaboutit.

3.may還可表祝愿Mayyousucceed!（五）shall

1.shall用于二、三人稱的陳述句，表“命令、威脅、警告、強制、允諾、決心”等YoushalldoasIday.(命令)Youshallhavemyanswertomorrow.(允諾)Nothingshallstopusfromcarryingouttheplan.(決心)2.shall用于一、三人稱的疑問句，表征詢意見或請求允許,多與I或we連用Whatshallwedothisweekend?3.shall常用于主語是第三人稱的條約、法律法規(guī)、規(guī)章制度等文件中表“義務”或“規(guī)定”O(jiān)neofourrulesisthateverystudentshallwearschooluniformwhileatschool.（六）should1.表義務,意為“應該”（某件事宜做），用于各種人稱。Youshouldbepolitetoyourteachers.

Youshouldn’twasteanytime.

2.表推測，意為“想必一定、照說應該、估計”等。Thefilmshouldbeverygoodasitisstarringfirst-classactors.

Theyshouldbehomebynow.

3．（表示不確定）萬一。IfIshouldseehim,I'lltellhim.Ifitshouldraintomorrow,thesportsmeetingwouldbepostponed.4.should可以用來表示意外；常意為“竟然；居然”Ifinditastonishingthatheshouldbesorudetoyou.(七)oughtto表義務，意為“應該”（因責任、義務等該做），口氣比should稍重。Youarehisfather.Yououghttotakecareofhim.Yououghtn’ttosmokesomuch.

（八）usedto\hadbetter\haveto1.usedto表示過去的習慣動作或狀態(tài)（現(xiàn)已不復存在）

Hetoldusheusedtoplayfootballwhenhewasyoung.疑問句:Didyouusetogothere?/Usedyoutogothere?否定句:Ididn’tusetogothere./Iusedn’ttogothere.反意疑問句或簡略回答:Sheusedtobeveryfat,didn’tshe?/usedn’tshe?--Didyouusetoplaychess?--Yes,Idid.--Usedyoutogetupearlyinthemorning?--Yes,Idid./Yes,Iusedto.雙性動詞need,dare,dared

1.need可以作實義動詞或情態(tài)動詞。eg:Weneedtofinishthejobbeforedark.Youneedn’thurryasthere’splentytimeleft.

2.dare,dared可以作實義動詞或情態(tài)動詞。

eg:Hedaredtotravelabroadwhenhewasyoung.Howdareyouletyourlittlechildgooutalone?如何分辨是實意動詞或情態(tài)動詞？有沒有加s；有沒有加助動詞；有沒有加to；有沒有在句首；有沒有加not；

考點二：表推測的情態(tài)動詞

1.對現(xiàn)在或客觀事實的肯定的推測Must：肯定；準是；想必是Should：很可能；應該…。指按常理推測May/might：也許；大概；表示把握不大的推測Can/could：用于疑問句表懷疑----WhatareyoudoingthisSaturday?----I’mnotsure,butImight/maygotothecinema.---Goodmorning.I’vegotanappointmentwithMissSmithinthePersonnelDepartment.---Ah,goodmorning.You______beMrs.PetersA.mightB.mustC.wouldD.can2.對現(xiàn)在情況或客觀事實的否定推測can’t：不可能；推測的語氣相當有把握couldn’t：也可表不可能；語氣較委婉may(might)not:可能不；也許不，表推測的語氣不是很有把握Itcan’tbethepostmanatthedoor.It’sonlyfiveo’clock.3.對過去情況的推測musthavedone:過去一定做過某事can’thavedone/couldn’thavedone:過去不可能做某事can/couldhavedone:過去可能做過某事may/might(not)havedone:過去可能（沒）做過某事Sincenobodygavehimanyhelp,he____havedonetheresearchonhisown.A.canB.mustC.wouldD.needWhyareyoureyessored?You______havesleptwelllastnight.A.can’tB.mustn’tC.needn’tD.won’t三．情態(tài)動詞+havedone的其他用法

should/oughttohavedone表過去本該做…卻沒有做shouldn’t/oughtnottohavedone表過去本不該做…卻做了couldhavedone表本可以/本可能做某事卻沒做mighthavedone

表本可能但實際沒有發(fā)生的事needn’thavedone

表本來不需要做卻做了Hetaughtusduringthelunchbreaksandtheeveningwhenheshouldhaveb