情態(tài)動詞講解課件

一、動詞分類：四種二、情態(tài)動詞特點1.情態(tài)動詞不受主語（單復數(shù)\人稱）影響。2.情態(tài)動詞+動詞原形做謂語。特例：ought

to+動詞原形have

to+動詞原形3.否定式：情態(tài)動詞+not+動詞原形疑問式：情態(tài)動詞+主語+動詞原形…?4.情態(tài)動詞的基本要求：1）有哪些？2）基本意義和特殊用法。情態(tài)動詞講解課件1三、情態(tài)動詞巧妙記憶(一)原形和一般過去式1.can\could2.may\might3.shall\should4.will\would5.have(has)to\hadto（二）無形式變換的1.must2.oughtto三、情態(tài)動詞巧妙記憶(一)原形和一般過去式2（三）既可以做情態(tài)動詞又可以做實義動詞的

dare，need做題時需要分類討論（四）hadbetterusedtowouldrather（三）既可以做情態(tài)動詞又可以做實義動詞的3四、高考情態(tài)動詞考點一shall1）一，三人稱，疑問句，征求對方意見或請求。2）二，三人稱，陳述句,命令,警告,允諾,威脅。3）條約、法律、規(guī)章、預言等文件中，表示義務(wù)、規(guī)定。一二三人稱。四、高考情態(tài)動詞考點一shall42.must1）第二人稱，翻譯成：“偏要，硬要”2）表示推測時，只能用于肯定句。mustbe現(xiàn)在的動作“肯定是……”mustbedoing現(xiàn)在正在進行的動作“現(xiàn)在肯定正在做……”musthavedone過去發(fā)生的事情“過去肯定做了某事”2.must53.can/could1）表示推測時，主要用在否定句或疑問句中。can’tbe\couldn’tbe“肯定不是……”It’ssolate.CanTombereading?Itcan’tbeMary.Shehasfallenill.can/couldnotbedoing“肯定不是正在做……”can/couldnothavedone“過去不可能做某事”Isawhimjustnowsohecouldn’thavegoneabroad.3.can/could62）can/couldhavedone用于肯定句中“本來能做”Youcouldhavehadabettermark.3）---Could(Can)you…?---Yes,Ican(不用could)---MayIuseyourcomputer?---Ofcourseyoucan.2）can/couldhavedone用于肯定句中74)cannot（help\choose）but+動詞原形“不得不，只能”Icannothelpbuttellherthetruth.

cannothelpit“控制不住，沒有辦法”cannot…too……“無論怎樣也不為過”Icannotthankyoutoomuch

cannothelpdoingsth禁不住做某事5）couldn‘t+動詞原形+比較級（再……不過了）Itcouldn'tbebetter.Icouldn'tagreewithyoumore.4)cannot（help\choose）but+動詞84.may/might1)表示推測時，用于陳述句，表示把握不大。

might/may（not）dosth“現(xiàn)在\將來可能（沒）做某事”might\may（not）bedoingsth“現(xiàn)在可能（沒）正在做……”might/mayhavedone“過去可能做了某事”。might/maynothavedone“過去可能沒做某事”。4.may/might9Theymaycomeheretomorrow.Hemightbedoinghishomeworknow.Hemighthavereadaboutthenewsinthenewspaper.2)May+主語+動詞原形。表示祝愿。祝你成功？3）may\mightaswelldosth=hadbetterdosth“最好”Youmayaswellstayathometonight.Theymaycomeheretomorrow.105.mustn’tdo表示“不可以，絕對不能做”don’thavetodo表示“沒有必要做”=don‘tneedtodo=needn’tdo---MustI/he/…?---No,you/he/…needn’t/don’t\doesn’thaveto.(不用mustn’t)6.cando只表示有能力beabletodo有能力并經(jīng)過努力做成了某事。=managetodo=succeedindoing5.mustn’tdo表示“不可以，絕對不能做”117.usedtodo過去常常做，現(xiàn)在不這樣了。

否定式是usedn’ttodo或者didn’tusetodo.疑問式是used+主語todo或者did+主語usetodo8.need\dare1）做情態(tài)動詞常用在否定句和疑問句中2）need引起的疑問句，肯定回答用havetodo或must；否定回答用needn’t或者don’thavetoNeedI/he/…?Yes,you/he/…must.(不用need)

7.usedtodo過去常常做，現(xiàn)在不這樣了。129.will/would1）用于第二人稱表請求，意志，決心，請求。would比will更委婉禮貌。IfyouwillhelpmewithmyEnglish,Iwillbeveryhappy.IpromisedthatIwoulddomybest.2）用于第三人稱表示習慣性動作或者某種傾向。will表現(xiàn)在，would表過去。OnSundays,hewouldgetupearlyandgofishing.9.will/would1310.should表驚異、意外等情緒,常譯為“竟然”。11.“祈使句＋附加問句”結(jié)構(gòu)，附加問句常用willyou形式。Standstill,willyou?12.oughtto（客觀看法）比shoulddo（主觀看法）語氣強烈。都可表示推測（可能性很大）。oughtto的否定式是oughtnotto=oughtn’tto疑問式是ought+主語+todosth13.If+主語+should,祈使句。禮貌地提出建議。Ifyoushouldseehim,pleasegivehimmyregards.10.should表驚異、意外等情緒,常譯為“竟然”。14考點一練習1.“Theinterest__bedividedintofiveparts,accordingtotheagreementmadebybothsides.”declaredthejudge.A.mayB.shouldC.mustD.shall2.---Theroomissodirty.___wecleanit?---Ofcourse.A.WillB.ShallC.WouldD.Do考點一練習1.“Theinterest__bediv153.----Whatdoesthesignoverthereread?----"Noperson______smokeorcarryalightedcigarette，cigarorpipeinthisarea．"A．will

B．may

C．shall

D.must4.John,lookatthetime._______youplaythepianoatsuchalatehour？A.MustB.CanC.MayD.Need5.Youcan’timaginethatawell-behavedgentleman____besorudetoalady.mightB.needC.shouldD.would3.----Whatdoesthesignove16考點二：情態(tài)動詞+have+v-ed

都是與過去行為有關(guān)一）表示對過去發(fā)生事情的推測1.musthavedone2.might/mayhavedone3.might/maynothavedone4.can/couldnothavedone

考點二：情態(tài)動詞+have+v-ed

都是與過去行為有關(guān)17二）本來……，卻（沒有)…….1.couldhavedone2.oughtto\shouldhavedone3.oughtnotto\shouldnothavedone4.needn'thavedoneneedhavedone5.willhavedone情態(tài)動詞講解課件18情態(tài)動詞+have+v-ed練習1.Mr.White____at8：30forthemeeting，buthedidn‘t’showup.

shouldhavearrivedB.shouldarriveC.shouldhavehadarrivedD.shouldbearriving2.—Tomtookawayourteacher‘scellphonewithoutbeingpermitted.—Really？Ican’timaginethathe____havedonesuchathing.A.must

B.may

C.can

D.should情態(tài)動詞+have+v-ed練習1.Mr.White193.Ihavelostoneofmygloves.I_itsomewhere.

mustdrop

B.musthavedroppedC.mustbedropping

D.musthavebeendropped4.I_______havebeenmorethansixyearsoldwhentheaccidenthappened.A.shouldn't

B.couldn't

C.mustn't

D.needn't3.Ihavelostoneofmyglove205.

We

____haveprovedgreatadventurers，butwehavedonethegreatestmarchevermadeinthepasttenyears.

A.needn‘t

B.maynot

C.shouldn’t

D.mustn‘t

6.—IstayedatahotelwhileinNewYork.—Oh,didyou?You＿withBarbara.

A.couldhavestayed

B.couldstayC.wouldstay

D.musthavestayed5.We

____haveprovedgreatad217.Theweatherturnedouttobefineyesterday.I__thetroubletocarrymyumbrellawithme.A.shouldhavetaken

B.couldhavetakenC.needn'thavetaken

D.mustn'thavetaken8.Hepaidforaseat,whenhe__haveenteredfree.A.could

B.would

C.must

D.need7.Theweatherturnedouttob229.Ididn‘tseeherinthemeetingroomthismorning.She

atthemeeting.mustn’thavespoken

B.mightn’thavespokenC.can’thavespoken

D.shouldn’thavespoken10.Hedidn'tdowellintheexam.He___hardathislessons.musthaveworkedB.oughttohaveworkedC.wouldhaveworkedD.hasworked9.Ididn‘tseeherinthemee23

高考考題典型題目1.Ithoughtyou_____likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.wouldD.must2.Whereismypen?I____it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelost3.Ididn’thearthephone.I___asleepA.mustbeB.musthavebeenC.shouldbeD.shouldhavebeenBD

B高考考題244.---Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.----It____acomfortablejourneyA.can’tbeB.shouldn’tbeC.mustn’thavebeenD.couldn’thavebeen5.It’snearlyseveno’clock.Jack___behereatanymoment.A.mustB.needC.shouldD.could

DC4.---Therewerealreadyfive256.---Didthetrainarriveintime?----No.It_______twohoursago.A.musthavearrivedB.oughttohavearrivedC.mustarriveD.oughttoarrive7."MustIdrivetohishouseandpickupthechildren?"

"No,

."

A.youshouldn't

B.youmightnot

C.youneedn't

D.youmustn'tBC6.---Didthetrainarrivein268.Wedidn'tseeTomatthemeetingyesterday.He

it.

A.mustn'thaveattended

B.cannothaveattended

C.needn'thaveattended

D.wouldhavenotattendedB9.Thereissomeoneknockingatthedoor.

itbeTom?

A.can

B.must

C.should

D.oughttoA8.Wedidn'tseeTomattheme2710.Twoyearsago,myhusbandboughtmeabicycle.Ifyouliveintown,itisoftenfasterthanacarandyou

worryaboutparking.

A.mustnot

B.maynot

C.shouldnot

D.don'thavetoD

11.You_____suchalongcomposition.Theteacheronlyaskedfor300words.Youhavewritten600.A.mustn’thavewrittenB.couldn’thavewrittenC.needn’thavewrittenD.donothavetowriteC10.Twoyearsago,myhusband28鞏固練習

1.Oh,I’mnotfeelingwellinthestomach.I____somuchfriedchickenjustnow.A.shouldn’teatB.shouldn’thaveeatenC.mustn’teatD.mustn’thaveeaten2.---Whyhasn’tJanearrivedyet?---She____againinthemorning?A.shouldn’thaveoversleptB.mayhaveturnedoffthealarmclockC.musthavenoonetocallherD.shouldhavesomeonetowakeherup3.---Didyougotothemoviethedaybeforeyesterday?----No.We___,butwedecidednotto.A.shouldhavegoneB.couldgoC.shouldgoD.couldhavegoneBBA鞏固練習1.Oh,I’mnotfeeling294.Asitturnedouttobeasmallhouseparty,we____soformally.needn’tdressB.didn’thavetodressupC.MightnothavedressedupD.needn’thavedressedup5.I’mrathersurprisedyouhaven’treportedhimtoyourteacher.Inmyopinion,you___thisassoonasyoufoundouthewascheating.musthavedoneB.mighthavedoneC.shouldhavedoneD.couldhavedoneDC4.Asitturnedouttobeasma302.Iwonderhowhe____thattotheteacher.A.daretosayB.daresayingC.notdaresayD.daredsayD4.Asitturnedouttobeasmallhouseparty,we____soformally.Aneedn’tdressB.didn’thavetodressupC.MightnothavedressedupD.needn’thavedressedupD2.Iwonderhowhe____thattot311．Theflowerisdead.I_______ityesterday.A．shouldwaterB．mustwaterC．shouldhavewateredD．mustn’thavewatered2．WhattimeoughtI_______?A．a(chǎn)rrivedB．a(chǎn)rrivingC．a(chǎn)rriveD．toarrive3．He_______speaktohismotherlikethat.A．oughtnottoB．doesn’toughttoC．notoughttoD．oughttonot4．Idon’tthinkwe’dbetter_______itanymore.A．discussB．discussingC．todiscussD．discussed5．Yououghtto_______him,butyoudidn’t.A．helpB．helpedC．helpingD．havehelpedC

D

A

A

D

1．Theflowerisdead.I______32一、動詞分類：四種二、情態(tài)動詞特點1.情態(tài)動詞不受主語（單復數(shù)\人稱）影響。2.情態(tài)動詞+動詞原形做謂語。特例：ought

to+動詞原形have

to+動詞原形3.否定式：情態(tài)動詞+not+動詞原形疑問式：情態(tài)動詞+主語+動詞原形…?4.情態(tài)動詞的基本要求：1）有哪些？2）基本意義和特殊用法。情態(tài)動詞講解課件33三、情態(tài)動詞巧妙記憶(一)原形和一般過去式1.can\could2.may\might3.shall\should4.will\would5.have(has)to\hadto（二）無形式變換的1.must2.oughtto三、情態(tài)動詞巧妙記憶(一)原形和一般過去式34（三）既可以做情態(tài)動詞又可以做實義動詞的

dare，need做題時需要分類討論（四）hadbetterusedtowouldrather（三）既可以做情態(tài)動詞又可以做實義動詞的35四、高考情態(tài)動詞考點一shall1）一，三人稱，疑問句，征求對方意見或請求。2）二，三人稱，陳述句,命令,警告,允諾,威脅。3）條約、法律、規(guī)章、預言等文件中，表示義務(wù)、規(guī)定。一二三人稱。四、高考情態(tài)動詞考點一shall362.must1）第二人稱，翻譯成：“偏要，硬要”2）表示推測時，只能用于肯定句。mustbe現(xiàn)在的動作“肯定是……”mustbedoing現(xiàn)在正在進行的動作“現(xiàn)在肯定正在做……”musthavedone過去發(fā)生的事情“過去肯定做了某事”2.must373.can/could1）表示推測時，主要用在否定句或疑問句中。can’tbe\couldn’tbe“肯定不是……”It’ssolate.CanTombereading?Itcan’tbeMary.Shehasfallenill.can/couldnotbedoing“肯定不是正在做……”can/couldnothavedone“過去不可能做某事”Isawhimjustnowsohecouldn’thavegoneabroad.3.can/could382）can/couldhavedone用于肯定句中“本來能做”Youcouldhavehadabettermark.3）---Could(Can)you…?---Yes,Ican(不用could)---MayIuseyourcomputer?---Ofcourseyoucan.2）can/couldhavedone用于肯定句中394)cannot（help\choose）but+動詞原形“不得不，只能”Icannothelpbuttellherthetruth.

cannothelpit“控制不住，沒有辦法”cannot…too……“無論怎樣也不為過”Icannotthankyoutoomuch

cannothelpdoingsth禁不住做某事5）couldn‘t+動詞原形+比較級（再……不過了）Itcouldn'tbebetter.Icouldn'tagreewithyoumore.4)cannot（help\choose）but+動詞404.may/might1)表示推測時，用于陳述句，表示把握不大。

might/may（not）dosth“現(xiàn)在\將來可能（沒）做某事”might\may（not）bedoingsth“現(xiàn)在可能（沒）正在做……”might/mayhavedone“過去可能做了某事”。might/maynothavedone“過去可能沒做某事”。4.may/might41Theymaycomeheretomorrow.Hemightbedoinghishomeworknow.Hemighthavereadaboutthenewsinthenewspaper.2)May+主語+動詞原形。表示祝愿。祝你成功？3）may\mightaswelldosth=hadbetterdosth“最好”Youmayaswellstayathometonight.Theymaycomeheretomorrow.425.mustn’tdo表示“不可以，絕對不能做”don’thavetodo表示“沒有必要做”=don‘tneedtodo=needn’tdo---MustI/he/…?---No,you/he/…needn’t/don’t\doesn’thaveto.(不用mustn’t)6.cando只表示有能力beabletodo有能力并經(jīng)過努力做成了某事。=managetodo=succeedindoing5.mustn’tdo表示“不可以，絕對不能做”437.usedtodo過去常常做，現(xiàn)在不這樣了。

否定式是usedn’ttodo或者didn’tusetodo.疑問式是used+主語todo或者did+主語usetodo8.need\dare1）做情態(tài)動詞常用在否定句和疑問句中2）need引起的疑問句，肯定回答用havetodo或must；否定回答用needn’t或者don’thavetoNeedI/he/…?Yes,you/he/…must.(不用need)

7.usedtodo過去常常做，現(xiàn)在不這樣了。449.will/would1）用于第二人稱表請求，意志，決心，請求。would比will更委婉禮貌。IfyouwillhelpmewithmyEnglish,Iwillbeveryhappy.IpromisedthatIwoulddomybest.2）用于第三人稱表示習慣性動作或者某種傾向。will表現(xiàn)在，would表過去。OnSundays,hewouldgetupearlyandgofishing.9.will/would4510.should表驚異、意外等情緒,常譯為“竟然”。11.“祈使句＋附加問句”結(jié)構(gòu)，附加問句常用willyou形式。Standstill,willyou?12.oughtto（客觀看法）比shoulddo（主觀看法）語氣強烈。都可表示推測（可能性很大）。oughtto的否定式是oughtnotto=oughtn’tto疑問式是ought+主語+todosth13.If+主語+should,祈使句。禮貌地提出建議。Ifyoushouldseehim,pleasegivehimmyregards.10.should表驚異、意外等情緒,常譯為“竟然”。46考點一練習1.“Theinterest__bedividedintofiveparts,accordingtotheagreementmadebybothsides.”declaredthejudge.A.mayB.shouldC.mustD.shall2.---Theroomissodirty.___wecleanit?---Ofcourse.A.WillB.ShallC.WouldD.Do考點一練習1.“Theinterest__bediv473.----Whatdoesthesignoverthereread?----"Noperson______smokeorcarryalightedcigarette，cigarorpipeinthisarea．"A．will

B．may

C．shall

D.must4.John,lookatthetime._______youplaythepianoatsuchalatehour？A.MustB.CanC.MayD.Need5.Youcan’timaginethatawell-behavedgentleman____besorudetoalady.mightB.needC.shouldD.would3.----Whatdoesthesignove48考點二：情態(tài)動詞+have+v-ed

都是與過去行為有關(guān)一）表示對過去發(fā)生事情的推測1.musthavedone2.might/mayhavedone3.might/maynothavedone4.can/couldnothavedone

考點二：情態(tài)動詞+have+v-ed

都是與過去行為有關(guān)49二）本來……，卻（沒有)…….1.couldhavedone2.oughtto\shouldhavedone3.oughtnotto\shouldnothavedone4.needn'thavedoneneedhavedone5.willhavedone情態(tài)動詞講解課件50情態(tài)動詞+have+v-ed練習1.Mr.White____at8：30forthemeeting，buthedidn‘t’showup.

shouldhavearrivedB.shouldarriveC.shouldhavehadarrivedD.shouldbearriving2.—Tomtookawayourteacher‘scellphonewithoutbeingpermitted.—Really？Ican’timaginethathe____havedonesuchathing.A.must

B.may

C.can

D.should情態(tài)動詞+have+v-ed練習1.Mr.White513.Ihavelostoneofmygloves.I_itsomewhere.

mustdrop

B.musthavedroppedC.mustbedropping

D.musthavebeendropped4.I_______havebeenmorethansixyearsoldwhentheaccidenthappened.A.shouldn't

B.couldn't

C.mustn't

D.needn't3.Ihavelostoneofmyglove525.

We

____haveprovedgreatadventurers，butwehavedonethegreatestmarchevermadeinthepasttenyears.

A.needn‘t

B.maynot

C.shouldn’t

D.mustn‘t

6.—IstayedatahotelwhileinNewYork.—Oh,didyou?You＿withBarbara.

A.couldhavestayed

B.couldstayC.wouldstay

D.musthavestayed5.We

____haveprovedgreatad537.Theweatherturnedouttobefineyesterday.I__thetroubletocarrymyumbrellawithme.A.shouldhavetaken

B.couldhavetakenC.needn'thavetaken

D.mustn'thavetaken8.Hepaidforaseat,whenhe__haveenteredfree.A.could

B.would

C.must

D.need7.Theweatherturnedouttob549.Ididn‘tseeherinthemeetingroomthismorning.She

atthemeeting.mustn’thavespoken

B.mightn’thavespokenC.can’thavespoken

D.shouldn’thavespoken10.Hedidn'tdowellintheexam.He___hardathislessons.musthaveworkedB.oughttohaveworkedC.wouldhaveworkedD.hasworked9.Ididn‘tseeherinthemee55

高考考題典型題目1.Ithoughtyou_____likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.wouldD.must2.Whereismypen?I____it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelost3.Ididn’thearthephone.I___asleepA.mustbeB.musthavebeenC.shouldbeD.shouldhavebeenBD

B高考考題564.---Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.----It____acomfortablejourneyA.can’tbeB.shouldn’tbeC.mustn’thavebeenD.couldn’thavebeen5.It’snearlyseveno’clock.Jack___behereatanymoment.A.mustB.needC.shouldD.could

DC4.---Therewerealreadyfive576.---Didthetrainarriveintime?----No.It_______twohoursago.A.musthavearrivedB.oughttohavearrivedC.mustarriveD.oughttoarrive7."MustIdrivetohishouseandpickupthechildren?"

"No,

."

A.youshouldn't

B.youmightnot

C.youneedn't

D.youmustn'tBC6.---Didthetrainarrivein588.Wedidn'tseeTomatthemeetingyesterday.He

it.

A.mustn'thaveattended

B.cannothaveattended

C.needn'thaveattended

D.wouldhavenotattendedB9.Thereissomeoneknockingatthedoor.

itbeTom?

A.can

B.must

C.should

D.oughttoA8.Wedidn'tseeTomattheme5910.Twoyearsago,myhusbandboughtmeabicycle.Ifyouliveintown,itisoftenfasterthanacarandyou

worryaboutparking.

A.mustnot

B.maynot

C.shouldnot

D.don'thavetoD

11.You_____suchalongcomposition.Theteacheronlyaskedfor300words.Youhavewritten600.A.mustn’thavewrittenB.couldn’thavewrittenC.needn’thavewritten