人教新課標(biāo)必修三 Unit 2 語(yǔ)法輔導(dǎo)課件-Modal verbs課件

IWantToBeWithYouTherearethingsthat______bedoneThatarenotyetbegunThingsthatI______doWhenIwanttobewithyouAlthoughwe______befarapartYou______bewithbeinmyheartNooneelse______doIjustwanttobewithyoumustmustwillwillwillIwanttobewithyou______youhearme?IneedyounearmeIwanttobewithyouIneedyounearme,myloveCan’tThetwoofus______beoneMotherofmysonNooneelse______doIjustwanttobewithyouIwanttobewithyou_____youhearme?IneedyounearmeIwanttobewithyouIneedyounearme,mylovewillmustCanDiscoveringusefulstructures

---ModalVerbsFunctionsofModalVerbs(p5)AbilityAdviceAgreementGuessingPasthabitNecessityPermissionPossibilityPredictionPromiseRequest(1)表示能力(ability)CanyouspeakJapanese?Shecouldplaythepianowhenshewas6.*beableto①tense②gainthroughhardworkThegirlwill

beableto

speakEnglishwell

inafewmonths.IcouldswimwhenIwasonly6.1.can/could(2)表示允許(許可或請(qǐng)求許可）(permission/request)--Can/CouldIgonow?--Youcangonow,buthecan’t.Iampolite~Whenyouask,Iamtheoneyouwant~requestpermission(3)表示理論上或習(xí)慣上的可能性（肯定句）E.g.1Itcanbequitecoldhereinwinter.E.g.2Accidentscanhappenatanytime.E.g.3Itcouldbeveryexcitingtogooutforadrive.possibility(4)推測(cè)（guessing）（can限于否定句，疑問(wèn)句，could不受此限）E.g.A:Someoneiscoming!Whocanitbe?B:ItcouldbeJohn.C:Itcan’tbehim.B:Well.Itcouldn’tbehim.Iampolite~Conclusion1Can/could(1)表示能力(ability)(2)表示允許(許可或請(qǐng)求許可)(3)表示理論上或習(xí)慣上的可能性(肯定句)(4)推測(cè)(guessing)（can限于否定句，疑問(wèn)句，could不受此限）could可表示能力或可能性，多用于過(guò)去，也可指現(xiàn)在，通常表示虛擬或作為can的委婉形式。Tips1.慣用形式“cannot…too…”表示“無(wú)論怎么……也不（過(guò)分）”。如：Youcannotbetoocareful.你越小心越好。2.慣用形式“cannotbut+不定式（不帶to）”表示“不得不，只好”。如：Icannotbutadmireherdetermination.我不得不欽佩你的決心。

2.may/might(1)表示請(qǐng)求、許可(requestorpermission)--May/MightIaskyouaquestion?--Yes,youmay./Yes,youcan./Yes,please.--No,youcan’t./No,youmustn’t.Iampolite~Ifyoumustask,well,donotchoose“might”.(2)表示愿望(wish)Mayyoubehappyallyourlife.MayGodblessyou!Mayyousucceed.Maysb(verb)…!(3)表示推測(cè)(possibility),多用于肯定句和否定句might比may可能性更小Itmay/maynotbetrue.Hemight/mightnotcometoday.Conclusion2may/might(1)表示請(qǐng)求、許可(requestorpermission)(2)表示愿望(wish)(3)表示推測(cè)(possibility),多用于肯定句和否定句，might比may可能性更小Tips慣用句式：“mayaswell或might(just)aswell+動(dòng)詞原形”意為“最好，滿可以，倒不如”，相當(dāng)于“hadbetter”.Youmayaswelltellusnow,we’llfindoutsoonerorlater.Thereisnothingtodo,soImayaswellgotobed.3.will/would(1)表示請(qǐng)求、建議等(request，adviceetc)WillyouhelpmewithmyEnglish?Wouldyoupassmethebook?Iampolite~(2)表示意志，愿望，決心等。（willingness）will表示現(xiàn)在的意愿，would表示過(guò)去的意愿Gowhereyouwill.

SheaskedifIwouldgowiththem.Iwillneverdothatagain.NomatterwhatIsaid,hewon’tlistentome.不樂(lè)意，不肯(3)表示習(xí)慣,傾向性,固有性質(zhì)。will表示現(xiàn)在的習(xí)慣，would表示過(guò)去的習(xí)慣(=usedtodo)。Oilwillfloatonwater.Everydayhewillsittheredoingnothing.Whenhewasachild,hewouldoftengoskiing.*usedtodoHeusdtoliveinParis,butnowhelivesinBeijing.(4)表示功能?！澳?，行”Thedoorwon’topen.

Thepenwon’t

write.Conclusion3will/would(1)表示請(qǐng)求、建議等(request，adviceetc)(2)表示意志，愿望，決心等（willingness）。will表示現(xiàn)在的意愿，would表示過(guò)去的意愿(3)表示習(xí)慣,傾向性,固有性質(zhì)。will表示現(xiàn)在的習(xí)慣，would表示過(guò)去的習(xí)慣(=usedtodo)。(4)表示功能?！澳?，行”4.1shall(1)用于第一、第三人稱(chēng)，表征求對(duì)方意見(jiàn)或請(qǐng)示(advice，permission)Shall

wegooutandhaveapicnic?Whenshall

hebeabletoleavethehospital?

shall(2)用于第二、第三人稱(chēng)，表說(shuō)話人的命令、警告、允諾、威脅等強(qiáng)烈意志和決心(determination)You

shallfailifyoudon’tworkharder.He

shallhavethebookwhenIfinishreading.Don’tgoanywhereelsewithoutmypermission.You

shallgowithme.警告warning允諾promise命令orderTip（2）*表示強(qiáng)制，用于法令、條約、規(guī)章中，意為“必須，應(yīng)該”。1.Candidatesshallremainintheirseatsuntilallthepapershavebeencollected.

試卷完全收回后，應(yīng)試人才能離開(kāi)座位。2.AndshewillbringforthaSon,andyoushallcallHisnameJESUS,forHewillsaveHispeoplefromtheirsins.她將要生一個(gè)兒子，你要給他起名叫耶穌，因他要將自己的百姓從罪惡里救出來(lái)。（fromBible）Conclusion4(1)用于第一、第三人稱(chēng)，表征求對(duì)方意見(jiàn)或請(qǐng)示(advice，permission)(2)用于第二、第三人稱(chēng)，表說(shuō)話人的命令、警告、允諾、威脅等強(qiáng)烈意志和決心(determination)（2）*表示強(qiáng)制，用于法令、條約、規(guī)章中，意為“必須，應(yīng)該”。4.2should(1)表勸告、建議、命令(advice，order)（=oughtto）Yousouldgototheclassrightnow.should(2)表惋惜、憂慮、詫異等感情色彩（emotion）It’sapitythatheshouldleavesosoon.Idon’tknowwhyyoushouldthinkthatIdidit.疑問(wèn)句，感嘆句中HowshouldIknow?Whyshouldyoubesorudetoday?should(3)表婉轉(zhuǎn)語(yǔ)氣（politeness），與say，think，advise等搭配Ishouldadviseyounottodothat.Ishouldsayyourhomeworkisnotsatisfyingenough.should(4)表推測(cè),”應(yīng)該，很可能”It’s5o’clock.Thedinnershouldbeready.Theyshouldhavearrivedbynow.Conclusion5Should(1)表勸告、建議、命令(advice，order)（=oughtto）(2)表惋惜、憂慮、詫異等感情色彩（emotion）(3)表婉轉(zhuǎn)語(yǔ)氣（politeness），與say，think，advise等搭配(4)表推測(cè),”應(yīng)該，可能”5.must(1)表示“必須，應(yīng)該”之意(necessity)，語(yǔ)氣比should，oughtto強(qiáng)烈。mustn’t表示“不準(zhǔn)，不應(yīng)該，禁止”等意Everybodymustobeythelaw.Youmustn’tdrivesofastinthestreet.mustn’t--MustIstandheretalkingtoyou?--Yes,_____________--No,_____________youmustyouneedn’t/youdon’thavetomust*havetoImustdomyhomeworknow.Ihavetodomyhomeworkeveryday.Thefilmisnotinteresting.Ireallymustgonow.Ihavetogonow,becausemymotherisinhospital.①must表示的是說(shuō)話人的主觀看法，而haveto則往往強(qiáng)調(diào)客觀需要。②haveto涉及各種人稱(chēng)、時(shí)態(tài)等方面的變化形式。③don’thavetovsmustn’te.g.1Youdon’thavetodoallthehousework.e.g.2Youmustn’tparkyourcarinthisarea.It’sdangerous.must(2)意為”偏偏“，”非要“，多指令人不快的事Thecarmustbreakdownwheneverythingdidnotgowell.--Howoldareyou,madam?--Ifyoumustknow,I’mtwicemyson’sage.(3)表有把握的推測(cè),”一定，準(zhǔn)是”--Listen!Theratmust

bebitingthewall.NowTheremustbeaholeinthewall.--Oh,no!Thefoodismising!Theratmusthavecomeintotheroom!“應(yīng)該”，只有一種形式，to不能省略。ought

to沒(méi)有人稱(chēng)和數(shù)的變化，可以表示現(xiàn)在、將來(lái)或過(guò)去將來(lái)，由時(shí)間狀語(yǔ)或上下文決定。They

ought

to

come

tomorrow.He

thought

that

they

ought

to

take

part

in

the

design.

6.oughttoought的否定形式由直接加not構(gòu)成，疑問(wèn)式將ought提到句首構(gòu)成。

He

ought

not

to

do

it.=He

oughtn’t

to

do

it.

Ought

we

to

do

it

at

once?

在反意疑問(wèn)句里，下面兩種形式都可以：

He

ought

to

be

here,

shouldn’t

he?

He

ought

to

be

here,

oughtn’t

he?(1)意為”應(yīng)該”，表示責(zé)任、義務(wù)、勸告、建議、命令，與should意義相近，但oughtto語(yǔ)氣強(qiáng)烈。反映客觀情況或涉及法律義務(wù)和規(guī)定時(shí)一般用oughttoYoungpeopleshouldlearnhowtousecomputers.

Everycitizenoughttoobeylaw.

Accordingtothelaw,yououghttohelphimgetagoodeducationasyouarehisfather.(2)表猜測(cè)，“應(yīng)該”，“理應(yīng)”Hemustbehomebynow.(斷定他已到家)Heoughttobehomebynow.(不十分肯定)Thisiswheretheoilmustbe.(比較直率)Thisiswheretheoiloughttobe.(比較含蓄)need和dare①情態(tài)動(dòng)詞，主要用于否定句和疑問(wèn)句。②實(shí)義動(dòng)詞，各種句式。①情態(tài)動(dòng)詞+V原1)needYou

needn’t

telephone

him

now.

NeedItelephonehimnow?2)

dareShe

dare

not

go

out

alone

at

night.

How

dare

you

say

I’m

unfair?

7.dare&need—Dareyoutellherthetruth?—Yes,_________.—No,__________.IdareIdaren’t②用作實(shí)義動(dòng)詞

1)needYou

don’t

need

to

do

it

yourself.

Doyouneedtodoityourself?Ajoblikenursingneedspatienceandunderstanding.*needdoing=needtobedone2)dareOnlyafewjournalistsdaredtocoverthestory.Hedidnot

dare(to)lookup.(肯定句中daretodo,否定句中可以省略to)Idaresayhe’llcomeagain.（Idaresay…為固定習(xí)語(yǔ)）

注意對(duì)need問(wèn)句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.No,________________.youmustyouneedn’tyoudon’thavetoneedn’t對(duì)其它情態(tài)動(dòng)詞的回答:--ShallItellJohnaboutit?--No,you__________.--No,you__________.

--Mustwedoitnow?--No,you__________.--No,you__________.needn’tdon’thavetoneedn’tdon’thaveto情態(tài)動(dòng)詞的語(yǔ)法特征情態(tài)動(dòng)詞有一定的意義，表示或暗示某種情緒或態(tài)度，表示可能、建議、愿望、必要、允許、能力等。2.情態(tài)動(dòng)詞沒(méi)有人稱(chēng)和數(shù)的變化，即不隨主語(yǔ)的不同而變化。3.情態(tài)動(dòng)詞不能獨(dú)立使用，必須和實(shí)義動(dòng)詞一起構(gòu)成謂語(yǔ)。4.情態(tài)動(dòng)詞除ought和have外，后面只能接不帶to的不定式。5.

情態(tài)動(dòng)詞沒(méi)有非謂語(yǔ)形式，即沒(méi)有不定式、分詞等形式。

情態(tài)動(dòng)詞+havedone用法1

遺憾，責(zé)備（虛擬）1.could/mighthavedone本能做而沒(méi)有做Ifyouwerenotlazy,youcouldhaveworked

outtheproblem.2.wouldhavedone3.shouldhavedone/oughttohaved