完整word版高中英语情态动词的用法详解Word下载.docx
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完整word版高中英语情态动词的用法详解Word下载.docx
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猜测might比may更加不确定may/mighthavedone对过去的揣测*
Hemaybebusythesedays.
Maynot可能不;
不可能;
一定不可
3表示祝愿
Wishyousuccess!
Mayyousucceed!
*
C:
mustandhaveto
1表示必须;
一定要可以用haveto代替
must现在;
将来的必须而且是主观看法*
haveto有多种时态而且强调客观情况
Ireallymuststopsmokingnow.
IhadtoleaveearlybecauseIwasn’tfeelingwell.
MustIcomehere?
Yes,youmust.No,youneedn’t.needn’t/don’thaveto
mustnot一定不能做某事mustn’t
2must表示推测意思非常肯定“一定是”“一定会”
Itmustberainingoutside.
Musthavedone对过去/完成的推测*
musthavedone,didn’t/hasn’t
Mustbedoing推测现在正在进行
Hemusthavegoneoverthearticle,hasn’the?
Itmusthaverainedlastnight,didn’tit?
D:
needanddare过去时dared
情态动词和实意动词的区别
A人称变化Bdo/todo
C直接否定/间接否定
can
work
Need/dare肯定句中,实义动词
Sheneedstodoit.Idaretodoit.
使用在否定句,疑问句中,情态动词,实义动词。
Idarenotdoit.
Idon’tdare(to)doit.
Ineednotdoit.
Idon’tneedtodoit.
1need情态动词无时态;
人称的变化多用于疑问句和否定句
Youneedn’ttrytoexplain.
Needn’t=don’thaveto
Needn’thavedonesth过去本不必做某事*
虚拟语气
2need实义动词有时态;
人称的变化后接todo
Youneedtotellusthetruth.
Thecarneedsrepairing.Thecarneedstoberepaired.
3dare情态动词过去时dared无人称的变化多用在疑问句和否定句
Darehetellthemwhatheknows?
4dare实义动词有时态;
人称的变化后接todo
用于疑问句和否定句时其后的to有时可省略
Doyoudare(to)jumpoffthehighwall?
E:
willandwould
1表示征求对方(第二人称)意见或询问对方意愿would比will更客气委婉
Willyouhavesomemorewine?
Wouldyoumindmysmokinghere?
2will表示习惯性动作或某种倾向would表示过去习惯性动作或某种倾向
Fishwilldieoutofwater.
WhenIwasyoung,IwouldplaybadmintononSundays.
Would与usedto的区别*
Would只能用来表示重复的动作而不能表示状态
Usedto既可表示动作也可表示状态,强调现在不如此
Heusedtobeauniversitystudent.
3will表示意愿决心
Iwillneverdothatagain.
F:
shall,shouldandoughtto
1shall在问句中表示征求对方意见或请求用于第一,三人称
Whatshallwedonow?
2shall肯定句中表示说话人强烈的感情允许,命令,禁止和威胁*
或表示按规定,规章和义务等用于第二,三人称
Ifyoudaretodothat,youshallbepunished.
Theserulesshallbeobeyed.
Shallnot禁止,不许
3shall决心,意愿=will
IshallcomeifIwantto.
4should表示劝告,建议=oughtto应该
Youshouldwashyourhandsfirst.
Should主要表示主观看法*
Oughtto客观情况法律、规定、义务的使用
Shouldhavedone/oughttohavedonesth虚拟语气*
Shouldn’thavedone/oughtnottohavedonesth
Youshouldhavedoneittoday.
5should推测推论可能性=oughtto*估计
Theyshould/oughttobetherebynow.
6should说话人的感情。
如惊奇、愤怒、失望等、“竟然”
否定句疑问句
Youcan’timaginethatwell-behavedgentlemanshouldbesorudetoalady
Whyshouldhedosuchathing?
推测肯定性可能性由强到弱
must/shall*/oughtto/should/would*/could*/may/might/can理论上的可能/can?
/can’tcouldn’t
must用于表示"
必定"
,"
必会"
:
Allmankindmustdie. (表示必然会发生的事)
所有的人一定会死的。
shall用于表示"
Ishallberichoneday.(shallbe)
总有一天我发达的。
oughtto/should用于表示"
想必会"
(语气较must弱):
Theyshould/oughttobetherebynow.
他们想必已到那儿了。
will和would用于表示"
预测"
或"
习惯性"
Ithinkhewillbeallrightnow.(willbe表示一定会)
我想他现在一定好了。
Could表推测
No,buttheshopcouldbeintheeastofthecity.
may和might用于表示"
事实上的可能性"
Itmaysnowlaterthisafternoon.(表示预测)
今天下午可能会下雪。
Youmightberight.(表示有可能)
你可能是对的。
Can理论上的可能
Anybodycanmakemistakes.(只表示理论上的可能性)
任何人都可能犯错误。
Can?
/can’tcouldn’t疑问否定
Hecan'
tbeathome.(否定句)
他不可能在家。
Canthenewsbetrue?
(将情态动词can置于主语thenews前就成疑问句)
这消息可能是真的吗?
情态动词bedoing
情态动词havedone
must/could/may/might/Can;
could?
havedone/can’t;
couldn’thavedone
请求和允许
CancouldI;
he/maymightI;
he/willwouldyou/shallshouldoughttoI;
he?
/MustI?
不同类型语气分析
CanIgowithyou?
(请求)
我能跟你一起走吗?
CouldIaskyousomething?
(请求,用could比can更婉转)
我可以问你一件事吗?
MayImakeasuggestion?
我可以提个建议吗?
MightItakealookofyourwork?
我看看您的大作行吗?
Willyoukindlytellmethewaytothepostoffice?
(表示客气请求)
请问到邮局怎么走?
Wouldyougivemeyouraddress?
(用would比will表示更客气)
请你告诉我你的地址,好吗?
Shallwetalk?
我们谈谈好吗?
Whatshouldwedonext?
(用should比shall表示更客气)
下一步我们该怎么做?
Shallhecometoseeyou?
(用于第三人称疑问句)
要不要他来看你?
MustIfinishtheworkrightnow?
MustIpaynow?
(用于疑问句)(如回答不必时,需用needn'
t或don'
thaveto)
我现在就得付款吗?
情态动词的用法:
表示“应该”、“必须”命令和建议
(Must,haveto,Shall,oughtto,Should,May*,Might*,)
Must用于表示“必须”、“务必”:
Youmustkeeptheplaceclean.(务必)
你务必保持地方干净。
Shall和Should用于表示“必须”:
Eachmembershallwearanamecard.(表示规定)
每一个会员必须配带名卡。
Ishouldanswerhisletterassoonaspossible.(表示应该)
我应该尽快给他回信。
Therulesshalltakeeffecton Jan.1st. (shall用于规章等,表示义务和规定)
新规则于一月一日起生效。
Oughtto用于表示“应该”(强调客观上):
(大多情况可用should代替)
Yououghttogotoseethedoctor.(oughtto的语气比must弱)
你应该去看看医生。
Yououghtn'
t(oughtnot)tosmokesomuch.(oughtn'
t用于否定句)
你不应该抽这么多烟。
May和Might用于表示“应该"
(多用于法律等条文,一般上多用shall):
Paymentmaybepaidbycheck. (表示规定)
应以支票付款。
Youmightaskbeforeyouusemycomputer. (might表示应该)
你应该先问过再使用我的电脑。
表示“意图”、“打算”“意愿”“决心”
(will,would*shall,should*)
情态动词+完成式
对过去或完成的猜测must/may/might/could/can’t/couldn’t/can?
/could?
虚拟语气couldhavedone本来可以;
有可能
needn’thavedone本没必要做某事
should/oughttohavedone本应该做某事
shouldn’t/oughtn’ttohavedone本不应该做某事
情态动词练习
(1)
1.MayIstopmycarhere?
No,you____.
A.can'
tB.mustn'
tC.needn'
tD.don'
thaveto
2.Mustwecleanthehousenow?
No,you_______.
A.needn'
tB.maynotC.mustn'
tD.can'
t
3.Johnhisfatherabouthisfailureintheexam.
A.daresnottellB.daresnottelling
C.darenottellD.daresnottotell
4.Youreturnthebooknow.Youcankeepitnextweekifyoulike.
tD.maynot
5.Johnny,youplaywiththeknife,youhurtyourself.
A.won'
t...can'
t...may
C.shouldn'
t,mustD.can'
t...shouldn'
6.Thefirespreadthroughthehotelveryquicklybuteveryonegetout.
A.hadtoB.wouldC.couldD.wasableto
7.Wouldyougooutforawalkwithme?
No,I.Mygirlfriendiscoming.
A.wouldn'
tB.shallnotC.won'
tD.shouldn'
8.Mandiewithoutwater.
A.willB.canC.needD.shall
9.Ifhestartedat90'
clock,hebetherebynow.
A.needB.shallC.oughttoD.must
10.Imailedthelettertwoweeksago.She_____it.
A.mustreceiveB.can'
treceiveC.mightreceiveD.musthavereceived
11.Theprofessorgaveordersthattheexperimentbefore5:
30p.m.
A.befinishedB.willfinish
C.mustbefinishedD.wouldbefinished
12.Therewasplentyoftime.You_____.
A.mustn'
thurryB.mustn'
thavehurried
C.needn'
thurryD.needn'
13.Tomwasadiligentboy.Hegotoschoolthoughitwasraininghard.
wasabletoB.couldC.couldn'
tD.wasn'
tableto
14.______Igobackbeforelunch?
No,Idon'
tthinkyou________.
A.Need...mustB.Do...needtoC.Must...havetoD.May....oughtto
15.Theteacherdoalltheexercises,butapupil_______.
t....mustB.maynot...must
C.needn'
t....needn'
t....must
16.Wouldyouopenthewindowplease?
Yes,I______.
A.willB.wouldC.doD.can
17.Aliononlyattacksahumanbeingwhenitishungry.
A.shouldB.canC.willD.shall
18.____MustIfinishthisnovelthismorning?
____No,you_____.
tB.mightnotC.don'
thavetoD.can'
19.Thetaxi____onlyholdsixpassengers.Itisfull.Youtakethenextone.
A.may...mayB.can...mayC.may...canD.must...can
20.Ialittleearlier,butImetafriendofmineontheway.
A.maycomeB.mayhavecomeC.couldhavecomeD.musthavecome
21.Iwishtogohomenow,I?
A.mayB.can'
tC.mustD.do
22.Hemusthavefinishedhishomework,he?
tB.didn'
tD.hasn'
23.Thispenlookslikemine,yetitisn'
t.Whoseitbe?
A.mustB.canC.mayD.might
24.Hedidn'
tdowellintheexam.Hehardathislessons.
A.musthaveworkedB.oughttohaveworked
C.wouldhaveworkedD.hasworked
25.Iwonderhowhethattotheteacher.
A.daretosayB.daresayingC.notdaresayD.daredsay
26.MrBaker,anumberofstudentswanttoseeyou._____theywaithereoroutside?
A.ShouldB.WillC.ShallD.Are
27.Youthetrees.Look,itisrainingnow.
thavewateredB.needn'
thavewatered
C.couldhavewateredD.mighthavewatered
28.Igiveyouananswertomorrow.Ipromise!
A.mustB.willC.mayD.shall
29.Asasoldier,youdoastheheadtellsyou.
A.willB.shallC.mayD.ought
30.Thestreetsarealldry.It_____duringthenight.
thaverainedB.musthaverained
C.couldn'
trainD.shouldn'
thaverained
31."
When_____heleavethehospital?
"
Iaskedthedoctor.
A.willB.shallC.canD.may
32.Theyhavenotfinishtheworkuptonow.
____Well,they______
A.shouldhaveB.shouldC.oughttoD.oughthave
33.Sinceitisalreadymidnight,we______.
A.hadbetterleavingB.oughttohaveleave
C.shouldtakeourleaveD.mightaswellleave
34.youbehappy!
A.MayB.CanC.MustD.Would
35.Mustwecometomorrow?
A.No,youcan'
tB.No,youn
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