情态动词高考复习课件
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课件21张PPT。 The Usage of the Modal Verbs情态动词情态动词can/couldwill/ wouldmay/mightmustshallshouldneedought to/have todare基本用法1. 情动+动词原形had better2. 没有人称和数的变化( 除“have to”外). 3. 否定式: +not
ought not to 1.She____have left school,for her bike is still
here.(08天津卷）
can’t B.wouldn’t C.shouldn’t D.needn’t
2.Thank you for all your hard work last week.
I don’t think we_______ it without you.(08山东）
A. can manage B. could have managed
C. could manage D. can have managed can could1.表“能力”
（体力,脑力
或技术)Can you lift this heavy box?I couldn’t understand what he said at all.2.表“许可”
“建议,请求”You can use a different material instead.Could you help me carry the box ?3.表“推测” “可能性”No, no, it can’t be true. What on earth can this mean?can与could用法对比 We thought the story couldn’t be true. / How could you be so careless?4.can’tcouldn’t+have+P.P表示对过去的否定推测他不可能去过那个小镇。
He couldn’t have been to that town.
她不可能做这样愚蠢的事.
She can’t have done such a foolish thing. He could have finished the task on time, but the heavy snow came.5.could+have+P.P: 表示本来能做得到, 但事实上未做到.6.Can+have+done：一般用在疑问句中表推测1.You don’t have to know the name of the author
to find a book. You___find the book by the title.
(08湖南）
must B.need C.can D.would
2.Peter____be really difficult at times even though he’s a nice person in general.(08辽宁）
A.shall B.should C.can D.must
3.If it were not for the fact that she____sing, I
would invite her to the party.
A.couldn’t B.shouldn’t C.can’t D.might not1.----I can’t find my purse anywhere(08重庆）
----You _____ have lost it while shopping.
A.may B.can C.should D.would
3.Liza______well not want to go on the trip
----she hates traveling.(08全国卷II）
A.will B.can C.must D.may1.Be careful, you might break the glass.
2. He may be busy getting ready for his trip.a. may(might)+V.表示对现在或将来事情的猜测.(might比 may可能性更小一些.)He may (might)have played electric game on TV the whole night.(For he looks very sleepy.)b. may(might)+ have+P.P,表示对过去事情的猜测, 认为某事“可能”发生.(might比may更含蓄,或更不肯定.)1.-----I hear you’ve got a set of vuluable
Australian coins.______i have a look
-----Yes, certainly.(02北京）
do B.may C.shall D.should
2.-----Are you coming to Jeff’s party
-----I’m not sure. i______go to the concert
instead.（00全国）
must B.would C.should D.might
3. Helen____go on the trip with us, but she isn’t
quite sure yet.(05安徽）
A. shall B.must C.may D.can1.The teacher____have thought Johnson was worth it or she wouldn’t have wasted time on him,I suppose.(07安徽）
A.should B.can C.would D.must
2.In crowded places like airports and railway stations,You____take care of your luggage.(07北京）
A.can B.may C.must D.willmust与 have to用法对比must have to1.表必须(主观看法)必须; 没有过去式,可用于间接引语中. He told me I must do according to what he said.(客观需要)不得不;有多种时态. -It’s raining heavily, we can’t go now. -I think we’ll have to wait till the rain stops.2.疑问句及答语中Must I …? Yes, you must.(一定) No, you needn’t. No, you don’t have to Do you have to go today? Yes, we do. 否定句: You don’t have to worry about that.①You must be hungry now, _________?= I’m sure you are hungry now.②He must be watching TV now, ______?= I’m sure he is watching TV now.③Tom must have lived here for a long time, _______?= I’m sure Tom has lived here for a long time.④She must have arrived yesterday, __________?= I’m sure she arrived yesterday.*陈述部分的must表示“一定”,“想必”等推测意义时,要根据陈述部分的不定式结构, 在附加疑问部分采用与其相适应的主动词或助动词形式.aren’t youisn’t hehasn’t hedidn’t she1.----Must I smoke here
-----If you _____,choose a seat in the smoking
section.(06山东）
Should B. could C. may D.must
2.He____have completed his work; otherwise,he
wouldn’t be enjoying himself by the seaside.
A.should B.must C.wouldn’t D.can’t
3.Tom, you______leave all your clothes on the
floor like this!(05河南）
A. wouldn’t B.mustn’t C.needn’t D.may not1.---I’m sorry.I___at you the other day.(08江苏）
---Forget it.I was a bit out of control myself.
A.shouldn’t shout B.shouldn’t have shouted
C. mustn’t shout D.mustn’t have shouted
2.--what does the sign over there read
--”No person_______smoke or carry a lighted
cigarette, cigar or pipe in this area.”(07四川）
A. will B.may C.shall D.must
should与shall用法对比should shall1.表“应当”表示劝告,建议You should listen to the doctor’s advice.2.表可能的猜测They should get home by now.作情态动词,用于第一、三人称
表示征求对方意见或请求
Shall we begin our lesson? Shall he go out for a walk?用于第二、三人称，表示允诺、
警告、威胁、命令、决心等。You shall have a nice present
for your birthday.(允诺)1.It has been announced that candidates________
remain in their seats until all the papers have been
collected.(02上海）
can B.will C.may D.shall
2. ----Write to me when you get there.
----________.(01北京）
I must B.i should C. i will D. i can
3.---The room is so dirty._____we clean it
---Of course.
A.will B.shall C.would D.do1.----I don’t mind telling you what I know.
-----You_________, I’m not asking you
for it.(04江苏）
mustn’t B.may not C.can’t D.needn’t
2.I wonder how he__that to the teacher.（95上海）
A.dare to say B.dare saying
C.not dare say D.dared say
3. You don’t_____to go there if you have no
time.(97 上海）
A. need B.want C.must D.oughtNeed与dare用法对比need dare1.情态动词+V *疑问式 *否定式He need not (needn’t) go.Need we do it again?No, you needn’t do it again.Dare she go out alone at night?How dare you say I am unfair?He dare not say so.2.need/ dare+ to do *肯定式 *否定式 *疑问式He needs to go.He doesn’t need to go.Does he need to do it again?He dares to say.He does not dare (to) say.If you dare to jump into the water from here, so dare I.1.Although this _____sound like a simple task,
great care is needed.(08四川）
A.must B.may C.shall D.should
2.My English-Chinese dictionary has disappeared.
Who_________have taken it
A.should B.must C.could D.would
3.According to the air traffic rules,you____switch
off your mobile phone before boarding.(08上海）
A.may B.can C.would D.should
4.You___be hungry already---you had lunch only
two hour ago!(08浙江）
A.wouln’t B.can’t C.mustn’t D.needn’t5.It is usually warm in my hometown in March,
but it______be rather cold sometimes.(08福建）
A.must B.can C.should D.would
6.----What sort of house do you want to have?
Something big?(08陕西）
----well, it_____be big---that’s not important.
mustn’t B.needn’t C.can’t D.won’t
7.My MP4 player isn’t in my bag, where____i have
Put it(07福建）
A.can B.must C.should D.would
8.This cake is very sweet. You____a lot of sugar in it.(05辽宁）
A.should put B.could have put
C.might put D.must have put9.I told your friend how to get to the hotel,
but perhaps I______have driven her there.(07陕西）
A.could B.must C.might D.should
10.----how’s your tour around the North Lake?
Is it beautiful?
--It_____be,but it is now heavily polluted.(07北京）
will B.would C.should D.must
11.---Do you know where David is I couldn’t find him anywhere.
---well. He____have gone far---his coat’s still here.
A. shouldn’t B.mustn’t C.can’t D.wouldn’t
ought not to 1.She____have left school,for her bike is still
here.(08天津卷）
can’t B.wouldn’t C.shouldn’t D.needn’t
2.Thank you for all your hard work last week.
I don’t think we_______ it without you.(08山东）
A. can manage B. could have managed
C. could manage D. can have managed can could1.表“能力”
（体力,脑力
或技术)Can you lift this heavy box?I couldn’t understand what he said at all.2.表“许可”
“建议,请求”You can use a different material instead.Could you help me carry the box ?3.表“推测” “可能性”No, no, it can’t be true. What on earth can this mean?can与could用法对比 We thought the story couldn’t be true. / How could you be so careless?4.can’tcouldn’t+have+P.P表示对过去的否定推测他不可能去过那个小镇。
He couldn’t have been to that town.
她不可能做这样愚蠢的事.
She can’t have done such a foolish thing. He could have finished the task on time, but the heavy snow came.5.could+have+P.P: 表示本来能做得到, 但事实上未做到.6.Can+have+done：一般用在疑问句中表推测1.You don’t have to know the name of the author
to find a book. You___find the book by the title.
(08湖南）
must B.need C.can D.would
2.Peter____be really difficult at times even though he’s a nice person in general.(08辽宁）
A.shall B.should C.can D.must
3.If it were not for the fact that she____sing, I
would invite her to the party.
A.couldn’t B.shouldn’t C.can’t D.might not1.----I can’t find my purse anywhere(08重庆）
----You _____ have lost it while shopping.
A.may B.can C.should D.would
3.Liza______well not want to go on the trip
----she hates traveling.(08全国卷II）
A.will B.can C.must D.may1.Be careful, you might break the glass.
2. He may be busy getting ready for his trip.a. may(might)+V.表示对现在或将来事情的猜测.(might比 may可能性更小一些.)He may (might)have played electric game on TV the whole night.(For he looks very sleepy.)b. may(might)+ have+P.P,表示对过去事情的猜测, 认为某事“可能”发生.(might比may更含蓄,或更不肯定.)1.-----I hear you’ve got a set of vuluable
Australian coins.______i have a look
-----Yes, certainly.(02北京）
do B.may C.shall D.should
2.-----Are you coming to Jeff’s party
-----I’m not sure. i______go to the concert
instead.（00全国）
must B.would C.should D.might
3. Helen____go on the trip with us, but she isn’t
quite sure yet.(05安徽）
A. shall B.must C.may D.can1.The teacher____have thought Johnson was worth it or she wouldn’t have wasted time on him,I suppose.(07安徽）
A.should B.can C.would D.must
2.In crowded places like airports and railway stations,You____take care of your luggage.(07北京）
A.can B.may C.must D.willmust与 have to用法对比must have to1.表必须(主观看法)必须; 没有过去式,可用于间接引语中. He told me I must do according to what he said.(客观需要)不得不;有多种时态. -It’s raining heavily, we can’t go now. -I think we’ll have to wait till the rain stops.2.疑问句及答语中Must I …? Yes, you must.(一定) No, you needn’t. No, you don’t have to Do you have to go today? Yes, we do. 否定句: You don’t have to worry about that.①You must be hungry now, _________?= I’m sure you are hungry now.②He must be watching TV now, ______?= I’m sure he is watching TV now.③Tom must have lived here for a long time, _______?= I’m sure Tom has lived here for a long time.④She must have arrived yesterday, __________?= I’m sure she arrived yesterday.*陈述部分的must表示“一定”,“想必”等推测意义时,要根据陈述部分的不定式结构, 在附加疑问部分采用与其相适应的主动词或助动词形式.aren’t youisn’t hehasn’t hedidn’t she1.----Must I smoke here
-----If you _____,choose a seat in the smoking
section.(06山东）
Should B. could C. may D.must
2.He____have completed his work; otherwise,he
wouldn’t be enjoying himself by the seaside.
A.should B.must C.wouldn’t D.can’t
3.Tom, you______leave all your clothes on the
floor like this!(05河南）
A. wouldn’t B.mustn’t C.needn’t D.may not1.---I’m sorry.I___at you the other day.(08江苏）
---Forget it.I was a bit out of control myself.
A.shouldn’t shout B.shouldn’t have shouted
C. mustn’t shout D.mustn’t have shouted
2.--what does the sign over there read
--”No person_______smoke or carry a lighted
cigarette, cigar or pipe in this area.”(07四川）
A. will B.may C.shall D.must
should与shall用法对比should shall1.表“应当”表示劝告,建议You should listen to the doctor’s advice.2.表可能的猜测They should get home by now.作情态动词,用于第一、三人称
表示征求对方意见或请求
Shall we begin our lesson? Shall he go out for a walk?用于第二、三人称，表示允诺、
警告、威胁、命令、决心等。You shall have a nice present
for your birthday.(允诺)1.It has been announced that candidates________
remain in their seats until all the papers have been
collected.(02上海）
can B.will C.may D.shall
2. ----Write to me when you get there.
----________.(01北京）
I must B.i should C. i will D. i can
3.---The room is so dirty._____we clean it
---Of course.
A.will B.shall C.would D.do1.----I don’t mind telling you what I know.
-----You_________, I’m not asking you
for it.(04江苏）
mustn’t B.may not C.can’t D.needn’t
2.I wonder how he__that to the teacher.（95上海）
A.dare to say B.dare saying
C.not dare say D.dared say
3. You don’t_____to go there if you have no
time.(97 上海）
A. need B.want C.must D.oughtNeed与dare用法对比need dare1.情态动词+V *疑问式 *否定式He need not (needn’t) go.Need we do it again?No, you needn’t do it again.Dare she go out alone at night?How dare you say I am unfair?He dare not say so.2.need/ dare+ to do *肯定式 *否定式 *疑问式He needs to go.He doesn’t need to go.Does he need to do it again?He dares to say.He does not dare (to) say.If you dare to jump into the water from here, so dare I.1.Although this _____sound like a simple task,
great care is needed.(08四川）
A.must B.may C.shall D.should
2.My English-Chinese dictionary has disappeared.
Who_________have taken it
A.should B.must C.could D.would
3.According to the air traffic rules,you____switch
off your mobile phone before boarding.(08上海）
A.may B.can C.would D.should
4.You___be hungry already---you had lunch only
two hour ago!(08浙江）
A.wouln’t B.can’t C.mustn’t D.needn’t5.It is usually warm in my hometown in March,
but it______be rather cold sometimes.(08福建）
A.must B.can C.should D.would
6.----What sort of house do you want to have?
Something big?(08陕西）
----well, it_____be big---that’s not important.
mustn’t B.needn’t C.can’t D.won’t
7.My MP4 player isn’t in my bag, where____i have
Put it(07福建）
A.can B.must C.should D.would
8.This cake is very sweet. You____a lot of sugar in it.(05辽宁）
A.should put B.could have put
C.might put D.must have put9.I told your friend how to get to the hotel,
but perhaps I______have driven her there.(07陕西）
A.could B.must C.might D.should
10.----how’s your tour around the North Lake?
Is it beautiful?
--It_____be,but it is now heavily polluted.(07北京）
will B.would C.should D.must
11.---Do you know where David is I couldn’t find him anywhere.
---well. He____have gone far---his coat’s still here.
A. shouldn’t B.mustn’t C.can’t D.wouldn’t