(共31张PPT)
情态动词的用法
1.考点点击:
情态动词主要用来表示说话人的看法、态度等,它是每年高考必考内容.
2.命题热点:
情态动词的基本用法,表示态度、推测的用法以及在虚拟语气中的运用.
3.考查形式:主要体现在听力理解、单项填空和完形填空中.
一、情态动词命题特点:
(1)--Could I borrow your book
-- Yes. Of course you ____.
(2)--Would you like to do it for me
-- Yes. I ______________.
(3)--Must he get ready now
-- No, he__________________________.
二、情态动词注意事项:
1.特殊回答
can
would like to
needn’t / doesn’t have to
(1) 对现在或将来情况推测:must +动词原形,
只能用于肯定;否定和疑问分别用can’t和can。
--Isn’t that Ann’s husband over there
--No, it _______ be him ---I’m sure he doesn’t wear glasses.
can’t B. must not
C. won’t D. may not
*must-should/ought to –may-might/could+do
可能性依次减弱
2、推测语气
A
See who’s there ! _______ it be Mary
A.May B.Must
C.Can D.will
C
(2) 对过去情况推测:
must (may, might)+完成时只能用于肯定句。
can’t / couldn’t和can / could +完成时分别用于否定和疑问句。
--There were already five people in the car but they managed to take me as well.
--It ____a comfortable journey. ( )
A. can't be B. shouldn't be
C. mustn't have been D. couldn't have been
D
He must be reading, ____ he
You must do it yourself, ____ you
He must have gone over the article, ______he
It must have rained last night, _____ it
3、表猜测语气的反意疑问句的构成
isn’t
don’t
hasn’t
didn’t
would need
used to do dare
mustn’t
don’t have to=needn’t
may/might as well do sth. 不妨…; 还是…为好
改错:
Luckily, they could escape from the burning house with the firemen’s help.
4.辩析 be able to must
can have to
were able to
She _____out alone at night. ( )
A.dare not to go
B. dares not go
C. doesn’t dare to go
D. doesn’t dares go
C
1)用于第一人称表将来。
2)用于一,三人称疑问句,表征求对方意见或向对方请求。
3用于二、三人称,表示保证、承诺、威胁、警告。
You shall be punished if you go on doing it this way.
(表示警告)
I shall go to work after I have finished school.
(表示将来)
--Shall he come in -- Come in, please.
(表示征求对方意见)
5、shall
Tom’s father promised, “You ___have a new computer if you pass the coming examination,” ( )
A.can
B.should
C.shall
D.may
C
1)表示“预测、可能”
2)表示说话人的感情(惊奇、愤怒、失望等)“竟然”
翻译:
They should be here by now.
You can’t imagine that the well-educated gentleman should be so rude to a lady.
6、should
------When can I come for the photos I need them tomorrow afternoon.
-----They _____be ready by 12 : 00 . ( )
A. can B. should
C. might D. need
B
You ought to have helped him with his English, ____you
A. won’t you
B. ought not you
C. shouldn’t you
D. wouldn’t you
C
1)对过去情况推测。
肯定:
must/may/might have done
否定:
can’t/couldn’t/may not/might not
have done
疑问:
can/could have done…
7、情态动词+have done
Jenny ____with him at that time, for I was having dinner with her in my home. ( )
A.can’t have been
B. mustn’t have been
C. must be
D. may be
A
2)译成“本…”could/might/should/would/ need have done.
译:你本该早五分钟来.
You should have come here five minutes earlier.
3)虚拟语气(与过去事实相反的主句)
译: If you had followed my advice, you wouldn’t have been defeated.
如果你当时接受了我的忠告,你是不会失败的.
They are disappointed at the English party. They say that it ___better organized. ( )
A.had been
B. had to be
C. must have been
D. could have been
D
---- Did you walked home by yourself last night
---- Yes, I did. But I think I _____. ( )
needn’t
B. shouldn’t
C. may not have
D. needn’t have
D
情态动词典型
例题专练
一、考查情态动词的基本用法
1.“The interest ______be divided into five parts, according to the agreement made by both sides.” declared the judge.
A. may B. should C. must D. shall
2.— The room is so dirty. ______ we clean it
— Of course.
A. Will B. Shall C. Would D. Do
D
B
3.He’s strange -- he ____ sit for hours without saying anything.
A. shall B. will C. can D. must
B
4.John, look at the time. _______ you play the piano at such a late hour?
A. Must B. Can C. May D. Need
A
5.Tom, you _____leave all your clothes on the floor like this!
wouldn’t B. mustn’t
C. needn’t D. may not
B
6.You can’t imagine that a well-behaved gentleman _____ be so rude to a lady.
might B. need
C. should D. would
C
7._____it rain tomorrow, the meeting would be put off.
Should B. Would
C. Could D. Must
A
8.A left-luggage office is a place where bags ____ be left for a short time, especially at a railway station.
A. should B. can C. must D. will
B
二、考查情态动词的推测用法
1.Helen _____go on the trip with us but she isn’t quite sure yet.
A. shall B. must C. may D. can
2.—I’ve taken someone else’s green sweater by mistake.
—It ___ Harry’s. He always wears green.
has to be B. will be
C. mustn’t be D. could be
C
D
3.That, I think, ____ be all that I want to say.
A. can B. could C. will D. ought to
C
4.You might just as well tell the manufacturer that male customers ______ not like the design of the furniture.
A. must B. shall C. may D. need
C
5.--Isn’t that Ann’s husband over there
--No, it _______ be him ---I’m sure he doesn’t wear glasses.
can’t B. must not
C. won’t D. may not
A
6.My sister met him at the Grand Theatre yesterday afternoon, so he _____ your lecture.
couldn’t have attended
B. needn’t have attended
C. mustn’t have attended
D. shouldn’t have attended
A
三、考查情态动词的虚拟用法
1.He paid for a seat, when he ______ have entered free.
A. could B. would C. must D. need
2.You should not have swum in that river. You ____ have been eaten by fish.
A. must B. may C. will D. might
A
D