情态动词
中考英语总复习
中考英语专项复习——情态动词
概念：
情态动词是表示情态意义的动词，他表示说话人的语气和情态，它不能单独作谓语，必须与实义动词一起构成谓语，情态动词没有人称和数的变化，过去式通常表示更客气、更委婉。
I can speak English .He can speak English.
They can speak English, too.
Can you help me? / Could you help me?
初中阶段必须掌握的情态动词：
can could may might
will would must have to
need had better should
考点一：情态动词基本含义
can ( could ) 能，会
may (might) 可以，可能
will (would) 将，会，愿意
must 必须
have to不得不
need 需要 sb need to do sth ,sth need doing .
should应该
had better 最好 had better (not) do sth
1.-______ you speak Japanese ?(北京2008）
-No, I can’t
A. Can B. Must C. May D. Should
2.You ______ stop when the traffic light is red.(山西）
A. can B. may C. must D. need
3.LiLei can’t go hiking with us today .Because he__
____take care of his sick mother .(温州）
A .has to B .may C. mustn’t D .need ’t
A
C
A
Let's do
考点二：表猜测语气的情态动词
表猜测性的情态动词有：may ， can’t ， must 。
may表没把握的猜测。
can’t 表有把握的否定猜测。
must 表有把握的肯定猜测
1.The light in the office is off. The teacher ______be there now.（南通）
A. may B. can’t C. mustn’t D. must
2.His parents bought him a large house . It ____be very expensive（宁夏）
A. must B. can C. mustn’t D. can’t
B
A
Let's do
考点三：情态动词开头的疑问句的答语
1.Must I take the keyboard to the office now ?
-No, you _____.You can do it later.
A. mustn’t B . can’t C . don’t D. needn’t
2.May I take this book out of the reading room?
-No, you ______. You must read it here.
A. may not B .don’t have to C. mustn’t D. needn’t
D
C
Let's do
考点四：易混词的辨析
（一）must 与have to
We _____study hard .
We _____stay at home because it is raining.
提示：must 表主观看法，意为“必须”。 have to表客观需要，意为“不得不”
（二）maybe与may be
______he is right . It______ rainy tomorrow.
提示：may 为情态动词后接动词原形。Maybe为副词意思为“大概，也许”
must
have to
Maybe
may be
考点四：易混词的辨析
（三）can与be able to
I_____________ speak English now.
My sister _________speak English two years ago.
My brother ________ speak English in the future.
提示；can 只有现在和过去时（could）
be able to可用于任何时态中。
（四）can’t 与mustn’t
can’t 表“不可能”。mustn’t表“禁止，不许”。
Can/am able to
could/was able to
will be able to

1（2009.德州)-How is your friends coming?
-I’m not sure. He ____drive here.
A may B. can C. must D. will
2(2008. 江西)If the traffic is red ,you ____cross the road .It’s very dangerous .
A don’t B. mustn’t
C. needn’t D. wouldn’t
boys against girls
A
B
3.(2009.江西)--Susan has bought a large house with a swimming pool.
--It ___be very expensive, I never even dream about it .
A must B. might C .can’t D. shouldn’t
4.(2009.襄樊）-Must I get up before six o’clock tomorrow morning, Dad?
--No, you _____.Tomorrow is Saturday .You may get up later.
A mustn’t B. can’t
C. needn’ t D. may not
A
C
5.(2010 江西） -How was the youth club last night ,Mark ?
-It was great fun .You ____come.
A must B. can C. should D. may
6.（2006.威海）He needs ____her the truth,
the flowers need_______.
A. to tell, watered. B tell, to water C. tell, watered D to tell ,watering
C
D
7.（2008.上海）-would you like to come to my birthday party?
-I’d love to .But I ___look after my sister.
A.must B. can C. have to D. need to
8.(2009.成都）-what would you send to your sister as the Chritmas gift?
-I haven’t decided yet .I____ send her a hand bag.
A. shall B. may C. need D. must
C
B
9.(2009.天津）-shall I tell Bob the news?
-No, you ______,I’ve told him already.
A. shouldn’t B. wouldn’t C. mustn’t D. needn’t
10.(2007.武汉）we’d better ___at home .The sun is shining.
A. stay B not stay C. staying D. not staying
D
B
11.(2009绍兴）-could you please come to the Museum with me this afternoon?
-sorry, I____.I have to take a piano lesson .
A. couldn’t B. mustn’t C. can’t D. needn’t
12.(2008.河南）-_____ I go swimming with Dad, Mom?
-No, you needn’t .You can stay at home.
A. May B. Should C. Must D. Would
C
C
考点总结
1,单词的意思
2情态动词的答语
3表猜测的情态动词may, can’t ,must .
4易混淆的情态动词 can与 be able to ； have to与 must ；maybe与 may be ；
can’t mustn’t
注意：need的用法；had better 的用法。
1.-Mum ,may I watch TV now ?
-sure ,but you _____help me with my English.
A. can B. may C. must D. could
2.Alice ,please be quiet! The others ____hear clearly.
A. can’t B. needn’t C. shouldn’t D. mustn’t
Homework
C
A
3.-Who’s that under the tree ?Is it Jenny ?
-It ___be Jenny .She’s ill in the hospital today.
A. can’t B. must C. may D mustn’t
4.-Must I finish writing the article now ,sir?
-No ,you ____.But you must finish it before next class.
A mustn’t B. may not
C can’t D. needn’t
A
D
Thank you
for listening！