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2020年中考英语情态动词专项复习
I．情态动词考点总结考点一：情态动词基本用法
情态动词can/could
基本用法
1. 指能力, 也可表示许可或请求。2. could也可用于现在时, 表示有礼貌的请求，语气比
can婉转。
②—Can I use your telephone? —Yes, of course you can ③—Could I use your bicycle? —Yes, of course, you can.
may/might
1. 主要指允许, 许可。2. 表示可能, 肯定的推测。3. 表示祝愿, 常置于句首。
①—May I come in?
—Yes, please.
①She can drive, bicycle.
例句
but she can't
ride
a
②She said (that) he might come late. = She said,
“He may come late.”
③May you be safe and happy!
must/have to/need
2. have to
意为“必须；不得不”，
起情态动词的作用
1. must主要指不可推卸的责任。
①—Must I finish —Yes, you must.
all
the work today?
, 可以代替must。②You have to drive on the right in the U.S.A.
③You’ll have to go there at once.④You needn’t get up so early,Sunday today.
⑤We need to work harder.
for it is
3. need主要指需要。
should/ought to 1. should/ought 任。
2. should/ought 意见。3. had better
to主要指义务或责①Every student rules.
should obey the school
to表示提出或征求②He ought not (oughtn’t) to drink too much. ③You should try that new restaurant.
意为“最好，应该” ,
④You ought to read this book. It's really
2
可以代替 should/ought to。interesting.
⑤We had better start at once.
⑥We’d better not eat too much fried food, for it is bad for our healthy.
练习：1.
—Whose notebook is this? —It Jane’s. It has her name on it.
A. must be B. might belong to
C. may be
could be2.
---Could you please come to the museum with me this afternoon? ---Sorry, I ______ . I have to take a piano lesson at 2 pm. A. couldn’t
B. mustn’t
C. can’ｔ
D. needn’ｔ
3.
---What would you send to your sister as the Christmas gift? ---I haven’t decided yet. I ______ send her a hand bag.A. shall B. may C. must
4.
---Shall we go skateboarding after school?
---Sorry, my parents said that I ______ be at home early. A. need B. must
C. may
can
5.---______ you swim? ---Yes, but I’m not a good swimmer.
A. Can
B. May
C. Need
6.—I’m a little tired. Let’s go to the zoo by taxi.
—We
take a taxi. It
’s not far from here.
D.
D. need
D.
D. Must
3
A. can’t needn’ｔ7.
B. mustn’t C. couldn’t D.
They _________ play football last Friday because Simon forgot to bring his football here. A. could
D. can
B. couldn’ｔ
C. can’t
8.It doesn't look like rain, so you_______ bring your umbrella with you. A. shouldn't
D. needn't
B. mustn't
C. can't
9.--What will the weather be like tomorrow?
--It ______ be rainy, cloudy or sunny. Who knows? A. must
B. might
C. shall
D. should
10.—Do we have to finish our homework this afternoon?
—Yes, you ________. A. must B. can
C. may
D. need ．
D. can
11.Trees ____ fight air pollution. They are natural air conditioners
A. should
B. must
C. need
12.—____________I borrow these magazines?
—Sorry, only the magazines over there can be borrowed. A. Must Need
B. Would
C. May
D.
考点二：含有情态动词的疑问句的回答
1. may提问
—May I come in? —Yes, please.
表示客气或委婉的请求时用may, 用may回答显得冷淡、不客气。所以最好避之而改用热情、客气的答语。
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