情态动词专题复习2--考点梳理+用法
1、一、定义
情态动词表示说话者的情感、态度和语气。它们本身有一定的意义，但没有人称和数的变化，不能单独作谓语，须和动词一起构成句子的谓语。表示否定时在情态动词后加not (must，have to除外)，表示疑问时将情态动词提至主语前即可。
2、典例精析
1.---I can't stop playing computer games.
---For your health, my boy, I'm afraid you____.(06年江西，28)
A.can B.may C.must D.have to
2.---Are you going to Beijing by plane? (07年江西，28)
---It‟s fast ,but expensive. So I am not sure.I____take a train.
A.should B.may C.must D.will
3. If the traffic light is red，you ____cross the road．It’s very
dangerous．(08年江西，26)
A．don't B．mustn't C．needn't D．wouldn't
3、4.Susan has bought a large house with a swimming pool.
It __ be very expensive. I never even dream about it. (09年江西, 33)
A. must B. might C. Can't D. Shouldn't
B) need Everyone ______ friends. Be good to them.
Goodbye, friends! Dont forget us! (09年江西, 65)
5. -How was the youth club last night, Mark? (10年江西, 33)
-It was great fun. You _____ come.
A. must B. can C. should D. may
4、6.The work is too hard for him. He __ finish it on time.(11年江西, 31)
A.can't B.mustn't C.shouldn't D.needn't
7. Last year I ____ drive. I used to take the bus.(12年江西, 30)
A. could B. couldn't C. should D. shouldn't
8. There is only one day to go. You____ finish your schoolwork
by tomorrow.(13年江西,30)
5、 A.can B.will C.must D.may
9. We ____ pay to get into the concert. It's free.(14年江西,29)
A. can't B. mustn't C. might not D. don't have to
10. Nathan likes his job because he _____enjoy the beauty
of nature. (15年江西,32)
A.can B.must C.should D.is supposed to
6、Summary
1. 基本用法：may, might 可能，可以，祝愿
can,clould 能，会，可以，可能， can't 不可能
must 必须，肯定 need 必须，需要
shall,should 将，应该，...好吗？
will, would 愿意
2. 情态动词表猜测：一肯一否三不定（must 一肯；can not 一 否；may，might，could 三不定）
7、Homework
Tell me 5 class rules(班规), using modal verbs like “shall/should, can/could, will/would, may/might, must, need” .