一、考查情态动词表示“推测”的用法

[考点快忆] 表示肯定推测的情态动词有：must“一定；准是”，may“也许；可能”，might“或许”；表示否定推测的情态动词有：can't“不可能”， couldn't“不会”，may not“也许不”，might not“或许不”；can表示推测时不用于肯定句，may表示推测时不用于疑问句。

【中考题例】 1. The light in the office is off. The teacher ______ be there now. (南通市 2004)

A. mayB. can'tC. mustn'tD. must

(划线处为答案，下同)

2. Susan's parents have bought a large house with a swimming poo1. It_______be very expensive. (上海市2003)

A. must B. can C. mustn't D. can't

二、考查情态动词引起的一般疑问句的答语

[考点快忆] 回答must时，肯定答语用must,否定答语用needn't或don't have to。回答need时，肯定答语用must,否定答语用needn't。回答may时，肯定答语用may，否定答语用mustn't 或can't。

【中考题例】

1. —May I take this book out of the reading room?

— ______ . Please read it here. (四川省2004)

A. CertainlyB. No, you needn't

C. No, you mustn't

2. —May I use your dictionary?

— ______ .(武汉市 2004)

A. Of course B. You may, if you like

C. No, I don't mindD. It doesn't matter

3. —Must I take the keyboard to the office right now?

—No, you ______ . (济南市 2004)

A. mustn'tB. can'tC. don'tD. needn't

三、考查情态动词的意义

[考点快忆] must “必须”；have to“不得不”； need “必须；需要”； can(could)“能；可能”；may (might) “可以；可能”； shall，will (would)“将；会；愿意；要”； should“应当”。

【中考题例】

1. How ______ you say that you really understand the whole story if you have seen only part of the TV play?(无锡市 2004)

A. can B. mayC. mustD. need

2. You ______ stop when the traffic light is red. (四省区 2004)

A. canB. mayC. must

3. Li Lei can't go hiking with us today, because he ______ take care of his sick mother. (山西省 2004)

A. has to B. may C. mustn'tD. needn't

4. You ________ learn English well. I'm sure, without opening your mouth. (温州市 2004)

A. needn'tB. can'tC. mustn'tD. may not

5. I hear you've got some new Australian coins,

______ I have a look? (苏州市 2004)

A. Do B. MayC. ShallD. Should

四、其它

【考点快忆】 “had better (not) + 动词原形”表示建议；have to / has to ／ had to的否定，疑问形式要借助于助动词do ／ does ／ did。

【中考题例】 1. Father is sleeping. You'd better______ quiet. (北京市2004)

A. to keepB. keep

C. keepingD. kept

2. —You'd better ______ food to the tigers.

— Sorry, I won't do it again. (西宁市 2004)

A. throwB. not to throw

C. throwing D. not throw