所谓定意义就是分析语境并确定应填情态动词的含义,如上文提到的高考题,就是通过定意义的方法来解题的。又如:例1:

I told Sally how to get here,but perhaps I____ for her.(NMET'94)

A.had to write it out

B.must have written it out

C.should have written it out

D.ought to write it out

析:选C。该题语境为:我仅仅口头上告诉莎丽如何来这儿,但也许我本应写张字条给她(这样她更有把握找到这儿)。根据语境可知,我本应写张字条给她,而实际上没写,所以应用should have done或ought to have done表示“本应做……而实际未做……”。

例2: -Shall I tell John about it?

-No,you____.I've told him already.

A.needn't       B.wouldn't  C.mustn't       D.shouldn't

析:选A。根据语境可知,我已将此事告诉了约翰,所以你没有必要再告诉他了,因此应填needn't表“没必要”。mustn't表“不准,禁止,严禁”,所以C为错误答案。

附:情态动词常见含义表:

情态动词
含义
can
能够(表能力);可以(表许可或征询许可);可能(表推测)
may
可以(表许可或征询许可);可能(表推测)
must
必须,应该(表责任);总是(表经常性、习惯性动作)
will
愿意(表意愿);(表许可或征询许可)
shall
需要(表征示意见);必要,命令,禁止(表强迫性动作);允许
used to
过去常常
need
必要,必需
dare

ought to、should
应该

第一节  短文改错(共10小题;每小题1分,满分10分)

此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

该行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

该行缺一个词:在缺词处加一个漏字符号(∧),大该行右边横线上写出该加的词。

该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

Dear Dick,

    Your letter of January 30 reached me yesterday.

How nice to hear of you again. You want to know what           76.      

is going on in schools in China. In short, things have            77.      

begun lo improve after schools were called on to reduce           78.      

learning load. I don't know about others, but I am used to           79.      

have to work even at weekends do endless homework             80.      

and attending classes as well. Now I have much free time.            81.      

I can follow my interest such as reading books, visiting           82.      

museums and taking computer lessons. In the

evenings I can watch news on TV or reading newspapers.         83.      

What's worse. I can go to bed earlier. As far as I know, everyone        84.      

is happy about this new arrangement of things taken place in China.     85.      

Best wishes.

                                  Li Hua

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