When 的用法考点扫描

When 的用法考点扫描

河北省易县育英高级中学（074200） 庞永升

一、表原因。意思是“既然，考虑到”。

[经典例句]Why use metal when you can use plastic?(既然你能用塑料为什么用金属呢？)

[考题回顾]1.（NMET98，6）Why do you want a new job______ you’ve got such a good one already? A. that B. where C. which D. when （D）

2. （06山东卷，31）]How can you expect to learn anything ______ you never listen ?

A. in case B. even if C. unless D. when (D)

二、引导时间状语从句。意思是“当。。。。。。的时候”

[经典例句]It was snowing when he arrived at the construction site .（当他到达建筑工地时，天正在下雪。）

[考题回顾]（04石家庄模拟）It was twelve o’clock at midnight _______ they arrived at a lonely village. A. that B. when C. if D. since (B)

三、用作并列连词。意思是“突然，这时”

[经典例句]We’ll start when the team leader comes.（我们刚要开始这时队长来了。）

[考题回顾]1.（06辽宁卷，24）He was about halfway through his meal ______ a familiar voice came to his ears.

A. why B. where C. when D. while (C)

2.（06湖南卷，31）I had just stepped out of the bathroom and was busily drying myself with a towel_______ I heard the steps. A. while B. when C. since D. after (B)

四、引导宾语从句。意思是“当。。。。。。的时候”

[经典例句]I don’t know when he comes.(我不知道他什么时候来.)

[考题回顾](06全国卷I，33)Please remind me _____ he said he was going. I may be in time to see him off.

A. where B. when C. how D. what (B)

五、表条件。意思是“如果”

[经典例句]Turn off the switch when anything goes wrong with the machine.（如果机器有问题就关掉开关）

六、用作关系副词，引导定语从句。意思为“当。。。。。。的时候”

[经典例句]1.He came at a time when we needed help. 2.Do you still remember the days when we spent the summer holidays in Qingdao?

[考题回顾]1.（03全国）The film brought the hours back to me______ I was taken good care of in that faraway village. A. until B. that C. when D. where (C)

2.（03北京春，31）We are living in an age_______ many things are done on computer.

A. which B. that C. whose D. when (D)

七、用作关系代词。We came back on Tuesday; since when we have been working in the repair shop.

八、表“虽然，而，可是” He usually walks when he might ride.

九、表“在那时，然后”

1.We’ll go to the countryside at the beginning of June, when the summer harvest will start. 2.I stayed till noon, when I went home.

[巩固练习]

1． （03全国，21）Don’t be afraid of asking for help _____ it is needed .

A. unless B. since C. although D. when

2.（03上海，35）A good storyteller must be able to hold his listener’s curiosity ____ he reaches the end of the story. A. when B. unless C. after D. until

3.（02上海，26）He was about to tell me the secret ______ someone patted him on the shoulder.

A. as B. until C. while D. when

4.（04烟台测评）He never thought that his success came _____ he least wanted it.

A. while B. when C. until D. since

5.（04北京春）We were swimming in the lake ____ suddenly the storm started .

A. when B. while C. until D. since

6.（05上海，34）He transplanted the little tree to the garden ______ it was the best time for it.

A. where B. when C. that D. until

7.(05湖南联考)A terrible earthquake happened in that district at the end of 2004, _____ many countries in the world paid close attention to this.

A. where B. when C. which D. what

[答案]DDDBABB

河北省易县育英高级中学（074200）庞永升 电话号码：13582296553

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