作业帮when的不同词性对应的不同用法都有什么?
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/11/09 09:46:33
when的不同词性对应的不同用法都有什么?
1）．表示突然发生某事,常可译为“正在……突然”.如：
We were having dinner when he came in.我们正在吃饭,这时他进来了.
He was about to give up when he suddenly found the answer.正当他要放弃时,他找到了答案.
2）．表对比,常可译为“本该……而……”如：
Why are you here when you should be in school?你为什么本该在学校而在这儿呢?
He stopped trying when he might have succeeded.本该成功时,他却停止了努力.
3）．表条件,作since,now that,if讲.译为“既然,如果”.如：
How can we explain it to you when (if) you won’t listen?如果你不听,我们又怎能向你解释呢?
How could you do it,when (now that) you knew it might kill him?既然你知道这能使他丧生,为什么你还要做呢?
4）．有时用来表示“……然后”（这时前面多加逗号）.如：
The dog growled till his master spoke,when he gave a joyful bark.主人说话前这只狗一直狺狺叫,之后它又欢快地叫起来了.
5）．表很快发生的事,常可译作“还没/刚刚……就……”.如：
I had not been reading for half an hour when I heard steps outside.我还没读半小时就听见外面有脚步声.
I had hardly opened the door when he hit me.我还没来得及开门他就打我.
6）．用来代替whenever,表示“在任何……时候”.如：
Come when you please.想来就来.
7）．用作名词,表示“发生的时间”.如：
I can’t remember the when and the why of it.我记不清这件事的时间和原因.
I don’t know the when or the where of the accident.我不知道这次事故的时间和地点.
We were having dinner when he came in.我们正在吃饭,这时他进来了.
He was about to give up when he suddenly found the answer.正当他要放弃时,他找到了答案.
2）．表对比,常可译为“本该……而……”如：
Why are you here when you should be in school?你为什么本该在学校而在这儿呢?
He stopped trying when he might have succeeded.本该成功时,他却停止了努力.
3）．表条件,作since,now that,if讲.译为“既然,如果”.如：
How can we explain it to you when (if) you won’t listen?如果你不听,我们又怎能向你解释呢?
How could you do it,when (now that) you knew it might kill him?既然你知道这能使他丧生,为什么你还要做呢?
4）．有时用来表示“……然后”（这时前面多加逗号）.如：
The dog growled till his master spoke,when he gave a joyful bark.主人说话前这只狗一直狺狺叫,之后它又欢快地叫起来了.
5）．表很快发生的事,常可译作“还没/刚刚……就……”.如：
I had not been reading for half an hour when I heard steps outside.我还没读半小时就听见外面有脚步声.
I had hardly opened the door when he hit me.我还没来得及开门他就打我.
6）．用来代替whenever,表示“在任何……时候”.如：
Come when you please.想来就来.
7）．用作名词,表示“发生的时间”.如：
I can’t remember the when and the why of it.我记不清这件事的时间和原因.
I don’t know the when or the where of the accident.我不知道这次事故的时间和地点.