有关when 和while题 如下____ we were having a good time,an accident happened.为什么是while 而不是when

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有关when 和while题 如下____ we were having a good time,an accident happened.为什么是while 而不是when

有关when 和while题 如下____ we were having a good time,an accident happened.为什么是while 而不是when
有关when 和while
题 如下
____ we were having a good time,an accident happened.
为什么是while 而不是when

有关when 和while题 如下____ we were having a good time,an accident happened.为什么是while 而不是when
while更强调瞬时
这里是在说某个特定瞬间发生了一场灾祸

翻译成中文啊 当我们玩得高兴时,发生了一个事故。
是同时进行的,所以用while

while (conj.) 当.....的时候,和.......同时
e.g. While he was eating, i asked him to lend me $2.
当他正在吃饭时,我请他借给我两美元。
辨析:when与while
1.when 当(在)......时,可表示瞬间、时间段,主、从句所表示的动作、事情可同时,也可有先后顺序地发生。...

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while (conj.) 当.....的时候,和.......同时
e.g. While he was eating, i asked him to lend me $2.
当他正在吃饭时,我请他借给我两美元。
辨析:when与while
1.when 当(在)......时,可表示瞬间、时间段,主、从句所表示的动作、事情可同时,也可有先后顺序地发生。
eg. It was snowing when we got to the airport.
我们到机场时,天正在下着雪。
2.while 正当(正在)......时(指同时),用于指同时进行的两延续性动作相伴随而发生,常对同类的两动作进行对比,while从句中动词须用延续性动词。
eg. Some students were reading while others were writing.
有些学生在读,而有些学生在写。
3.when和while有时起并列连词的作用。when表示“突然;这时”之意,由它引导的句子通常用于句末;而while连接两个在意义上相对比的句子表示 “而;却”。
eg. One evening Beethoven was walking in the street when he suddenly stopped outside a little house.
一天傍晚贝多芬正在街上散步,突然他在一所小房子外停了下来。
He likes sports while I'd rather read.
他喜欢运动而我宁愿看书。
至此,我想你对when 与while的用法区别有了一定的掌握。另外when一般都 是指 “点时间”,而while则是指“段时间”。原题是在我们玩得开心的时候,车祸发生了。“玩得开心”与“车祸”两个动作相伴随,且玩得开心是个“段时间”,因而答案为while。如果这道题改成____an accident happened, we were having a good time.你该填什么呢? 对了,这个时候答案就要填上:when,因为“车祸发生了”这个分句是个“点时间”,是个瞬间动作,所以得写when.
关于when与while更多的用法,请参考:人民教育出版社《Go For it新目标英语》(八年级下册)第三单元Unit Three What were you doing when the UFO arrived?这一章就是讲when与while两者引导的从句形式。

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