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1、When与While的区别一、WhenWhen可可以以和和延延续续性性动动词词连连用用,也也可可以以和和短暂性动词连用短暂性动词连用 EgEg. .SorrySorry, I I was was out out when when you you called mecalled me(callcall为为短短暂暂性性动动词词)对对不不起起,你你打电话时我刚好外出了打电话时我刚好外出了。 WhileWhile只能和延续性动词连用只能和延续性动词连用. .EgEg. . Strike Strike while while the the iron iron is is hothot(isis为为延
2、延续续性性动动词词,表表示示一一种种持持续续的的 状状 态态 ) 趁趁 热热 打打 铁铁 。 二WhenWhenwhenwhen从从句句的的谓谓语语动动词词可可以以在在主主句句谓谓语语动动作作之之前前、之之后后或或同同时时发发生生. .EgEg. . When When he he had had finished finished his his homeworkhomework, he he took took a a short short restrest(finishedfinished先先发发生生)当当他他完完成成作作业业后后,他他休休息息了了一一会会儿儿。 When When I
3、 I got got to to the the airportairport, the the guests guests had had leftleft(got got toto后后发发生生)当当我我赶赶到到飞飞机场时,客人们已经离开了。机场时,客人们已经离开了。 WhileWhile从从句句的的谓谓语语动动词词必必须须是是和和主主句句谓谓语语动作同时发生动作同时发生. .When When While While we we were were dancingdancing, a a stranger stranger came came inin(dancedance为为延延续续性性
4、动动词词)当当我我们们跳跳舞舞时时,一一位位陌陌生生人人走走了了进进来来。 When When While While she she was was making making a a phonecallphonecall,I I was was writing writing a a letterletter(makemake为为延延续续性性动动词词)当当她她在在打打电电话话时时,我我正正在在写写信信。 三WhenWhenwhenwhen既既可可以以表表示示某某一一点点时时间间,也也可可以以表表示某一段时间。示某一段时间。 whenwhen引引导导的的时时间间壮壮语语从从句句多多用用于于一
5、一般般时态。时态。 WhileWhile只只能能表表示示某某一一段段时时间间,不不能能表表示示某某一一点点时时间间. . whilewhile引引导导的的时时间间状状语语从从句句多多用用于于进进行行时态时态总结when when 从从句句的的A A事事件件,相相当当于于另另一一个个事事件件B B发发生生的的时时间间点点。也也就就是是说说,when when 从从句句的的重重点点不不在在动动作作本本身身发发生生的的状状态态,而而只只是是把把它它作作为为一一个个时时间间点点,所所以以when when 多多数数情情况况下下用用的的是是一一般般过过去去时时,则则不不用用正正在在进进行行时时。因因为为
6、如如果果用用正正在在进进行行时时,它它表表示示的的就就是是一一段段时时间间而而不不是是一一个个时时间间点点了了。根根据据这这一一点点,有有的的文文章章补补充充说说:when when 从从句句的的动动词词大大多多是是瞬瞬时时动动词词。这这种种 说说 法法 也也 可可 以以 参参 照照 。相相比比于于when when 来来说说,while while 从从句句的的侧侧重重点点就就不不一一样样了了。while while 从从句句的的侧侧重重点点在在于于描描述述动动作作正正在在发发生生的的状状态态,它它的的意意思思是是:当当while while 事事件件正正在在发发生生的的时时候候,另另一一件
7、件事事如如何何如如何何。所所以以,while while 从从句句一一般般用用的的是是正正在在进进行行时时。而而另另一一件件事事的的状状态态没没有有硬硬性性的的要要求求,根根据具体情况而定据具体情况而定 练习While my wife was reading the newspaper, I was watching TV. 当妻子正在看报纸的时候,我正在看电视。 When I got to the airport,the guests had left. 当我赶到飞机场时,客人们已经离开了。While Jim was mending his bike, Lin Tao came to see
8、 him. 正当吉姆修自行车时,林涛来看他。While they were talking , the bell rang. 正在他们谈话的时候,上课铃响了。 You cant do your homework while youre watching TV. 你 不 能 一 边 看 电 视 一 边 做 家 庭 作 业 。 While John was sitting biting his nails, I was working out a plan to get us home. 约翰坐在那里咬指甲时,我想出了一个回家的办法。 When he had finished his homework,he took a short rest当他完成作业后,他休息了一会儿。