when 和while的练习4) a) ______ Jenny was in Form One,her brother went to the USA.4) b) Jenny was in Form One ______ her brother went to the USA.为什么a用while,不用when?as是不是指同一个人同时做两个动作的时候用?

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when 和while的练习4) a) ______ Jenny was in Form One,her brother went to the USA.4) b) Jenny was in Form One ______ her brother went to the USA.为什么a用while,不用when?as是不是指同一个人同时做两个动作的时候用?
when 和while的练习
4) a) ______ Jenny was in Form One,her brother went to the USA.
4) b) Jenny was in Form One ______ her brother went to the USA.
为什么a用while,不用when?
as是不是指同一个人同时做两个动作的时候用?

when 和while的练习4) a) ______ Jenny was in Form One,her brother went to the USA.4) b) Jenny was in Form One ______ her brother went to the USA.为什么a用while,不用when?as是不是指同一个人同时做两个动作的时候用?
while和when虽然可以表达“在...的时候”的意思,但是两个词所表达的意境是有差别的
while有一种轻微的对比,转折的韵味,表达了两种境况的轻微对比
when则表达“在.的时候”,没有对比的含义,翻译如下:
1.Jenny 的兄弟去了美国,可是 Jenny 则进了Form One .
2.当Jenny 进入Form One 时,她的兄弟去了美国.
汉语能翻译出单词的意思,但表达不出单词的意境
如果你愿意积累,你会发现很多单词在汉语上的意思是差不多的,但是用起来却有很大的差别.

a用when当Jenny在...时,他哥哥在...b用while,然而/但是的意思。as有很多用法,百度“as的用法”,很全的.

while 引导的从句必须是延续性的,而b)中的从句是瞬间的,只能用when