while he yan was at the doctor's,I was going to the class这里为什么不用WHEN

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while he yan was at the doctor's,I was going to the class这里为什么不用WHEN
while he yan was at the doctor's,I was going to the class这里为什么不用WHEN

while he yan was at the doctor's,I was going to the class这里为什么不用WHEN
当while表示在...期间,当...时候,可以被when换用；但这里是用来表示前后两种情况的比较,可以翻译为“而”：他在医生那儿,而我正打算去上课.如果句子是表达“当他在医生那儿的时候,我正打算去上课”是可以换为when的

while 强调两个动作同时进行，表示对比（前后两句时态相同）

While He Yan was at the doctor's. I was going to the class. While He Yan was having English class, I was having a test. While she was having lunch with her mother, I was playing in the park. While she visiting her aunt in hospital, I was studying in the classroom. While she was going shopping, I was going home。

当while表示在...期间，当...时候，可以被when换用；但这里是用来表示前后两种情况的比较，可以翻译为“而”：他在医生那儿，而我正打算去上课。如果句子是表达“当他在医生那儿的时候，我正打算去上课”是可以换为when的

While He Yan was at the doctor's.I was going…为什么是doctor's while he yan was at the doctor's,I was going to the class这里为什么不用WHEN While He Yan was at the doctor's,I was going to the class.while引导的从句是用进行时,这里用的却是过去时? 如果答出来,我感谢你八辈祖宗Look at what He Yan did yesterday.Write what you were doing at these times.比如：While He Yan was at the doctor's,I was going to the class.9:00-9:30at the doctor's10:00-11:00had English class12:00-1:00had lu 关于while he yan was at the doctor's. l was going to the class英语短文悬赏分：20 | 提问时间：2007-新目标英语八年级下unit2 self check 2作文怎么写 While he was e() He got excited at the news,while I was calm.为什么用while ,不用when 英语翻译1.While He Yan was at the doctor's,I was going to the class.翻译：分析句子结构：2.Although some people may not remember who murdered him,they remember what were doing when they heard about the event.翻译：分析句子结构 He was having dinner____a unknown woman knocked at the door.填when还是while? He got excited at the news,while I was clam.啥意思 He got excited at the news,while I was clam.啥意思 while he was studing为什么要was he built his first computer while he was at university useing an old television.为什么用useing.请指导 When was he at berners-lee built his first computer while he was at university using an old television 怎么翻译划分句子成分Berners-Lee built his first computer while he was at unversity using an old television! ___ crossing the street ,he was knocked down by a car.选项:a、By b、During c、At d、While什么不能选 while 请讲明原因 He was listening to music while he was playing computer games.(while改成动名词作状语.).