when was doing,when和while的区别

when was doing,when和while的区别

没有when was doing的说法。有when doing,用法如下：when从句的主语和主句的主语是同一个或同一些人时，从句的谓语动词为be动词+doing形式，可以把从句的主语和bWhen A was doing sth, B did sth. 这里B did sth 是主句，是句子强调的重点。这个句式有“正……忽然……”的含义，表示突然发生某事。如：I was about to leave my office wh

1. I was doing my homework when the power went out. 当停电时，我正在做作业。2. She was doing yoga when her phone rang. 她正在做瑜伽时，电话响了。3. They were doinWhat I Was Doing When I Was Doing What I Was Doing,由歌手Djrum演唱，酷我音乐网提供What I Was Doing When I Was Doing What I Was Doing无损音乐，What I Was Doing When I Was D

⊙＾⊙ 一：as/were doing . when. 是指当后者发生的时候，前者正在做某事. 一般前面用过去进行时，后面用一般过去时，后者也可以用过去进行时，即后者可以是瞬间动作或持续when was doing是一般过去时。doingv. 做；干(do的ing形式)n. 活动；所作所为例句：What on earth are you doing? 你究竟在干什么？Shes doing a terrific job. 她

意思如下：1、主语＋was/were doing when（过去）发生时主语正在做某事I was doing my homework when she wa传统语法中，从句指的是限定性分句，因此when doing这种从属连词+非限定动词组成的分句必须得解释成限定性

当并列连词when用于"就在这时，正在这时"的用法时，它所引导的并列句表示动作发生后，另一个并列句所表示的动作之后，一般不可以用其他词代替，常用于以下结构：1.w3. when you do the work, you must be careful. = When doing the work, you must be careful. 4. Though he is poor, he is happy. = Though poor, he is happy. 5. While