when的用法五种句型 when这时突然三个句型？

when的用法五种句型

when这时突然三个句型？

when这时突然三个句型？

when的句型
doing sth…when…
例:He was still smiling when the door opened and his wife came in.
他正笑着的时候门突然开了，他妻子走了进来。
about to do sth…when…
例:We were about to start when it began to rain.
我们刚要出发，天就开始下雨了。
3.had not done sth…when…/hardly…when…
例:He had not fallen asleep when the telephone rang.
他刚要入睡电话就响了。
4.had just done…when…
例:I had just gone to bed after a very hard day when the phone rang. 在劳累了一天之后我刚刚就寝，电话铃就响了。

it was when…的句型总结？

是时间状语从句，例如：
was when she started drama classes that she really came out of herself.她是在开始学习戏剧课程时才真正不再害羞。
first I knew about it was when I woke up in the ambulance.当我从救护车中苏醒过来时才知道发生了什么事。
3.I didnt realize how late it was when we were playing.“我们玩得忘了时间。”

be doing when 相关的句型？

when除了用来引导主语从句、宾语从句、时间状语从句、表语从句和定语从句，还有一种用法值得关注，那就是when引导并列分句，意思是“这时突然;就在那时”，强调另一个动作的突然发生。
常用于以下句型中：
(1)、主语 be doing… when…意思是“正在做某事这时……”;(2)、主语 be about to do…when…;(3)、主语 be on the point of (doing) …when…意思是“正要去做某事这时……”
如：
　　I was walking along the river when I heard a drowning boy cry for help. 我正在河边行走，这时我突然听到一个落水男孩求救。
　　I was about to leave when it began to rain. 我刚要离开，这时下雨了。
I had just finished my exam paper when the bell rang, announcing the class was over. 我刚做完作业，下课铃响了。
　I was walking along the streets. Just at the moment I caught sight of a tailors shop. 我在街上走。就在那时我看见一家裁缝店