when的用法四种句型及意思
回答
爱扬教育
2022-03-10
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2.be about to do sth…when…正在做某事是，突然间...
3.had not done sth…when…什么时候没做过某事。
4.had just done…when…刚做完某事。
扩展资料
例句：
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。
We were about to start when it began to rain.
我们刚要出发，天就开始下雨了。
He had not fallen asleep when the telephone rang.
他刚要入睡电话就响了。
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。