when的用法归纳句型结构,what的用法和句型结构

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when的用法归纳句型结构,what的用法和句型结构(1)

(1) be 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。

(2) be 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。

when的用法归纳句型结构,what的用法和句型结构(2)

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