before的用法及句型,before的用法和句型

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before的用法及句型,before的用法和句型(1)

(1) before sb can/ could … 某人还没来得及……

例:Before I could get in a word ,he had measured me.

我还没来得及插话,他就给我量好了尺寸。

(2) It will be 时间 before 从句; 还有多长时间……

例:It will be 4 years before he graduates.

他还有四年时间变毕业了。

(3) had done some time before (才……)

例:We had sailed four days and four nights before we saw land.

我们航行了四天四夜才见到陆地。

(4) had not done ... before ... 不到……就……

例:We hadn’t run a mile before he felt tired.

我们还没走到一英里路就觉得累了。

(5) It was not 一段时间 before 不多久就……

例:It wasn’t two years before he left the country.

还没到两年他们离开了那国家。

before的用法及句型,before的用法和句型(2)

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