句型7

…before…特殊用法(1)"没来得及……就……"

[例句]

The roof fell before he had time to dash into the room to save his baby.

他还没有来得及冲进房间救孩子，房顶就塌了。

He ran off before I could stop him. 我还没有来得及阻止，他已经跑了。

To my great disappointment, my favorite singer left the concert before I could have a word with her.

让我非常失望的是，我还没有来得及和我最喜欢的歌手打招呼，她就已经离开了。

句型8

…before…特殊用法(2)"过了多久才……"或"动作进行到什么程度才……"

[例句]

They walked about fifty miles to the west before they saw a village.

他们西行50英里才看到一个村庄。

The workers worked day and night about three days before everything returned to normal.

工人们连续工作3天才使一切恢复正常。

He almost knocked me down before he knew it.

他几乎撞到我了才意识到。

We had walked a long way before we found some water.

我们走了很长的路才找到一点水。

Five years went by before I knew it. 不知不觉，五年过去了。