"I had known her before"
"as I said before"
"he called me the day before but your call had come even earlier"
"her parents had died four years earlier"
"I mentioned that problem earlier"
"I see the lights of a town ahead"
"the road ahead is foggy"
"staring straight ahead"
"we couldn't see over the heads of the people in front"
"with the cross of Jesus marching on before"
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
He started five minutes ago.
He told me he had seen her a few minutes before.
英美人也有用ago,觉得语气比较生动。
When you call at the shop again this afternoon, you may be told that the book has been sold only a few minutes before.
He often forgets what he has heard only a few minutes before.
We (have) met them many times before.
When I went back to the town that I had left eight years before, everything was different.
All day, as three days before, we planted trees.
同三天前一样,我们一整天都在种树。
All day, as for three days before, we planted trees.
同以前的三天一样,我们一整天都在种树。
A few minutes before the accident she called on me.
(不含the/for)
During the few minutes before the accident she had a chat with me.
(含the)
For a few minutes before the accident she had a chat with me.
(含for)
It will not be long before they come back.
他们很快就回来了。
误 The students went out before the bell didn't ring.
正 The students went out before the bell rang.
before引导的时间状语从句不能用于否定句。