could

[kud]

can的过去式
aux.可以, 能, 可能

例句与用法：

I had to pay a 500 deposit to the landlord before I could move into the house.

我得付给房东500英镑押金才能搬进房里去。

He had no money, nor did he know anyone he could borrow from, either.

他没有钱，也不知道能够向谁借钱。

There were about 500 people there, as near as I could judge.

那里有500人，依我看有这麽多。

So hard did he study that he could easily pass the examination.

他那么努力，因而能够轻易地通过那次考试。

The woman said that she could not sleep without her husband's snore after 20 years of marriage.

那位妇人说结婚20年来，听不到她丈夫的呼噜声，她就睡不着觉。

Always he sought someone to whom he could talk without caution.

他一直在找一个能够随便谈谈的人。

I wish we could see more new programmes on television, not repeats all the time.

我真希望我们能够看到更多新的电视节目，而不是翻来覆去的那几个老节目。

I can't sing now, but I could when I was young.

现在我不会唱歌了，但我年轻的时候会。

详细释义：

v.aux.

1. can的过去式

She could play the violin when she was five.

她五岁时便能拉小提琴了。

2. (用于虚拟语气, 表示与事实相反的设想)能, 可以

I wish I could go to France.

但愿我能去法国。

I would go if I could.

能去我就去。

3. (表示可能性)可能

That could be my train.

那可能是我要乘的火车。

4. (用于婉转语气)能, 可以

Could I smoke here?

我可以在这里抽烟吗?

Couldn't you try it again?

你可否再试一下?