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  1. Home /
  2. Dictionaries /
  3. 英汉词典 /
  4. could

could

/kʊd/
能够

She could swim when she was five.

她五岁时就能游泳。


一般

表示能力或可能性,通常用于过去或假设的情况。

I could help you if you need it.

如果你需要的话,我可以帮你。

It could rain tomorrow.

明天可能会下雨。

在过去时态中,'could' 表示过去的能力;在现在时态中,表示可能性。

polite

用于礼貌地提出请求或建议。

Could you pass me the salt, please?

请问,你能把盐递给我吗?

Could we meet at 3 PM?

我们可以三点见面吗?

这种用法通常用于正式或礼貌的场合。

搭配

could be可能是could have本可以could not不能

同义词

mightmaycan

反义词

could notcannot

相关短语

could have短语
本可以
could be短语
可能是

专业提示

礼貌用语

'Could' 常用于礼貌地提出请求或建议,如 'Could you help me?'。

黄金法则

时态使用

'Could' 在过去时态中表示过去的能力,在现在时态中表示可能性。

词源

源自古英语 'cunnan',意为 '知道',后演变为表示能力或可能性的模态动词。

用法说明

在英语中,'could' 是 'can' 的过去式,也用于表示假设或可能性。

单词拆解

could
能力或可能性
root
英汉词典
Browse more English→Chinese words →

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