could
01
可以, 能
used as the past tense of ‘can’
语法信息
形态构成
简单词
状态动词
规则
现在时
can
第三人称单数
can
现在分词
being able to
一般过去时
could
过去分词
been able to
例子
When I was younger, I could run faster.
当我年轻时，我能跑得更快。
02
你可以, 你能
used to ask if one can do something
Transitive
例子
Could you please pass me the salt?
你能把盐递给我吗？
03
可能, 可以
used to show the possibility of something happening or being the case
Transitive
04
可以, 能
used to present an offer or recommendation
Transitive
