could

could
modal verb

past of can
can 的过去式
■used to indicate possibility
可能
they could be right.
他们可能是对的。
I would go if I could afford it.
如果负担得起我会去的。
■used in making polite requests
（用于礼貌的请求）可以；能够
could I use the phone?.
我可以用这个电话吗？。
■used in making suggestions
（用于提建议）可以
you could always ring him up.
你可以随时给他打电话。
■used to indicate annoyance because of something that has not been done
（对未做的事情表示恼怒）本可以；本来应该
they could have told me!.
他们本该告诉我的！。
■used to indicate a strong inclination to do something
（表示做某事的强烈愿望）想要
he irritates me so much that I could scream.
他让我如此恼怒，以至于我都想尖叫了。

用法

For a discussion on the use of could of instead of could have, see usage at have

英语宝典

热门查询

英语宝典

考试词汇表

　