past of
<Bold><Bold>CAN<Superscript>1</Superscript></Bold></Bold> 的过去式。
used to indicate possibility
可能
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they could be right 他们可能是对的
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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
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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
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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
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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
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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。
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could do sth 能做某事
真题例句:
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could you do...? 你可以...吗?
真题例句: