English Dictionary

could

/kʊd/

verb

simple past tense of can / Used as a past subjunctive (contrary to fact). / Used to politely ask for permission to do something. / Used to politely ask for someone else to do something.

She could swim when she was five years old.

意味（1）

simple past tense of can

Before I was blind, I could see very well.

意味（2）

Used as a past subjunctive (contrary to fact).

I think he could do it if he really wanted to.

意味（3）

Used to politely ask for permission to do something.

Could I borrow your coat?

意味（4）

Used to politely ask for someone else to do something.

Could you proofread this email?

意味（5）

Used to show the possibility that something might happen.

Even without hovering drones, a lurking assassin, a thumping score and a denouement, the real-life story of Edward Snowden, a rogue spy on the run, could be straight out of the cinema. But, as with Hollywood, the subplots and exotic locations may distract from the real message: America’s discomfort and its foes’ glee.

意味（6）

Used to suggest something.

You could try adding more salt to the soup.

意味（7）

(obsolete except Tyneside) past participle of can

I haven't could sleep.