How can you use 'could'? | Modal Verb

COULD


Could is the past of Can.
It’s used as the past of can to talk about what something or someone was able to do.

  1. Possibility
    Used to talk about possibilities
    E.g
    It could be true that he is the owner of the car.
    They could come any time from now hurry up.

  2. Permission
    Used to ask for polite permission.
    e. g
    Could I see the boss please?

  3. Request
    e.g
    Could you lend me £15

  4. Suggestion
    Used to while talking about suggestion
    You could try dying it blue.

Other uses
Could have in if clauses