Hi everybody,

Miki could have won. (I think possibility not ability)

The structure 'could + have + participle' always suggests 'possibility'. Am I correct?

Thank you
The problem with 'could' is precisely because it can usually mean either possibility or ability and is often confusing; that is why it is better to use 'was able to' for past ability.
Thanks very much for your time and help, MM
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goatMiki could have won. (I think possibility not ability)
No. Either one. It's ambiguous.

a) M could have won = M had the ability to win, though he did not win.

b) M could have won = Maybe M won. It's possible that he won, but I don't know yet. Nobody has told me.

CJ