Hello.
Is it possible to use "could have been" like below?
A: Where did you hear the news from?
B: Maybe it was FOX news, but it could've been CNN. I'm not sure. (I don't remember which.)
If it's wrong, please teach me how I should say it. Thank you in advance.
kook j A: Where did you hear the news from? B: Maybe it was FOX news, but it could've been CNN. I'm not sure.
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kook jA: Where did you hear the news from?
B: Maybe it was FOX news, but it could've been CNN. I'm not sure. (I don't remember which.)
That's fine. That's a case of "it could have been" used as "maybe it was".
CJ