Pelin
Can I use these interchangeably?
(Someone's upset that they couldn't stop an accident, etc. in the past).
If I say,
How could you possibly have helped?
What could you possibly have done to help?
2021年11月13日 19:25
回答 · 2
Your first two sentences mean the same thing to me and are both correct. The sentence in your follow-up comment is slightly different in meaning but still correct and possible in the same situation.
2021年11月13日
And this,
Who could possibly have done anything?
2021年11月13日
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