1. If he would have done this, I would have done that. 2. If he could have done this, I would have done that. I think this is correct as the second conditional, as requiring corresponding action from both parties..
If he would do this, I would do that.
Top answer
The first form is used by some native speakers, but it is not generally accepted. These are correct: 1. If he had done this, I would have done that.
— Mister Micawber
The first form is used by some native speakers, but it is not generally accepted.
These are correct: 1.
If he had done this, I would have done that.
2.
If he could have done this, I would have done that.
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