- If I had known she was coming, Id have come too.
1st Question: I really understand this sentence but what if I say it like “If I knew she (would come or not or was coming or not?), I'd come too.”
Am I wrong to think that the second one might be incorrect because you haven't yet known whether she will come or not?
- (a) If I do it, it will be a mistake.
(b) If I did it, it would be a mistake.
See! Both of them are related to the future somehow.
2nd Question: What's the difference? Is it the difference of the gap of time? I think in sentence (a), it indicates that he's gonna do something right away. So, how about the sentence (b)?