If I had known it earlier,I would have made preparations.

If I had known it earlier,I would have made preparations. Had known it earlier,I would not have gone back! had i known it ,i would have.. 英语翻译if i had known that,i would have left you.had i know her Had i known that you wanted to read it,i would have returned I wish I had known earlier that you could have acaree ,even If I had known that,I could have helped you.had和known怎么都是过去式 he would have if i had asked 1,____ ,I would have phoned you ,a,if I knew it b,had I know 求翻译!“if i had believed that ,i couldn't have made it” but even if I had,I would not have imagined it like this. If I had got there earlier,I should/could have met her.