1.(北京卷)If I hadn't_seen(not see) it with my own eyes, I wouldn't have believed it.
2.(江西卷)We would_/could_/might_have_put(put) John's name on the race list yesterday but for his recent injury.
3.Why didn't you tell me about your trouble last week?If you had told me, I could/might/would_have_helped.(help).
4.If you hadn't_watched(not watch) TV yesterday,you wouldn't_be(not be) so sleepy now.
5.Without war in the world,people would_/could_live (live) a happier life.
6.Had I known your telephone number yesterday,I would /could /might have telephoned (telephone) you.