Поставте слова, в пра вильную форму: 7.we might not have stayed at this hotel if george (not/commended) it to us. 8.tom (not/enter) for the examination if he had know that it would be so difficult. 9.if i (know) that you were ill last week, i'd have gone to see you.
7.We might not have stayed at this hotel if George had not recommended it to us.
8.Tom would not have entered for the examination if he had known that it would be so difficult.
9.If I had known that you were ill last week, I'd have gone to see you.