"Conditionals I, II or III"

If I had closed the window, the cat …. (not/jump) out.

Sandra will join us later unless she …. (have) a lot of work to do.

They would have helped us move house if we …. (ask) them.

If I …. (be) you, I wouldn’t drive in the snow.

John may win if he …. (take) part in the contest.

If I had known him last year, I …(talk) to him then.

If Bill …. (come) home early, he will eat dinner with us.

If Jane … (be) older, she could live by herself.

 If Jack had toothache, he … (go) to the dentist.

If you …. (not/watch) the film so late yesterday, you would not have been so tired.

I will tell him the news when he …. (call) me.

You would not be punished so often, if you … (not/talk) back to your parents.