Tecт "Conditionals I, II or III"

Open the brackets to make I, II or III Conditionals:

1. If I had closed the window, the cat …. (not/jump) out.
2. Sandra will join us later unless she …. (have) a lot of work to do.
3. They would have helped us move house if we …. (ask) them.
4. If I …. (be) you, I wouldn’t drive in the snow.
5. John may win if he …. (take) part in the contest.
6. If I had known him last year, I …(talk) to him then.
7. If Bill …. (come) home early, he will eat dinner with us.
8. If Jane … (be) older, she could live by herself.
9. If Jack had toothache, he … (go) to the dentist.
10.  If you …. (not/watch) the film so late yesterday, you would not have been so tired.
11.  I will tell him the news when he …. (call) me.
12. You would not be punished so often, if you … (not/talk) back to your parents.