2 I won't buy any tickets if you don't want to go to the concert.
3 We'll be back home before lunch if we leave now.
4 If you go to France in May, you'll have sunny weather.
5 David will have to wear a uniform if he becomes a police officer.
6 If the teacher doesn't give us a test tomorrow, I'll be very happy.
7 Will you wait for me if my train is late?
