ex 3:
1. If we had separate bedrooms, my sister and i we haven't argue all the time
2.If i am in hurry, i won't stay for a meal.
3.If it's raining, i won't go for a jog.
4.If he sits around all day, he won't be very fit.
5.If teachers salaries are very low, not many people will want to become teachers.
