Exercise 1: Fill in the right form of the verbs in the brackets.

1) If I need anything, I will tell you. 2) If I had her number, I would call her immediately. 3) If you water plants regularly, they grow faster. 4) If my uncle drove more slowly, I would join him for a ride. 5) If he studies harder, he will pass all his exams. 6) I would not live in this old house if I were rich. 7) If the sun goes down, it gets dark. 8) I will help you if your homework is too difficult.