4 Complete the sentences with verbs in the present simple or the future simple forms.
1. If you …...................... (not come) to my party, I ….......................... (not speak) to you again.
2. If I …................................. (see) him, I ........................…. (tell) him about it.
3. If you …................................ (try) harder, you …..............................................(do) it.
4. If he ….....................… (pass) the exam, his father …..........….......... (buy) him a new
computer.