3. Complete the sentences with the right forms of the verbs in brackets.
1. If it (rain), I will stay at home. 2. What will he do if he (win) the game? 3. Our parents will be happy if we (see) New Year in with them.4. I am not sure if they (go) to the circus tomorrow. 5. If she (buy) new trainers, she will be happy. 6. Tom will phone you when he (be) free.