I: Complete the sentenes with the correct form of the verb.
1. If we win the money, we (buy)............... a new house.
2. We (go)................. on holiday if there is time.
3. I will have no money left if I ...................(buy) that expensive car.
4. Alex ........................(be) late if he doesn't hurry up!
5. If you don't understand, I .................(help) you with the exercise
6.Greg.................................(catch) the train if he leaves soon
7. If Peter (be).................. late, we (wait)............................for him.
8. The bell..........................(ring) if there.................(be) a fire.
9. The bike........................(break) if all three of you....................(get) on it!
10. If you (not)...................learn how to use a computer, it...............(be) hard to find a job.