| 1) If you (to check) the car, it (not/to break) down in the middle of the desert. |
| 2) If it (not/to rain), the children (to play) outside. |
| 3) If my parents (not/to be) so tired, they (to watch) the film on TV. |
| 4) If she (to buy) a new hard disk, she (not/to lose) all data. |
| 5) If we (to use) the town map, we (not/to get) lost. |
| 6) If Tom (to eat) more salad, he (not/to catch) a cold. |
| 7) If the police (not/to stop) me, I (to reach) you in time. |
| 8) If his older brother (not/to drive) so fast, he (not/to crash) into the other car. |
| 9) If Fred (not/to cheat) at the test, his teacher (not/to phone) his father. |
| 10) If I (not/to switch off) the radio, I (to know) about the second goal. |