61. If you ........................................... (check) the car, it (not break) ........................................... down in the middle of the desert.
62. If it ........................................... (notrain), the children (play) ........................................... outside.
63. If my parents ........................................... (not be) so tired, they ........................................... (watch) the film on TV.
64. If she ........................................... (buy) a new hard disk, she ........................................... (not lose) all data.
65. If we ........................................... (use) the town map, we ........................................... (not get) lost.
66. If Tom ........................................... (eat) more salad, he (not catch) ........................................... a cold.
67. If the police ........................................... (not stop) me, I ........................................... (reach) you in time.
68. If his older brother ........................................... (not drive) so fast, he ........................................... (not crash) into the other car..
69. If Fred ........................................... (not cheat) at the test, his teacher ........................................... (not phone) his father.
70. If I ........................................... (not switch off) the radio, I ........................................... (know) about the second goal.
71. If I (have) ........................................... a typewriter, I could type it myself.