Chia động từ (câu điều kiện)

33. What they (do) if they (become) rich?
34. Where Ba (go) if he (have) a new car now?
35. If she (be) there last week, she (help) them
36. If I (have) a lot of money yesterday, I (buy) it
37. If Ba (not buy) it last Sunday, Hung (buy) it
38. The football match (be) great fun, if it (not rain) yesterday
39. He (not do) that mistakes if you had given him an advice
40. If they had had money, they (buy) many toys
41. If you saw snake, what you (do)?
42. What you (do) if the bus had been late?
43. What you (do) if you had been there yesterday?
44. If you had had money yesterday, what you (buy) first?
45. Please call the doctor if your son (have) a temperature
46. If they'd know you were there, they (come) sooner