Superstitions Using First Conditional by Learn English With Beats (YouTube)
If you smash a mirror, you will (1)________ 7 years' bad luck, but you will have good luck if you (2)__________ a lucky rabbit's foot.
If you see a magpie, and it's all on its own, you (3)________ salute the magpie - you will (4)________ bad luck if you don't.
If you knock on wood, it will keep all bad luck away. Your (5)________ will not (6)________ true if you (7)____________ it on your birthday.
If you open an umbrella and you're still inside, bad (8)________ (9)________ (10)________ down on you so please don't even try.
If you see a magpie, and it's all on its own, you (3)________ salute the magpie - you will (4)________ bad luck if you don't.
If you knock on wood, it will keep all bad luck away. Your (5)________ will not (6)________ true if you (7)____________ it on your birthday.
If you open an umbrella and you're still inside, bad (8)________ (9)________ (10)________ down on you so please don't even try.
Answers:
(1) have(2) carry(3) must(4) have(5) wish(6) come(7) reveal(8) luck(9) will(10) rain