1 I know Tom __________________________ (SING) that song if you __________________________ (REQUEST) it. 2 The trip __________________________ (TAKE) a day if all __________________________ (GO) well. 3 What __________________________ (HAPPEN) to our children if nuclear war __________________________ (BREAK OUT)? 4 If it __________________________ (RAIN) tomorrow, I __________________________ (STAY) at home all day. 5 If you __________________________ (WANT) this pen, I __________________________ (LEND) it to you. 6 If you __________________________ (TAKE) this bus, you __________________________ (GET) to the village. 7 If we __________________________ (DECIDE) to hire you, you __________________________ (HEAR) from us. 8 If it __________________________ (BE) sunny tomorrow, we __________________________ (GO) on a picnic. 9 If we __________________________ (EAT) all the cookies, Chris __________________________ (GET) angry. 10 Mary __________________________ (MISS) the train if she __________________________ (NOT HURRY).