Exercise 11. Use the correct tense form:
If you 1) make (to make) a mistake, they will find you. If they 2) ________ (to find) you they will catch you. If they 3) ________ (to catch) me, I shall confess. If you 4) ________ (to confess) they will put you into prison. If you 5) ________ (to be) lucky, they won't catch you. If you 6) ________ (to go) to Rome, you'll see the Coliseum. If you 7) ________ (to visit) London, probably you'll see the Queen. If you 8) ________ (to stay) with me you won't see anything, but I'll be happy. When he 9) ________ (to propose) to her, she'll marry him. But she won't be happy when she 10) ________ (to marry) him. I shall visit you as soon as I 11) ________ (to feel) better. We shall stay here as long as our money 12) ________ (to last). They won't send us a telegram unless there 13) ________ (to be) something urgent. You'll phone me before you 14) ________ (to go) away, won't you? I’11 come to London after they 15) ________ (to find) some place for us to stay at. We'll work till it 16) ________ (to get) absolutely dark. Students won't get financial rewards unless they 17) ________ (to get) high grades. What will you do when summer 18) ________ (to come)? If he not 19) ________ (to come) we'll have a problem.