1 If you (find) a skeleton in the cellar, don't mention it to anyone.
2 If you pass your examination, we (have) a celebration.
3 What (happen) if I press this button?
4 I should have voted for her if I (have) a vote then.
5 If you go to Paris, where you (stay)?
6 If someone offered to buy you one of those rings, which you (choose)?
7 The flight may be cancelled if the fog (get) thick.
8 If the milkman (come), tell him to leave two pints.
9 Someone (sit) on your glasses if you leave them there.
10 You would play better bridge if you (not talk) so much.