Matching Pairs Conditional Clauses. 1.Online version Match the if-clause and the main clause. by Isabel Gallego Chaves 1 If you add sugar to your tomato sauce, 2 If I paid you twice, 3 Theresa will not be allowed to play the following match 4 If Daphne hadn't worn that high-heels, 5 Don't turn off the computer 6 Fair play is not an option 7 If Sarah knows about Jack's affair, 8 If I were your teacher, if she is late again for training. could you have the work done earlier? she will end up with their relationship at once. I would be stricter with you. she wouldn't have broken her ankle. if you need to win an important competition. the sauce tastes less sour. if it is updating apps and files.