Matching Pairs Conditional Clauses. 2.Online version Match the if-clause with the main clause. by Isabel Gallego Chaves 1 If Mum called, 2 If Hanna's child was born in 2015, 3 How can I trust you 4 If Hanna's child had been born in 2015, 5 If Mum had called, 6 If Mum calls, 7 How would I have trusted you 8 How could I trust you if you had been a liar since I remember? if you lied to me about your feelings? she wouldn't have been in primary school this year. if you always lie to me? she is going to be two years old this year. I would take her message. pick up the phone immediately. we could have told her the news.