1.If i had had lived a thousand years ago, I would have met all the famous people from that time.
2.If i hadn't come to school today, I would have gone to the cinema with my friends.
3.If I had met the US President this morning, I would have showed him my respect.
4.If i had met a film star on the way to school, I would have asked for an autograph.
5.If i had found a twenty-euro note in the street, I would have tried to find the owner.
6.If I hadn't studied at school, I would have studied the school programme at home.
Third Conditional.