1. If he had come to our house yesterday, he would meet his friend.
2. Your friend lived in Siberia for five years before he moved to the far east.
2. Your friend had been living in Siberia for five years before he moved to the far east.
1. If he had come to our house yesterday, he would meet his friend.
2. Your friend lived in Siberia for five years before he moved to the far east.
1. If he had come to our house yesterday, he would meet his friend.
2. Your friend had been living in Siberia for five years before he moved to the far east.