1)when I heard the good news I was at home.
When I heard the good news I was reading a book.
2)while I was waiting for the bus, I saw my friend Nina.
While I was waiting for the bus, it was raining heavy.
3)when I first came to this school, I was only 6.
When I first came to this school I was going to class 4 "B".
4)When I woke up this morning, I had a terrible toothache.
When I woke up this morning, I was having my breakfast.
5)While everyone was having a good time at the party I was fighting with my classmate.
While everyone was having a good time at the party I bored.
Tim is gets up at 7o'clock