WHEN
1-)When I went home, my mother was outside.
2-)I was watching tv when he called me.
3-)When it started raining we were waiting for bus.
4-) when she saw me, I was going to the cinema with my friends.
5-) she was driving Ankara when she had an accident.
WHILE
1-)While I was going to the school, I saw my uncle.
2-)While my mother was wasing the dishes, the phone rang.
3-) The teacher came while the students were running in the class room
4-) While I was doing my hw my brother went outside