1.When I arrived the teacher wrote the summary
2.He crossed the road when I saw him
3.Why did they shout at you when I woke up?
4.They fixed the computer when I opened the door
5.Did Mary broke her leg while she skated?
6.I slept when she knocked on the door
7.When I saw Jim at the disco he did not talk to the Dj
8.I was watching a film when the electricity got out
9.The Titanic did not cross the Pacific Ocean when it striked an iceberg
10.Paul did not fall while he ran away
11.Carol falled asleep while she read the book
12.While my father drove home,he did not answer his mobile phone
