Rewrite each sentence, beginning as shown, so that the meaning stays the same

Rewrite each sentence , begining as shown , so that the maening stays the same
1, Alen played football . He hurt his leg.
-> Alen hurt his leg white ...
2, I finished all my homework then Ben arrived
-> By the time Ben ...
3, During lunch , someone rang the bell
-> While ...
4, The film stared at 8p.m .I got to the cinema at 8.15 p.m
-> When I got ...
5, I have studied English for five years
-> I began ...
6, The phone rang during the dinner
-> While I ...
7, Sue left the house , but the first she locked the doors
-> Before Sue ...
8, Alan was skilling in Switzerland and met his old friend
-> While Alan ...
10, He did all his homework and then went to bed
-> After he ...
11, Michael took a deep breath and then dived into the water
-> After Michael ...
12, We missed the bus so we took a taxi
-> We took a taxi because ...