Решите пожалуйста номер 2!!!! Очень срочно!!!

1) I was playing footbal when I broke my leg

2) I fell asleep while I was doing my maths homework

3) My brother came home while I was doing my homework

4) It started snowing while I was playing tennis

5) When dad was living in Sydney he met mum

6) While Sally was having lunch her dad came home