Potrzebuję pomocy z angielskim past simple i past Continues

Zdania których nie umiem wykonać :

1. Paul ........... (not/fall) while he ...........(run) away.

2. When I .........(arrive), the teacher ........(write) the summary

3. When I ...... (find) the wallet on the street, I .......(go) to the police and I ................(turn) it in.

4...............(Mary/break) her leg while she ...........(skate)

5. While I .......(have) a driving lesson, it ...........(start) to rain.

Będę wdzięczny za pomoc i daje naj :)