Каково основное предназначение первой медицинской и кто её оказывает?

1. Greeting cards were sent by her ten days ago.
2. He is being folowed by his enemies.
3. Jimmy was given money.
4. I was taught French by my sister.
5. The timetable is changed once a week.
6. Letters are written by Mum on Fridays.
7. Now his car is being repared by her.
8. I was called at 3 a.m.
9. A new bag has been bought by Sue.
10. Our work has not been finished, yet.