Odpowiedź:
1 A car was bought by Ola last weekend.
2 Dinner is cooked by my mum every Sunday.
3 A car was stolen yesterday.
4 Cars and motorbikes are fixed by Adam.
5 The lake was swum in by Lucy last summer.
6 Roksana's room is tidied by her every Saturday.
7 The boy's wallet was lost by him.
8 The exam wasn't passed by us.
9 Cars aren't fixed by my father.
10 The plants weren't watered by Tom.