1. Letters are sent by her.
2. She was met by him yesterday.
3. Bike is ridden to school by me.
4. Much money is spent by us.
5. A car is sold by Nam.
6. Rice was cooked.
1. She sends letters.=> Letters are sent by her.
2. He met her yesterday.=> She was met by him yesterday.
3. I ride bike to school.=> Bike is riden to school by me.
4. We spend much money.=> Money is spent much by us.
5. Nam sells a car.-> A car is sold by Nam.
6. They cooked rice.-> Rice was cooked by them.