1. A lot of technology is used by teenagers.

2. A motorbike is ridden by my brother.

3. Scrabble is played by us.

4. A new tablet was bought by her.

5. Five hamburgers were eaten by Tom and Max.

6. Good pancakes were baked by granny.

7. Text messages are sent by her every hour.

8. My silver Ferrari was stolen by the burglar.