Change these sentences from active to passive voice.
1. umesh drove his new car.
2. he has sold his old car.
3. the captain caught the ball easily.
4. the workers shouted slogans.
5. the servant sweeps the floor.
6. the officer will give away the prizes.
7. the clerk is typing the letter.
8. those leaders are raising allegations against him now.
9. the king will discipline those ministers.
10. they will construct a new bridge over the river.
11. bring the basket.
12. add more salt.