Change the following active sentences into passive without mentioning the doer of the action or the agent.
1. school will open classes in August.
2. You must study today's lesson.
3. They make bags in that factory.
4. Clyde Tombaugh discovered pluto 1930.
5. the police have to search your house again.
6. John committed the mistake again.
7. We should take up this matter in our next meeting
8. The committee had discussed the issue before we arrived.
9. His relatives will meet him at the terminal.
10. They have produced cars in this plant since 1990.
Answers & Comments
Answer:
1. The classes will open in August.
2. The lessons must be studied today.
3. Bags are made in that factory.
4. Pluto was discovered in 1930.
5. The house is needed to be searched again.
6. The mistake was committed again.
7. On the next meeting, the matter should be took up.
8. Before arriving, the issue was already discussed.
9. The terminal will be their meeting place.
10. Since 1990, cars were produced in this plant.