Question: What is the passive voice of \'They are painting the house\'?

Options:

1. The house is painted by them.
2. The house was painted by them.
3. The house is being painted by them.
4. The house has been painted by them.

Correct Answer: The house is being painted by them.

Solution:

In passive voice, the focus is on the action being done to the subject. \'The house\' is the subject receiving the action.