Rewrite the sentences using the passive voice: 1. she has painted three houses so far. 2. the cats were eating their food 3. he puts puzzles together every evening 4. i took that pen to complete the test. 5. they will show a trick if you ask to 6. we had learned these grammar rules by the last lesson.

1. Three houses has been painted by her so far.
2. The food was being eaten by cats.
3. Every evening the puzzles are put together by him.
4. That pen was taken by me to complete the test.
5. The trick will be shown if you ask him.
6. These grammar rules had been learned by the last lesson.