II. The past progressive tense in the passive. (+) S + was/ were + being + P + by + O (-) S + was/ were + not + being +P+ by + O (?) Was/ Were +S+ being + P + by + O? Exercise: Turn these sentences into the passive voice. 1. They were repairing this house all the morning yesterday. 2. They were watching T.V when I came. 3. Tom was planting trees at 4 o'clock yesterday afternoon. 4. Our teacher was asking us many questions when the principal came. 5. She was cleaning the floor at this time yesterday. 6. They were building this bridge when we came. 7. Mr.Brown was taking his children to the zoo at 7 o'clock last Sunday. 8. Workers were filling the holes in the yard at this time yesterday. 9. They were repainting the gate of the school when I came. 10. Were you doing homework at this time last week?