Use passive voice
1. they started THE COMPANY a hundred years ago/
2. they changed EVERYTHING
3. they will repeat THIS TV PROGRAMME next week
4. did you prepare THE DOCUMENTS?
5. will they build A NEW SCHOOL in summer?
6. a friend invited ME to a birthday party
7. did you plant THE TREES?
8. we sent for THE DOCTOR

1. The company was started a hundred years ago2. Everything was changed3. This TV programme will repeat next week4. Did the documents prepare?5. Will a new school build next summer?6. I was invited to the birthday party7. Did the trees plant?8. The doctor is senting.