1. I'm not allowed to take the seat by the window by the teacher.

2. Was Erik given any encouragement at all by Professor Fox ?

3. His new play is being talked about a great deal by everyone.

4. The boy screamed while one of his teeth was being pulled out by the dentist.

5. Great progress......medicine have been made by us.

6. Your report had to be handed in before the end of this month.

7. Television programmes should be made more interesting for children by people.

8. The bills have to be paidby he before the fifth of the month.

9. Researches on AIDS were begun to carry out by scientists in 1980.

10. Dr.Benson was seen to leave his office at six o'clock this evening.

11. It's said that he's the rickest man in our town.

1. I'm not allowed to take the seat by the window.

2. Was Erik given any encouragement at all by Professor Fox ?

3. His new play is being talked about a great deal.

4. The boy screamed while one of his teeth was being pulled out by the dentist.

5. Great progress in industry, science, and medicine has been made.

6. Your report had to be handed in before the end of this month.

7. Television programmes should be made more interesting for children.

8. The bills have to be paid before the fifth of the month. 

9. Researches on AIDS were begun to carry out by scientists in 1980.

10. Dr. Benson was seen to leave his office at six o'clock this evening.

11. He is said to be the richest man in our town.