1 the flowers are taken today by Lan

2 the homwork was being typed in her room this time by Linda

3 his homework was finished by Tom

4 French has been learned since last year

5 if I had had a question, I could have called Hoa last night

6 many books are bought by Lan

7 if Tom had been his work too long, he could have been very sleepy

8 the essay has been written with great pleasure 

9 the house wasn't sold at the end of the street by the woman

1. The flowers aren't taken by Lan today.

2. The homework was being typed by Linda in her room this time.

3. Tom's homework was finished.

4. French has been learnt by her since last year.

5. If I had had a question for Hoa, I would have called her last night.

6. Many books are bought by Lan.

7. If Tom did his work too long, he would be very sleepy.

8. The essay hasn't been written with great pleasure.

9. The house at the end of the street wasn't sold by the woman.