1. Nam is watching a soccer match now.

=> A soccer match is being watched by Nam now.

2. Ba is cleaning the floor at the moment.

=> The floor is being cleaned by Ba at the moment.

3. My mother is cooking meal at this time.

=> Meal is being cooked by my mother at this time.

4. The workers are painting the house now.

=> The house is being painted by the workers now.

5. The students are doing exercises on passive forms

=> Exercises on passive forms are being done by students.

6. Lan isn’t reading books at the moment

=> Books aren't being read by Lan at the moment.

7. What are you doing at the moment?

=> What is being done at the moment?

8. Is Tom making a toy now?

=> Is a toy being made by Tom now?

9. Are the workers building the school now?

=> Is the school being built by the workers now?

10. What is the teacher writing on the board?

=> What is being written on the board by the teacher?

 1) A soccer match is being watched by Nam now.

2) The floor is being cleaned by Ba at the moment.

3) Meal is being cooked by my mother at this time.

4) The house is being painted (by the workers) now.

5) Exercises on passive forms are being done by the students.

6) Books aren't being read by Lan at the moment.

7) What is being done by you at the moment?

8) Is a toy being made by Tom now?

9) Is the school being built (by the workers) now?

10) What is being written on the board by the teacher?