Chuyển giúp em về câu bị động với 4. Peter finished his assignment two days ago. 5. The teacher is introducing a new game now. 6. The Prime Minister is making a speech at the moment. 7. Her father was planting different kinds of flowers in the garden 8. They have used these machines for five years. 9. They have just sold that old house. 10. The teacher will correct exercises next week. 11. You should complete this form in black ink. 12. No one can solve that problem.

Chuyển giúp em về câu bị động với 
4. Peter finished his assignment two days ago.

=> Peter's assignment was finished two days ago.
5. The teacher is introducing a new game now.

=> A new game is being introduced by the teacher now.
6. The Prime Minister is making a speech at the moment.

=> A speech is being made by the Prime Minister at the moment
7. Her father was planting different kinds of flowers in the garden

=> Different kinds of flowers were being planted by her father in the garden
8. They have used these machines for five years.

=> These machines have been used for 5 years
9. They have just sold that old house.

=> That old house has just been sold
10. The teacher will correct exercises next week.

=> Exercises will be corrected by the teacher next week
11. You should complete this form in black ink.

=> This form should be completed in black ink
12. No one can solve that problem.

=> That problem can't be solved

4. Peter finished his assignment two days ago.

⇒His assignment was finished by peter for two ago.

5. The teacher is introducing a new game now.

⇒A new game is being introducing by the teacher now.

6. The Prime Minister is making a speech at the moment.

⇒Making a speech is being making by The Prime Minister at the momnet.

7. Her father was planting different kinds of flowers in the garden

⇒Different kinds of flowers was being planitng by her father in the garden.

8. They have used these machines for five years.

⇒These machines have been used by us for five years.

9. They have just sold that old house.

⇒That old house have just been sold.

10. The teacher will correct exercises next week.

⇒Exercises will be corrected by the teacher next week.

11. You should complete this form in black ink.

⇒This form should completed in black ink.

12. No one can solve that problem.

⇒This problem can't be sloved