1.Did -> Was

2.broken -> were broken

3.be held ->  being held

4. waited-> been waited

5. has been explained ->  has explained

6.to watered -> to be watered

7.didn’t ->  wasn't

8.can speak -> can be spoken

1. Did the portrait drawn by an eminent artist ?

2. The windows broken by the boys last week .

3. Is a big party be held at the moment?

4. How long has the doctor waited for ?

5. Mr. pike has been explained his project clearly .

6. These flowers are going to watered this afternoon .

7. I didn’t allowed to stay up late by my mother .

8. Some foreign languages can speak by Vietnamese.

Correct the mistakes :

1, Did → Was

2, broken → were broken

3, be held →  being held

4, waited → been waited

5, has been explained →  has explained

6, to watered → to be watered

7, didn’t →  wasn't

8, can speak → can be spoken