Đáp án: 

I

1. Their work will be finished next week 

   S + will + be + Ved/3 + (by O)

2. Considerable damage has been caused by the fire 

   S + have/has + been + Ved/3 + (by O)

3. The suspects were being followed by the police

   S + was/were + being + Ved/3 + (by O)

4. David is going to be given a big surprise    
   S + am/is/are + going to + be + Ved/3 + (by O)

5. I think dynamite was invented by Alfred Nobel

   S + was/were + Ved/3 + (by O)

II

1. Yesterday, i was woken up by a strange sound in the middle of the night

   S + was/were + Ved/3 + (by O)

2. She is respected by her children    

   S + am/is/are + Ved/3 + (by O)

3. That car have been used by that family for more than 15 years

   S + have/has + Ved/3 + (by O)

4. All the food had been eaten before we arrived at the party

   S + had + been + Ved/3 + (by O)

5. By the time we get to the store, all of the clothes will have been bought by other customers   

   S + will have been + Ved/3 + (by O)