18. Don't wory. We'll have finished the work by 11.00.
The work will have been finished by 11.00
1. They built the castle in 14th century.
The castle was built in 14th century
19. Has Tom mended the chairs?
Have the chairs been mended by Tom?
2 They raise a lot of cattle on the Highlands
A lot of cattle are raised on the Highlands
20. The man said somebody had forced him to sign the statement
Somebody is said to had forced the man to sign the statement
3. We make these tables of cement.
These tables are made of cement
21. They are puling down the old theatre and building a new one
The old theatre is being pulled down and a new one is being built
4. Did Margaret write this poem?
Was did poem writen by Margaret?
22. They produce a lot of rubber in Malaysia.
a lot of rubber is produced in Malaysia
5. When we amived, they had sold all the tickets
All the tickets had been sold when we arrived.
23. Nobody has ever seen this strange animal before
this strange animal has never been seen before
6. Someone broke into their hoOuse some days ago.
Their house was broken into sone days ago
24. We must keep this talk secret.
this talk must be kept a secret
7. John has never disagreed with this plan.
this plan has never been disagreed by John
25. His father gave him a watch for his birthday.
He was given a watch for his birthday
8 Have they fixed a day for the meeting? - No, they haven't.
Has a day for the meeting been fixed?
26. We should warn the director of this risk.
The director should be warned of this risk
9. They only asked me something and then let me go.
I was only asked something and then let go
27. It's difficult for us to understand all this information
All this information is difficult for us to understand
10. Who will make this week's report?
Who will this week report be made by?
28. He wants me to finish the work by 4pm.
I am wanted to finish the work by 4pm
11. Do you know who caused the fire?
Do you know who was the fire caused by?
29. You mustn't leave this door open under any circumstances.
This door mustnt be left open under any circumstances
12. They are going to install a new burglar alam in the building
A new burglar alamis going to be installed  in the building
30. She has become so selfish as her parents don't take good care of her.
She has become so selfish as she didn't taken good care of by her parents
13. He's so kind that everyone likes him
He's so kind that he is liked by everyone