11. No one has opened that box for the past hundred years.
=> That box____________________________________________________
12: The fire has destroyed many houses.
=> Many houses ____________________________________________________
13: The children are carrying the chairs into the house.
=> The chairs ____________________________________________________
14.They awarded him the Nobel Prize for medicine in 1946.
=> He ____________________________________________________
15. We saw him leave the office at 6 o’clock this morning.
=> He ____________________________________________________
16: Why didn’t you report the accident sooner? => Why wasn’t____________________________________________________
17.Somebody has taken some of my books away.
=>some of my books
18. Mary is cutting a cake with a sharp knife.
a cake
19. The children looked at the woman with a red hat.
the woman
20. They have provided the victims with food and clothing.
the victims
11. No one has opened that box for the past hundred years.
=> That box_________________________ hasn't been opened for the past hundred years.___________________________
12: The fire has destroyed many houses.
=> Many houses _______________________ have been destroyed by the fire._____________________________
13: The children are carrying the chairs into the house.
=> The chairs ______________________ are being carried into the house by the children.______________________________
14.They awarded him the Nobel Prize for medicine in 1946.
=> He ________________ was awarded the Nobel Prize for medicine in 1946.____________________________________
15. We saw him leave the office at 6 o’clock this morning.
=> He ______________ was seen to leave the office at 6 o'clock that morning______________________________________
16: Why didn’t you report the accident sooner? => Why wasn’t_______________ the accident reported sooner?_____________________________________
17.Somebody has taken some of my books away.
=>some of my books have been taken away.
18. Mary is cutting a cake with a sharp knife.
a cake is being cut with a sharp knife by Mary.
19. The children looked at the woman with a red hat.
the woman with a red hat was looked by the children
20. They have provided the victims with food and clothing.
the victims have been provided with food and clothing.
11. No one has opened that box for the past hundred years.
=> That box hasn't been opened for the past hundred years.
12: The fire has destroyed many houses.
=> Many houses have been destroyed by the fire.
13: The children are carrying the chairs into the house.
=> The chairs are being carried into the house by the children.
14.They awarded him the Nobel Prize for medicine in 1946.
=> He was awarded the Nobel Prize for medicine in 1946
15. We saw him leave the office at 6 o’clock this morning.
=> He was seen to leave the office at 6 o'clock that morning
16: Why didn’t you report the accident sooner
=> Why wasn’t the accident reported sooner?
17.Somebody has taken some of my books away.
=>some of my books have been taken away.
18. Mary is cutting a cake with a sharp knife.
=> a cake is being cut with a sharp knife by Mary.
19. The children looked at the woman with a red hat.
=> the woman with a red hat was looked by the children
20. They have provided the victims with food and clothing.
=> the victims have been provided with food and clothing.