They think that someone started the fire on purpose. A. Someone is thought to start the fire on purpose. B. They think that the fire which was started by someone on purpose. C. The fire is
They think that someone started the fire on purpose.
A. Someone is thought to start the fire on purpose.
B. They think that the fire which was started by someone on purpose.
C. The fire is thought to be started on purpose.
D. The fire is thought to have been started on purpose