Active to passive:
Amy mailed the letter.
The letter was mailed by Amy.
Active to passive:
I knew Adam would finish the work by 6:00 PM.
I knew the work would be finished by 6:00 PM.
Active to passive:
Once a week, John cleans the garage.
Once a week, the garage is cleaned by John.
People say that the painting was sold to someone who later donated it to the college. (said)
It is said that the painting was sold to someone who later donated it to the college. /
The painting is said to have been sold to someone...
Active to passive:
Have they found the missing girl?
Has the missing girl been found?
A mechanic repaired Sam's car last week. (HAD)
Sam had his car repaired last week.
Active to passive:
Someone will have to do all this work again.
All this work will have to be done again.
Active to passive:
Do they clean the streets every day?
Are the streets cleaned every day?
Causative have:
Somebody broke my window yesterday.
I had my window broken yesterday.
Causative have:
My curtains will be cleaned tomorrow.
I will have my curtains cleaned tomorrow.
I don't like someone telling me what to do (told)
I don't like being told what to do
The windows are dirty. No one has cleaned them for months.
The windows...
haven't been cleaned for months
After the company made him redundant, he was very depressed. (was)
After he was made redundant, he was very depressed
If it hadn't rained so much, we would have finished the job on time.
The job...
would have been finished if it hadn't rained so much
The car...
is being repaired
Causative have:
There is a leak in the roof. We should arrange for someone to repair it.
We should have the roof repaired
The police think that he is in Argentina.
He...
He is thought to be in Argentina
Causative have:
What time is it? I'm afraid someone hasn't repaired my watch yet.
I haven't had my watch repaired yet.
Causative have:
That wasps' nest is very dangerous. I must ask someone to remove it.
I must have it removed
Experts say that people with pets are usually happier.
People with pets...
are said to be happier
Historians believe that this castle was built over 1,200 years ago.
The castle...
is believed to have been built over 1,200 years ago.
It is believed that the thieves got in through the kitchen window.
The thieves...
The thieves are believed to have got in through the kitchen window.
It is thought that the prisoner escaped by climbing over the wall.
The prisoner...
The prisoner is thought to have escaped by climbing over the wall.
Causative have:
They dye her hair once a month.
She...
She has her hair dyed once a month.
People say that the new car will be totally different from other models. (said)
It is said that the new car will be totally different from other models.