SIMPLE PRESENT
1. Cars are produced in this factory by people.
2. Wheat is grown in the fields by the farmer.
3. The cows are milked twice a day by Mrs Jones.
4. Wildlife photographs are taken every weekend by Mary.
PRESENT CONTINUOUS
1. A new clinic is being build in the town.
2. Brownies are being baked today by the children.
3. Our homework is being done.
4. The car is being washed by my father.
PRESENT PERFECT
1. The book has been already discussed.
2. All the housework has been finished.
3. All their money has been lost.
4. His car has been crushed.
PAST SIMPLE
1. The Harry Potter books were written by J.K. Rowlling.
2. Their car was left it the garage.
