The teacher will check the homework.

• The homework will not be checked by the teacher.

• The homework will be checked by the teacher.

• The teacher will not check the homework.

• The homework will be checking by the teacher.

The cat chased the mouse.

• The dog chased the cat.

• The cat chased the dog.

• The mouse chased the cat.

• The mouse was chased by the cat.

They are building a new house.

• A new house is being built by them.

• They are not building a new house.

• A new house is being destroyed by them.

• A new house is being built by someone else.

She has written a novel.

• A novel has been written by her.

• She has not written a novel.

• She has written a short story.

• A novel has not been written by her.

The storm destroyed the old building.

• The old building destroyed the storm.

• The old building was destroyed by the storm.

• The building was destroyed by the old storm.

• The storm destroyed the new building.

The chef is cooking dinner.

• The dinner is cooking the chef.

• The chef cooked dinner.

• Dinner was cooked by the chef.

• Dinner is being cooked by the chef.

The students have completed the project.

• The students completed the project.

• The project was completed by the students.

• The project has not been completed by the students.

• The project has been completed by the students.

The mechanic will fix the car.

• The car will be fixed by the mechanic.

• The car will be fixing the mechanic.

• The mechanic will break the car.

• The car will fix the mechanic.

The company has launched a new product.

• The company launched a new product.

• A new product was launched by the company.

• The new product was launched by the company.

• A new product has been launched by the company.

The gardener is planting flowers.

• The flowers are planting the gardener.

• The flowers are being planted by the gardener.

• Flowers are being planted by the gardener.

• The gardener plants flowers.