Let's practice in Passive Voice

The house was bought by my father.

The house is bought by my father.

The food is cook by chef every day.

The food is cooked by chef every day.

The problems were solved by teacher.

The problems was solved by teacher.

Spain is visit millions of tourists every year.

Spain is visited by millions of tourists every year.

My dinner ate the dog.

My dinner was eaten by the dog.

The bridges were built with stone by Romans.

Romans bridges was built with the stone.

The pigeons are fed by Jimmy.

The pigeons Jimmy feeds.

The question was answered by the the children.

The question will be answered by the the children.

The letters postman delivered the letters has.

The letters have been delivered by the postman.

The telephone was invented by Graham Bell.

The telephone is invented by Graham Bell.