Passive voice

The Wright brothers invented the airplane in 1903.

The Egyptians built the pyramids thousands of years ago.

The United States declared independence in 1776.

Marie Curie discovered radium and polonium.

The Romans founded the city of Rome in 753 BC.

Alexander Graham Bell invented the telephone in 1876.

I am cooking a meal.

Rita will walk the dog

They wore a sweater.

We have already discussed the book.