Passive voice. Inventions and discoveries

be + Infinitive

be (у потрібному часі) + Past Participle

be + Verb 1

There is no right answer.

be + Past Participle

be (в минулому) + Past Participle

be (в минулому) + Verb 1

There is no right answer.

The telephone was invented by Alexander Graham Bell.

The telephone is used all over the world.

The first car was built in the late 19th century.

There is no right answer.

The light bulb was invented in the 19th century.

The light bulb is invented in the 19th century.

The light bulb is being invented.

There is no right answer.

A new planet has been discovered recently.

The first airplane was designed by the Wright brothers.

Many new technologies are developed every year.

There is no right answer.

When we talk about past inventions.

When the invention is not important.

When we talk about technologies developed every year.

There is no right answer.

The first telephone was invented by Alexander Graham Bell.

Scientists discover new planets every year.

New planets are discovered every year.

The first computer was invented in the 20th century.

When we want to emphasize the object.

When we know who invented something.

When the inventor is not important or unknown.

There is no right answer.