Passive Voice: Inventions and Discoveries

Change this sentence in active voice into a sentence in passive voice:

Hiram Bingham discovered Machu Picchu.

• Machu Picchu discovered Hiram Bingham.

• Machu Picchu was discovered by Hiram Bingham.

• Hiram Bingham was discovered by Machu Picchu.

Complete the following sentence:

Oxygen __________ in 1772.

• were discovered

• discovered

• discovers

• was discovered

Change this sentence in active voice into a sentence in passive voice:

Charles Darwin created the theory of evolution in the Galapagos.

• Charles Darwin was created by the theory of evolution in the Galapagos.

• The theory of evolution was created by Charles Darwin in the Galapagos.

• The Galapagos was created by Charles Darwin’s theory of evolution.

Change this sentence in active voice into a sentence in passive voice:

Wilhelm Conrad invented x-rays in 1895.

• X-rays were invented by Wilhelm Conrad in 1895.

• Wilhelm Conrad was invented by x-rays in 1895.

• X-rays invented Wilhelm Conrad by 1895.

Complete the following sentence:

The Titanic __________ by Robert Ballard.

• found

• founds

• were found

• was found