INVENTIONS AND DISCOVERIES- PAST SIMPLE PASSIVE VOICE

Electric light _______ by Thomas Edison in 1879.

• was written

• was invented

• was discovered

The first space satellite______________ in 1979.

• was invented

• was created

• was launched

Electric elevators _______________ in 1880.

• were designed

• was built

• were built

First fax machine _____________ in 1842.

• was made

• were made

• was maked

The solar sistem________________by Nicolas Copernicus in 1543

• was invented

• was discovered

• was made

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.

• X-rays invented Wilhelm Conrad by 1895.

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

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

The Wright brothers invented and flew the first airplane in 1903

• The first airplane invented the Wright brothers and flew in 1903.

• The first airplane was flown by the Wright brothers and invented in 1903.

• The first airplane was invented and flown by the Wright brothers in 1903.

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

Karl Benz patented the three-wheeled Motor Car, known as the "Motorwagen," in 1886.

• Motorwagen was patented by Karl Benz and known the three-wheeled Motor car in 1886.

• The first three-wheeled motor car, known as the " Motorwagen"was patented by Karl Benz in 1886.

• The first three-wheeled motor was known as the " Motorwagen" car  patented by Karl Benz in 1886.

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

Alessandro Volta invented the battery in 1799.

• The battery was invented in 1799 by Alessandro Volta.

• The battery were invented in 1799 by Alessandro Volta.

• Alessandro Volta was invented by the battery in 1799.

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

Martin Cooper invented the mobile phone in 1973.

• The phone mobile was invented in 1973 by Martin Cooper.

• The phone mobile was invented by Martin Cooper in 1973.

• The mobile phone was invented in 1973 by Martin Cooper.