Active to Passive
Hunters kills lions and bears.
Lions and bears are killed (by hunters).
Many people are attacked by sharks.
Sharks attack many people.
A guitar made of wood.
A guitar is made of wood.
new things/ every year/ Lots of/ invented/ are/.
Lots of new things are invented every year.
Someone always cleans the windows.
The windows are always cleaned (by someone).
Thousands of messages are sent every day by people.
People send thousands of messages every day.
Rubber is use to make cars.
Rubber is used to make cars.
are/ 18 months/ used/ cell phones/ for only/ Most/.
Most cell phones are used for only 18 months.
People speak English all over the world.
English is spoken all over the world (by people).
Homework is done every week by students.
Students do homework every week.
Some minerals can be find in the ground.
Some minerals can be found in the ground.
be/ Dinner plates/ bought/ furniture/ at/ can/ stores/.
Dinner plates can be bought at furniture stores.
Mom serves lunch at noon.
Lunch is served at noon (by mom).
These cakes can be made of chocolate.
Chocolate can make these cakes.
New technology might be discovered to helped people in society.
New technology might be discovered to help people in society.
in/ Olympic/ are/ many/ games/ countries/ watched/.
Olympic games are watched in many countries.
They close and lock the doors at ten.
The doors are closed and locked at ten (by them).
Some electronics can be sold in markets.
Markets can sell some electronics.
Our clothes be made of recycled material.
Our clothes can be made of recycled material.
arrive/ cooked/ after/ be/ you/ dinner/ can/.
Dinner can be cooked after you arrive.