Active and Passive Voice

Active and Passive Voice:

Present and Past:

	*Active*	*Passive*
*Present Simple*	We *make* butter from milk.	Butter *is made* from milk.
	Somebody *cleans* these rooms every day.	These rooms *are cleaned* every day.
	People never *invite* me to parties.	I am never *invited* to parties.
	How do they *make* butter?	How is butter *made*?

*Past Simple*	Somebody *stole* my car last week.	My car *was stolen* last week.
	Somebody *stole* my keys yesterday.	My keys *were stolen* yesterday.
	They *didn’t invite* me to the party.	I *wasn’t invited* to the party.
	When *did* they *build* these houses?	When *were* these houses *built*?

*Present Continuous*	They *are building* a new airport at the moment.	A new airport *is being built* at the moment.
	They *are building* some new houses near the river.	Some new houses *are being built* near the river.

*Past Continuous*	When I was here a few years ago, they *were building* a new airport.	When I was here a few years ago, a new airport *was being built*.

*Present Perfect*	Look! They *have painted* the wall.	Look! The wall *has been painted*.
	These shirts are clean. Somebody *has washed* them.	These shirts are clean. They *have been washed*.
	Somebody *has stolen* my bike.	My bike *has been stolen*.

*Past Perfect*	Catherine said that somebody *had stolen* here car.	Catherine said that her car *had been stolen*.

Will / can / must / have to etc.

*Active*	*Passive*
Somebody will *clean* the office tomorrow.	The office will *be cleaned* tomorrow.
Somebody must *clean* the office.	The office must *be cleaned*.
I think they’ll *invite* you to the party.	I think you’ll *be invited* to the party.
They can’t *repair* my watch.	My watch can’t *be repaired*.
You should *wash* this sweater by hand.	This sweater should *be washed* by hand.
They are going *to build* a new airport.	A new airport is going *to be built*.
Somebody has *to wash* these clothes.	These clothes have *to be washed*.
They had *to take* the injured man to hospital.	The injured man had *to be taken* to hospital.