Examples of the passive voice

Tense		Subject	Verb	Object
Simple Present	Active:	Nana	makes	tea.
	Passive:	Tea	is made	by Nana.
Present Progressive	Active:	Nana	is making	tea.
	Passive:	Tea	is being made	by Nana.
Simple Past	Active:	Nana	made	tea.
	Passive:	Tea	was made	by Nana.
Past Progressive	Active:	Nana	was making	tea.
	Passive:	Tea	was being made	by Nana.
Present Perfect	Active:	Nana	has made	Tea.
	Passive:	Tea	has been made	by Nana.
Past Perfect	Active:	Nana	had made	tea.
	Passive:	Tea	had been made	by Nana.
Future simple	Active:	Nana	will make	tea.
	Passive:	Tea	will be made	by Nana.
Future perfect	Active:	Nana	will have made	tea.
	Passive:	Tea	will have been made	by Nana.
Conditional	Active:	Nana	would make	tea.
	Passive:	Tea	would be made	by Nana.
Modals	Active:	Nana	can make	tea.
	Passive:	Tea	can be made	by Nana.