Active\Passive voice

Время (Tense)	Active Voice (формула)	Passive Voice (формула)	Пример (Active)	Пример (Passive)
Present Simple	Subject + V1 (+s/es)	Subject + am/is/are + V3	She writes a letter.	A letter is written by her.
Past Simple	Subject + V2	Subject + was/were + V3	He built a house.	A house was built by him.
Future Simple	Subject + will + V1	Subject + will be + V3	They will finish the project.	The project will be finished by them.
Present Continuous	Subject + am/is/are + V-ing	Subject + am/is/are + being + V3	She is cooking dinner.	Dinner is being cooked by her.
Past Continuous	Subject + was/were + V-ing	Subject + was/were + being + V3	They were watching a movie.	A movie was being watched by them.
Present Perfect	Subject + have/has + V3	Subject + have/has been + V3	I have cleaned the room.	The room has been cleaned by me.
Past Perfect	Subject + had + V3	Subject + had been + V3	She had sent the email.	The email had been sent by her.
Future Perfect	Subject + will have + V3	Subject + will have been + V3	He will have repaired the car.	The car will have been repaired by him.
Modal Verbs	Subject + modal + V1	Subject + modal + be + V3	You must do it.	It must be done by you.