1. Passive Voice

2. My uncle made these chairs. my uncle. were made These chairs by actor
action
non-actor
My uncle
made
these chairs.
my uncle.
were made by
These chairs
non-actor
action
actor

3. Main forms of the passive verb phrase

4. 1- Present Simple Masa cleans the room. The room is cleaned by Masa.
(singular)
The room is cleaned by Masa.
Masa cleans the rooms.
(plural)
The rooms are cleaned by Masa.

5. 2- Past Simple Masa cleaned the room. The room was cleaned by Masa.
(singular)
The room was cleaned by Masa.
Masa cleaned the rooms.
(plural)
The rooms were cleaned by Masa.

6. Masa is cleaning the room.
3- Present Progressive
Masa is cleaning the room.
(singular)
The room is being cleaned by Masa.
Masa is cleaning the rooms.
(plural)
The rooms are being cleaned by Masa.

7. Masa was cleaning the room.
4- Past Progressive
Masa was cleaning the room.
(singular)
The room was being cleaned by Masa.
Masa was cleaning the rooms.
(plural)
The rooms were being cleaned by Masa.

8. Masa has cleaned the room.
5- Present Perfect
Masa has cleaned the room.
(singular)
The room has been cleaned by Masa.
Masa has cleaned the rooms.
(plural)
The rooms have been cleaned by Masa.

9. Masa had cleaned the room.
6- Past Perfect
Masa had cleaned the room.
(singular)
The room had been cleaned by Masa.
Masa had cleaned the rooms.
(plural)
The rooms had been cleaned by Masa.

10. 7- Modal pattern Masa will ask John. John will be asked by Masa.
Everyone can enjoy this type of music.
This type of music can be enjoyed by everyone.