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1. NATIONAL INSTITUTE OF BUSSINESS
LECTURER: NOP SOTHEA
TOPIC: Passive Voice
Members’ Name: CHEA SODAT
KONG SREY NATH
PEN PISEY
TRY CHANTHET
SOK BUNLIK
COURSE: CORE ENGLISH

2. Passive Voice
• Passive voice is a feature of
sentences in which the object
or goal of the action functions
as the sentence subject

3. Passive Voice

4. Use passive instead of active:
If the agent (Doer) is unknown:
Denise’s computer was stolen from her office.
If the agent is not the focus:
The new library was finished about a year ago.
To focuson the receiver:
Did you hear the news? Matt was injured slightly in
the earthquake, but Jeff was O.K.
To make generalexplanations, statementsand announcements, or in scientific and
technical writing:
Passengers are asked to refrain from smoking.

5. Whenthe agent gives us additional newinformation
Many important scientific discoveries have been made by women.
•Wheninformationabout the agent is too important to be omitted 
Radioactivity was discovered by Marie Curie in 1903.
•Whenthe agent is surprisingor unexpected 
This picture was painted by a monkey.

6. PASSIVE VOICE EXAMPLES

7. The Structure of Passive Voice
1. Simple present 2. present continuous
She writes a letter He is closing the window
A letter is written by her The window is being closed by him
3. Present perfect 4. Present Prefect Continuous
They have played the guitar George has been writing the lesson
The guitar has been played by them The lesson has been being written by
George
S + (is, am, are) + Past Participle S+ (is, am, are) + being+ past participle
S + have/has + been+ Past Participle S+ have/has + been + being+ past participle

8. PASSIVE VOICE EXAMPLES
PRESENT: IS, ARE PAST: WAS, WERE

9. 5. Simple past 6. past continuous
Tracy opened the door He was drinking some water
The door was opened by Tracy Some water was being drunk by
him
7. Past perfect 8. Past Prefect Continuous
He had written a letter He had been riding a motorcycle
A letter had been written by him A motorcycle had been being
ridden by him
S + was/were + Past Participle S + was/were + being+ Past Participle
S + had been+ Past Participle S + had been+ being + Past Participle

10. 9. Simple Future 10. Future Continuous
My mother will make some cake She will be playing the piano
Some cake will be made by my mother The piano will be being played by
her
11. Future Perfect 12. Future perfect continuous
They will have finished that work He will have been playing
tennis
That work will have been finished by them Tennis will have been being
played by him
S + will + be + Past Participle S + will + be + being + Past Participle
S + will + have been + Past Participle S + will + have been + being + Past Participle

11. 13. Future Past 14. Future past continuous
He would open the door They would be playing tennis
The door would be opened by him Tennis would be being
played by them
15. Future perfect 16. Future Perfect Continuous
She would have finished that work He would have been
painting the house
That work would have been finished by her The house would have
been painted by him
S + would + be + past participle S + would + be + being + past participle
S + would + have been + past participle S + would + have been + being + past participle

12. MODAL VERBS:
MUST
➔Active: must build
➔Passive: must be
built
SHOULD
➔ Active: should build
➔ Passive: should be
built
CAN
➔ Active: can build
➔ Passive: can be
built