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Home · B1 Intermediate · Unit 09
Unit 09

Passive Voice

be + past participle
Active vs Passive

In an active sentence, the subject does the action. In a passive sentence, the subject receives the action. We use the passive when we want to focus on what happened rather than who did it.

Active (focus on doer)Passive (focus on action/result)
The chef cooked the meal.The meal was cooked by the chef.
They speak English here.English is spoken here.
Someone stole my phone.My phone was stolen.
The Formula

Subject + be (correct tense) + past participle (+ by + agent)

The verb be carries the tense. The past participle never changes.

Passive Forms Across Tenses
TenseActivePassive
Present SimpleThey clean the rooms.The rooms are cleaned every day.
Past SimpleShe wrote the report.The report was written by her.
Present ContinuousThey are building a road.A road is being built.
Past ContinuousThey were repairing the bridge.The bridge was being repaired.
Present PerfectThey have announced the results.The results have been announced.
Past PerfectThey had finished the work.The work had been finished.
Future SimpleThey will open the shop.The shop will be opened.
Going ToThey are going to build a park.A park is going to be built.
ModalYou must do it.It must be done.
When to Use the Passive
UseExplanationExample
Unknown doerWe don't know who did itMy car was stolen last night.
Unimportant doerWho did it doesn't matterThe windows are cleaned every week.
Formal / academic styleObjective, impersonal toneThe samples were tested in the lab.
Avoiding responsibilityDiplomatic — not blaming anyoneA mistake was made.
Focus on resultEmphasises what was done, not who did itThe Eiffel Tower was built in 1889.
By + Agent

Use by + agent only when it is important to say who performed the action.

  • The Mona Lisa was painted by Leonardo da Vinci. ← agent is important (famous artist)
  • My wallet was stolen. ← no agent (we don't know who)
  • The road is being repaired. ← no agent (it's obvious — road workers)
  • English is spoken all over the world. ← no agent (too general)
Modals in the Passive
ModalActivePassive
canThey can fix the car.The car can be fixed.
mustYou must complete the form.The form must be completed.
shouldSomeone should help him.He should be helped.
may / mightThey may cancel the meeting.The meeting may be cancelled.
Negatives & Questions in the Passive
TenseNegativeQuestion
Present SimpleIt isn't made in China.Is it made in China?
Past SimpleThe letter wasn't sent.When was the letter sent?
Present PerfectIt hasn't been fixed yet.Has it been fixed?
FutureIt won't be finished today.Will it be finished today?
Verbs with Two Objects

Verbs like give, send, show, tell, offer, teach have two objects. Either can become the subject — the person as subject is more common:

ActivePassive (person first — common)Passive (thing first)
They gave me a prize.I was given a prize.A prize was given to me.
They offered her the job.She was offered the job.The job was offered to her.
Annotated Examples
Subject
Verb
Auxiliary
Object
Adjective
Adverb
Preposition
Hover over any word to see its role.
subjectThe reportverbwas writtenprepositionbyobjectthe manager.
↳ Past Simple passive — agent included (important).
subjectA new hospitalverbis being builtprepositionin the city.
↳ Present Continuous passive — no agent (obvious).
subjectThe resultsverbwill be announcedadverbtomorrow.
↳ Future Simple passive — focus on the result.
Common Mistakes
The car repaired yesterday.
→
The car was repaired yesterday.
The passive always needs the verb "be": was repaired.
The homework is doing by me.
→
The homework is done by me.
Use the past participle, not -ing: is done.
It is built by last year.
→
It was built last year.
Use past tense "was built" for a past completed action.
People is invited to the party.
→
People are invited to the party.
"People" is plural → are invited.
The door was open by him.
→
The door was opened by him.
Past participle of "open" = opened.
To me was given a gift.
→
I was given a gift.
Make the person the subject.
Was the email sended?
→
Was the email sent?
Past participle of send = sent.
← Future Perfect Modal Verbs: Past →