A   

Study the following active and passive forms:

 

Infinitive

active 
do/clean/see etc.

Somebody will clean this room later.
passive 
be done/cleaned/seen etc.

This room
 will be cleaned later.
  • The situation is serious. Something must be done before it's too late.
  • A mystery is something that can't be explained.
  • The music was very loud and could be heard from a long way away.
  • A new supermarket is going to be built next year.
  • Please go away. I want to be left alone.

 

 

   B   

Perfect infinitive

active 
have done/cleaned/seen etc.

Somebody should have cleaned the room.
passive 
have been + done/cleaned/seen etc

The room
 should have been cleaned.
  • I should have received the letter by now. It might have been sent to the wrong address.
  • If you had locked the car, it wouldn't have been stolen.
  • There were some problems at first, but they seem to have been solved.

 

 

   C   

Present perfect

active 
have/has done etc.

The room looks nice. Somebody has cleaned it.
passive 
have/has been + done etc.

The room looks nice. It has been cleaned.
  • Have you heard? The trip has been cancelled.
  • Have you ever been bitten by a dog?
  • 'Are you going to the party?' 'No, I haven't been invited.'

 

Past perfect

active 
had + done etc.

The room looked nice. Somebody had cleaned it.
passive 
had been + done etc.

The room looked nice. It had been cleaned.
  • The vegetables didn't taste good. They had been cooked too long.
  • The car was three years old, but hadn't been used very much.

 

 

   D   

Present continuous

active 
am/is/are + (do)ing

Somebody is cleaning the room at the moment.
passive 
am/is/are being (done)

The room
 is being cleaned at the moment.
  • There's somebody walking behind us. I think we are being followed.
  • (in a shop)  'Can I help you?'  'No, thanks. I'm being served.'

 

Past continuous

active 
was/were + (do)ing

Somebody was cleaning the room when I arrived.
passive 
was/were being (done)

The room
 was being cleaned when I arrived.
  • There was somebody walking behind us. I think we were being followed.

 

 

 

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