| A |
Study the following active and passive forms:
Infinitive
| active (to) do/clean/see etc. |
Somebody will clean this room later. |
| passive (to) be + done/cleaned/seen etc. |
This room will be cleaned later. |
- The situation is serious. Something must be done before ifs 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 (to) have + done/cleaned/seen etc. |
Somebody should have cleaned the room. |
| passive (to) 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.
|
