How the
passive is formed p(1):
SUBJECT | FORM OF TO BE + 3rd FORM | ADVERB, ... |
The room | is cleaned | every day. |
They | are sold | as pets. |
A lot of guests | are invited | to a party. |
Put an
active sentence into a passive one:
| Subject | Verb | Object | |
Active: | Bats | eat | insects. | |
| | | | |
Passive: | Insects | are eaten | by | bats. |
| Subject | Verb | by | Agent |
| Subject | Verb | Object | |
Active: | Tom | saw | the burglars | |
| | | | |
Passive: | The burglars | were seen | by | Tom |
| Subject | Verb | by | Agent |
Subject
of the active sentence → Agent of the passive sentence
Object
of the active sentence → Subject of the passive sentence
Tenses:
Tense | Active | Passive (form of to be + 3rd form) |
Present tense | invite / see | am / is / are invited / seen |
Past tense | invited / saw | was / were invited / seen |
Future tense | will invite / see | will be invited / seen |
Present perfect tense | have / has invited / seen | have / has been invited / seen |
Past perfect tense | had invited / seen | had been invited / seen |