The answer explains the passive voice, passive infinitives, and passive complements in English grammar.
Passive Voice: The passive voice in English is used when the focus is on the action and the doer of the action is less important. It is formed using a form of 'to be' + the past participle of the main verb. For example, 'Saturn's rings were discovered by Galileo.'
Passive Infinitives: Passive infinitives are constructed with 'to be' followed by the past participle of the main verb. They can function as direct objects, subjects, predicate nominatives, or appositives.
Passive Complements: Passive complements are found in passive sentences and include direct objects, predicate adjectives, and predicate nominatives. These complements provide more information about the subject or the action performed.
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