The flight attendant asked my sister to give up her spot on the plane.
That sentence is written in active voice. "The safety features of the plane were described by the the flight attendant" is passive voice.
The sentence would be: My father's eighth grade teacher taught him a great deal more than math.
It is written in the passive voice
Children should be taught by parents how to behave.
The italicized verb "examined" is in future perfect passive tense.
The sentence "Sentences can be written in active and passive voices" is a declarative sentence written in passive voice.
The thief was seen by an old woman.
You cannot, because the main verb "is" does not have a passive form. Only the predicate may be expressed in the passive: ...time for the class to be started.
To change an active sentence to passive, identify the object in the active sentence and make it the subject in the passive sentence. Move the subject of the active sentence to the phrase with "by" and change the verb to its past participle form. To change a passive sentence to active, identify the subject in the passive sentence and make it the subject in the active sentence. Use an appropriate active verb to describe the subject's action and add the original object of the passive sentence as the direct object in the active sentence.
The sentence is passive.
The bold are favoured by Fortune. Note: Following the question, the answer uses the British spelling; the American spelling would be "favored".
That is a passive sentence since the subject noun is last. When the object of the sentence is being acted upon by the subject, it is passive. An active example of this same sentence would be: "Budd nurtured Carver's Creativity."