Yes it is passive voice.
The active voice. The subject of the sentence ('the doctor') is the 'doer' of the action of the verb ('was treating'). If it were in the passive voice it would read 'The patient was being treated by the doctor.' The subject of the sentence ('the patient') would be the 'recipient' of the action of the verb ('was being treated').
The passive voice of ''what do you do'' is "what is done by you?"
"Your name is not known by me." is passive voice.
Passive voice
"The policeman chased after Fred" is active voice.
The sentence "How did your host family treat you?" may be expressed in the passive voice as "How were you treated by your host family?"
The active voice. The subject of the sentence ('the doctor') is the 'doer' of the action of the verb ('was treating'). If it were in the passive voice it would read 'The patient was being treated by the doctor.' The subject of the sentence ('the patient') would be the 'recipient' of the action of the verb ('was being treated').
The passive voice of ''what do you do'' is "what is done by you?"
"Your name is not known by me." is passive voice.
Passive voice
No, "He is a boy" is not in passive voice. Passive voice involves rearranging the sentence to emphasize the receiver of the action rather than the doer, which would change the sentence to something like "The boy is being called."
passive active A+
"The policeman chased after Fred" is active voice.
It is passive voice.
No this sentence is not passive voice.
No, by including the subject 'I' you have avoided the use of the passive voice. Passive voice would be. 'It was missed.'
"Your paper is set by whom" is passive voice.