Yes, but it is never used alone as a verb.
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The form seen is the past participle form of the verb to see.
It appears in the perfect tenses : present, past, and future perfect, the conditional perfect (would have seen), and all of the passive voices.
*active
have seen / has seen
had seen
will have seen
would have seen
*passive
am seen / are seen / is seen / was seen /were seen
have been seen / had been seen/ will have been seen
*conditional
could have seen
should have seen
may/might have seen
would have been seen
could have been seen
should have been seen
may/might have been seen
(* when used with a noun, it is a participial rather than an adjective, e.g. "the man seen on the news")
Seen is not an adverb, no.The word seen is a verb.
"was seen" is the verb phrase.
It is the past participle of see. See is an irregular verb.
future passive
No. It is either an action verb (possess, own) or a helper verb (auxiliary verb) used to form perfect tenses (e.g. I have been, I have seen).
Seen is not an adverb, no.The word seen is a verb.
"have seen" is the verb, and it is in the present perfect tense.
The verb is "to see" and the verb phrase is "had seen."
'Has seen' is the verb phrase.
"was seen" is the verb phrase.
"had never seen" is the verb phrase in the sentence. It consists of the main verb "seen" and the auxiliary verb "had" indicating past tense and a negative adverb "never."
The word seen is a verb. It is the past tense of the irregular verb "see".
They are conjugations of the verb see.The auxiliary verb have forms the present perfect tense of "to see" which is have seen or has seen (the third-person singular form).
"Seen" is a past participle form of the verb "see" and is not used as a singular or plural verb on its own. It is often used with auxiliary verbs like "has been seen" or "had seen" to form verb tenses.
"Had seen" is the verb phrase. "Never" is an adverb.
"Had seen" is the verb phrase. Never is an adverb.
It is ab action verb. See is an action verb and seen is the past tense of see. Balls thank you