Seen is the past participle of see. See / saw / seen.
It can have a singular or plural subject:
singular -- I have seen the movie.
plural -- They have seen the movie.
"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.
The verb "attend" can be singular or plural depending on the subject it is paired with. For example, "she attends" is singular while "they attend" is plural.
As an auxiliary verb will is without number: He will go; they will go. As a main verb, it may be singular or plural: I will this to my heirs; they will it to their heirs.
"Is" is the singular form of the verb "to be," used with singular subjects. "Are" is the plural form used with plural subjects.
"Has" is a verb that is paired with a singular noun or pronouns as in: Bob has,he has, she has or it has. Plural nouns would use have, such as, The people have, we have, they have, you (all) have. Of course , have is also used with the singular pronoun I , I have.
"Have" is paired with plural verbs, while "has" is paired with singular verbs. For example: "He has a car" (singular subject, singular verb) vs. "They have three children" (plural subject, plural verb).
The verb reviewed is used after both singular and plural nouns.
Singular - CREWS = plural. The problem is that it can take a singular or plural verb form. When the word is viewed as a collective noun and its members act as a collectivity, the verb should be plural. ex: The crew ARE tired. When the verb is seen as a unit, as a whole, it takes a singular form: ex. The crew IS made up of 20 people.
The verb "attend" can be singular or plural depending on the subject it is paired with. For example, "she attends" is singular while "they attend" is plural.
It's a verb so it can't really be singular or plural, but it has to be the verb of a singular subject.
Singular. Plural is: they are, have and do.
The verb "reflect" can be both singular and plural, depending on the subject. In the singular form, it would be "reflects" (e.g., he reflects on his actions), and in the plural form, it would be "reflect" (e.g., they reflect on their experiences).
The present perfect tenses of the verb 'see' are have seen, has seen.Examples:We have seen this movie. (plural subject)He has seen this movie. (singular subject)
No. The verb or helper verb "has" is singular. Plural nouns (and I and you) use "have."
Pronoun-verb agreement requires a correct match between a pronoun and a verb based on number (singular or plural).A singular pronoun requires a verb for a singular subject.Example: She is expected at noon. (singular subject pronoun)A plural pronoun requires a verb for a plural subject.Example: They are expected at noon. (plural subject pronoun)
Verbs cannot be singular or plural. Requires is after singular nouns.
As an auxiliary verb will is without number: He will go; they will go. As a main verb, it may be singular or plural: I will this to my heirs; they will it to their heirs.
As an auxiliary verb will is without number: He will go; they will go. As a main verb, it may be singular or plural: I will this to my heirs; they will it to their heirs.