No. Is is a singular verb - 3rd person singular (he, she, it). There are untrained native speakers of English who incorrectly and illiterately use 'is' as a verb for plural pronouns. Examples: We's, They's. But simple usage does not constitute properness; their usage is in no way proper English speech. It is more on the order of a dialectcal variation, or aberration.
The verb reviewed is used after both singular and plural nouns.
Had is the past tense conjugation of the verb have, it is used for both singular and plural subjects.
'Discuss' is a verb. In english, only nouns and pronouns have singular and plural forms. the verb discuss can be used with both singular nouns and pronouns (I discuss) and plural nouns and pronouns (we discuss).
Are is a plural present be verb. We are walking home. Were is a plural past be verb. They were looking for me. Have is a plural main verb or auxiliary verb. They have a dog. They have had a dog for years.
Had is a verb, not a noun, and is both singular and plural.
Yes verbs can be both. For example "is" is singular and "are" is plural.
The personal pronoun 'you' functions as both singular and plural.The pronoun 'you' takes the place of a singular, plural , or a compound antecedent.The verb to be (or auxiliary verb) 'are' is always used for both the singular and plural 'you'.Examples:Jack, you are a good friend. (singular)Jack and Jim, you are such good friends. (plural)Children, you are excused. (plural)
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).
's is a contraction of the verb "is" or "has" and is used with both singular and plural nouns. For example, "John's cat" (singular) and "The cats' toys" (plural).
Headquarters is both singular and plural.
The pronoun 'he' is the third person, singular form and takes a singular verb, for example:John is coming, he is expected at five.The pronoun 'you' is both the singular and the plural form; a second person singular and plural (noun or pronoun) takes the same verb form, for example:Jane, you are a good friend.Class, you are all dismissed.
Troop can be used with both singular and plural verb depending on the context. When referring to a single organized group, it takes a singular verb (e.g., "The troop is marching"). When referring to multiple groups or individuals, it takes a plural verb (e.g., "The troops are assembling").