This is where I work.' The underlined part of the above sentence is the:

Question

Accepted Answer

The correct option is 4:

The sentence "This is where I work" follows the structure Subject + Linking Verb + Complement. Here, "This" is the subject, and "is" is the linking verb (a form of 'to be'). A linking verb connects the subject to a word or phrase that renames or describes the subject—this is called a complement. The underlined clause, "where I work," is functioning as a noun clause and follows the linking verb, directly equating it with the subject "This." Since "where I work" completes the meaning of the sentence and provides information about the subject by telling us what "This" is, it functions as a Subject Complement. Subject Complements can be nouns, pronouns, adjectives, or, as in this case, noun clauses.

The incorrect option is 1: Object. An object is a noun or pronoun that receives the action of a transitive verb. Since the verb "is" is a linking verb, not an action verb, the sentence cannot take a direct or indirect object. The clause "where I work" is renaming the subject, not receiving an action.

The incorrect option is 2: Object complement. An object complement follows a direct object and describes or renames the direct object. Since this sentence uses a linking verb and does not contain a direct object, an object complement cannot exist in this structure.

The incorrect option is 3: Subject. The subject of the sentence is the pronoun "This." The underlined clause, "where I work," is the part of the sentence that completes the meaning after the linking verb, making it the complement, not the subject itself.