Interrogative sentences typically feature a word order with the predicate and primary verb before the subject. For example, in the sentence “Who was the last speaker?” the pronoun “who” is the interrogative pronoun or question word, “was” is the primary verb, and “the last speaker” is the subject.

What is the function of WHO in an interrogative sentence?

The pronoun who, in English, is an interrogative pronoun and a relative pronoun, used primarily to refer to persons. Its derived forms include whom, an objective form, the possessive whose, and the indefinite forms whoever, whosoever, whom(so)ever, and whos(eso)ever (see also "-ever").

Who and which interrogative pronouns?

Interrogative pronouns - Easy Learning Grammar. The interrogative pronouns who, whom, and whose are used only for reference to people. The interrogative pronouns which and what are used for reference to things. Interrogative pronouns allow us to build a question around the thing that the pronoun refers to.