interrogative demonstrative relative pronouns definition
1 (grammar) A pronoun used in a question. 2  In English, the five interrogative pronouns are what, which, who, whom, and whose (also used as relative pronouns).
A demonstrative pronoun points out a noun. The demonstrative pronouns are that, these, this, and those. A demonstrative pronoun may look like a demonstrative adjective, but it is used differently in a sentence: it acts as a pronoun, taking the place of a noun.