What kind of a pronoun is it?
The pronoun 'it' is a personal pronoun, a word that takes the place of a singular noun for a thing.
The pronoun 'it' functions as a subject or an object in a sentence.
Mom made a chocolate cake for my birthday. It is my favorite. (the pronoun 'it' takes the place of the noun 'chocolate cake' as the subject of the second sentence)
You may borrow the book. I think you will like it. (the pronoun 'it' takes the place of the noun 'book' as the direct object of the verb 'will like')
The pronoun 'that' is a demonstrative pronoun; a word to indicate, to show, to point to. The pronoun 'that' is also a relative pronoun; a word that introduces a relative clause. Examples: Demonstrative pronoun: That is my favorite movie. Relative pronoun: This is the movie that I like. The word 'that' is also and adjective, an adverb, and a conjunction.
The pronoun 'what' is an interrogative pronoun, a word that introduces a question. The pronoun 'what' takes the place of the noun or pronoun that is the answer to a question. Example: What do you want for lunch? I would like some soup. The pronoun 'what' can also function as a relative pronoun to introduce a relative clause. Example: I understand what you said.
The pronoun 'what' is an interrogative pronoun or a relative pronoun. An interrogative pronoun is a word that introduces a question: What time does the movie start? The movie starts at seven. What is your major? I'm majoring in chemistry. A relative pronoun is a word that introduces a relative clause: He saw what I did. What he said made the audience laugh.
The pronoun 'he' is a personal pronoun. The pronoun 'he' is a word that takes the place of a singular noun for a male as the subject of a sentence or a clause. The corresponding objective personal pronoun is 'him'. Examples: When George got to 19th Street, he got off the train. The train is very convenient for him.
The pronoun 'who' is an interrogative pronoun and a relative pronoun. The pronoun 'who' is a subject pronoun that functions as singular or plural. The interrogative pronoun 'who' introduces a question. Examples: Who is your new neighbor? Who are your new neighbors? The relative pronoun 'who' functions as the subject of a relative clause, a group of words with a subject and a verb that gives information about its antecedent. Examples: My neighbor who has…