This information will help you review with your student: 
 
A pronoun is a word that replaces a noun or another pronoun. 
 
An antecedent is the word that a pronoun replaces. 
 
Example: Rebecca likes ice cream. Rebecca likes it. 
In these sentences, "it" is the pronoun, and "ice cream" is the antecedent. 
 
Possessive pronouns - show possession or relationship (Examples - my, mine, our, ours, their, theirs, her, hers, his, its_ 
 
Reflexive pronouns - put the verb's action back on the subject (Examples - myself, himself, herself, itself, themselves) 
 
Interrogative pronouns - introduce a question (Examples - who, whom, whose, which, what) 
 
Demonstrative pronouns - point out a person, place, thing, or idea (Example - this, that, these, those) 
 
Indefinite pronouns - point out an unspecified person, place, or group (Examples - anybody, anywhere, someone, few, both, many, somebody, everyone, everybody, some)