Noun or pronoun that is before the DO and tells “to whom” or “for whom”
Follows an action verb
You can’t have an IO without a DO
Sam sold me the football tickets.
(ask yourself “sold tickets to whom”?)
Here is a flow chart to help you identify complements. Identify the verb Action verb Linking Verb Say the verb and “who” or “ what” = direct object Say the verb and “ to whom” or “ for whom” = indirect object Noun renames the subject = predicate nominative Adjective describing the subject = predicate adjective