answers WHO? or WHAT? before the verb: MARY works in that store.(who works? Mary)
Object of Prepostion
Answers WHOM? or WHAT? after a preposition: I mailed a letter to HER.(for whom? Her)
Direct Object
Answers WHOM? or WHAT? after the verb: A mean boy kicked my DOG.((kicked what? dog)
Indirect Object
Tells TO WHOM or FOR WHOM something was done without using TO or FOR; between verb and direct object: I loaned HER my book(to whom did I loan my book? her
Subjective Complement AKA Predicate Nominative or Predicate Adjective
follows linking verb and renames or descrives subject: My best friends are MARY and SHE.(frineds=Mary and she)
Appositive
follows nouns, renames noun, set off with commas: I went for a walk with ROVER, my dog.(Rover=dog)
Objective Complement
follows and remanses or describes direct object: they named the baby MARY.(baby=Mary)
Noun of Direct Address
calls someone bvy name=set off with commas: come here, dog. (dog being called)
Adverbial Noun
noun which answers adverb question: He arrived this MORNING.(arrived when?..morning)
