The dogwho bitthe bone.I,me.Thepeoplebikingwere we.Were,whoever,which,that, etc.I ranfivemiles.Noun usedrefer nounmentionpreviously.The pantsthat wereblack arenow gray.Nounrepresentspecificthings.I boughtschoolsupplies.Him, her,us, me, it,etc.We wouldlove foryou tocome!He boughtsugarcookies.I, me, you,he, she, it,they, etc.Free!Noun usedto replaceanotherword.Nounassociatedw/ specificthing