Linking Verb is a verb that is used to connect between words in a sentence.
To Be
-am  
-are
-being
-was
-is
-be
-been
-were
Verbs Can
-Show action
-Link ideas
State of being verbs (is)
-The Bear is Hungry
-The Bear Looked Lonely
-The Bear Smells Like Cinnamon
Action (Does)
-The Bear eats a fish
-The Bear Looked at me
-The Bear Smells a Person