Verbs
ACTION VERBS: Tells what the subject does or did. Ex. Mark runs around the field. Mark ran around the field. Examples of action verbs: walked wrote
LINKING VERBS: Links(connects) subject to rest of sentence Ex. Mark is friendly. Mark was friendly. is, are, was, were, am, have been, has been, had been, will be, should be, etc.
HELPING VERBS: Help action verbs Ex. Mark will eat his lunch. Mark has eaten his lunch. Mark should eat his lunch. will, may, could, can, have, should, shall, would, must, etc.