No.
Its an adjective.
Can you do smart?
Or can you be smart?
Does it describe YOU, or what you DO?
A verb can show action, or it can show state of being. "To run" shows action. "Is" shows state of being. He ran down the street ("ran" is an action verb). She is very smart ("is" shows state of being, or describes her).
It is an action verb.
began is an action verb, not a linking verb.
action verb because you did this action (sent)
what follows a linking or action verb
It is an action verb.
Action verb
Action verb
action verb
An action verb
The verb stay is an action verb.
Yes,waiting is a action verb