Red? Red is a colour, making it an adjective..
If you're taking about READ, yes, yes it is an action verb.
Redden is a verb
redden reddens reddening reddened
The sky was reddening.
He could feel his face reddening with embarrassment.
A verb in an action word. Looks is an action, so it is the verb.
It is an action verb.
began is an action verb, not a linking verb.
what follows a linking or action verb
"Sent" is an action verb. It shows an action, such as "she sent an email."
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