Yes. It's past participle, meaning it already happened. Here's examples: I opened the door. I ate the Pizza. I played my new video game.
It is an action verb.
began is an action verb, not a linking verb.
The verb in that sentence is completed.To complete something is an action and therefore a verb.Related verbs are complete, completes and completing, depending on the tense.
"Sent" is an action verb. It shows an action, such as "she sent an email."
what follows a linking or action verb
Action verb
It is an action verb.
action verb
Action verb
An action verb
The verb stay is an action verb.
Yes,waiting is a action verb