rushed
It is an action verb.
Yes, it is the past tense of rush.
No, it is a verb or adjective. It is the past tense and past participle of the verb "to rush."
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