The word 'fights' is both a noun (fight, fights) and a verb (fight, fights, fighting, fought).
The noun 'fights' can function as the subject of a sentence or a clause, and as the object of a verb or a preposition.
The verb 'fights' can function as a transitive or an intransitive verb.
Examples:
Their fights are always about money. (noun, subject of the sentence)
Those brothers start fights over anything. (noun, direct object of the verb 'start')
Jackson fights Johnson in the next match. (verb, transitive; direct object of the verb is 'Johnson')
Jackson always fights to win. (verb, intransitive)
Yes, 'fight' is an action verb.
fight
It is an action verb.
began is an action verb, not a linking verb.
"Were fighting" is the imperfect tense of the verb "to fight". The imperfect indicates an ongoing or habitual action in the past that does not have a specified time frame.
what follows a linking or action verb
action verb because you did this action (sent)
It is an action verb.
action verb
Action verb
Action verb
An action verb
The verb stay is an action verb.