The word 'gradually' is not a verb; gradually is an adverb, a word that modifies a verb or an adjective, or even another adverb. Example:
We gradually paid off the mortgage.
His gradually more painful leg finally drove him to seek medical treatment.
curve is an action verb
Yes, an action verb.
no
No it is a state of being.
Yes, "hurts" is an action verb. It describes the act of causing pain or discomfort, either physically or emotionally. In a sentence, it conveys an action being performed, such as "The injury hurts."
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
It is an action verb I was here He was there