No, "pledge" is not an action verb. It is a noun meaning a solemn promise or agreement.
action verb because you did this action (sent)
No, "gave" is not an action verb. It is a past tense of the verb "give," which is a linking verb.
"Understood" can function as both a linking verb and an action verb. As a linking verb, it connects the subject of a sentence with a subject complement. As an action verb, it can indicate the act of comprehending or grasping something.
"Go" can function as both an action verb and a linking verb. As an action verb, it indicates physical movement. As a linking verb, it connects the subject to a subject complement that describes or renames the subject.
The verb "to be" is the main verb in a linking verb phrase, while any other action verb in the phrase indicates an action verb phrase. Linking verbs connect the subject to a subject complement, while action verbs show an action performed by the subject.
The word pledge means the same thing as promise, and as such, it can be either a noun or a verb. For example, I pledge my loyalty to you. That is a verb usage. You have accepted my pledge. That is a noun usage.
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
We always say a pledge before school starts. This is using it as a noun. We pledge to the flag before school. This is using it as a verb.
It is an action verb.
Action verb
Action verb
action verb
An action verb
The verb stay is an action verb.