Inside is not a verb. The word inside is a noun, a word for a thing; an adjective a word that describes a noun; an adverb, a word that modifies a verb; and a preposition. Examples:
Noun: The inside of the jacket is lined with fleece.
Adjective: Keep your ID in an inside pocket.
Adverb: They went inside the photo booth together.
Preposition: We will be arriving in Miami inside the hour.
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
An action verb
Action verb
It is an action verb.
Action verb
action verb
The verb stay is an action verb.
No linking verb
No, an action verb would be like blowed.. Wind is not an action verb.