Yes it is a verb.
Advertise is already a verb. For example "to advertise something" is an action and therefore a verb.
To Sell
sell
The correct form of verb of the sentence "This property is for sale, sell" is "sale".
Transitive Verb.
Sold is a verb. It's the past tense of sell.
It is an action verb.
began is an action verb, not a linking verb.
"Sent" is an action verb. It shows an action, such as "she sent an email."
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.