The most common linking verb is ‘to be’ (am, is, are, was, were, be, being, been).
Yes, some action verbs can be used as linking verbs, such as ‘seem’, ‘appear’, ‘become’, ‘feel’, and ‘look’.
It is important to use linking verbs correctly because they provide context and meaning to a sentence, and improper usage can affect the clarity and coherence of your message.
To avoid overusing linking verbs, try to vary your sentence structure, choose the appropriate verb that accurately describes the subject, and use action verbs to show action in a sentence.