Linking VerbsThe Verb TO BE is always Linking.
In addition: LG BARF TSS TSS is a mnemonic device some of my scholars created to remember the linking verbs. These verbs may be linking or action, depending on how they are used. A simple check it to replace the verb in question with the appropriate form of To BE. If the sentence makes sense, then the verb is linking. If not it is action. First the verbs then some examples.