Here are some common examples:
Forms of "to be":
* am, is, are, was, were, be, being, been
Other linking verbs:
* appear, become, feel, grow, look, remain, seem, smell, sound, taste, turn
Examples:
* She is a doctor. ("is" links "She" to the noun "doctor")
* The flowers smell sweet. ("smell" links "flowers" to the adjective "sweet")
* He became a writer. ("became" links "He" to the noun "writer")
Note:
* "To be" is the most common linking verb.
* Linking verbs can be followed by a predicate nominative (a noun that renames the subject) or a predicate adjective (an adjective that describes the subject).
Remember, these verbs don't express action; they simply connect the subject to a description or re-naming.