Verbs are words that express action or state of being. A verb is always the key words in the predicate. There are three types of verbs: action verbs, linking verbs, and helping verbs. I will talk about one of these types: the linking verbs. (No, not the band Linkin Park).
Linking verbs connects the subject of a sentence to a noun or adjective that renames or describes the subject. The word, phrase, or clause which follows a linking verb to re-identify or describe the subject is called the subject complement.
For example:
The former athlete became a newscaster.
A parody is a mocking imitation.
The cake looks delicious.
Some common linking verbs include be, appear, become, feel, seem, smell, taste, and sound.
To test whether a verb is a linking verb, replace the verb with the appropriate form of seem. If the sentence is still saying pretty much the same thing, the verb is a linking verb.
Action Verb: She tasted the ice soup.
Linking Verb: The soup tasted good.
(Tasted is used to help good describe the subject.)