There are two elements to every sentence: the subject and the predicate. When using a regular verb, the predicate explains the activity that the subject performed.

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• Sam went to the mall

Here, Sam is the subject, the person who does the action, and went to the store is the predicate. The verb went, the past tense of the irregular verb go, is an action verb when used like this. The prepositional phrase to the mall is also part of the predicate because it explains where the action took place.  

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Specific predicates known as subject complements, which describe the subject rather than the action, are only used with linking verbs. There are two distinct categories of subject complements, or predicates, for linking verbs:

1. Predicate nominative: When the words characterizing the subject are nouns or noun phrases, the sentence has a predicate nominative (predicate noun).

Payal is a dancer and a painter

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2. Predicate adjective: When the topic is described using adjectives or adjective phrases, this is known as a predicate adjective.

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She was angry and sad so she skipped her lunch

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 Remember that phrases can sometimes be subject complements.

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