Subject and Predicate

The simple subject is the main noun or pronoun that tells who or what the sentence is about, without any modifiers.

The simple subject is 'cat'.

The simple predicate is the main verb or verb phrase that tells what the subject does or is.

The simple predicate is 'barks'.

The subject is who or what the sentence is about, while the predicate tells something about the subject.

Subject: 'The teacher'; Predicate: 'explains the lesson.'

A compound subject consists of two or more subjects that share the same verb and are joined by a conjunction.

Example: 'Tom and Jerry are friends.' (Subjects: Tom, Jerry)

A compound predicate consists of two or more verbs or verb phrases that share the same subject.

Example: 'She sings and dances.' (Predicates: sings, dances)