The subject of a sentence is the person or thing doing the action or being described. Lee ate the pie. (Lee is the subject of the sentence. Lee is doing the action.) Lee is angry. (Lee is the subject of the sentence. Lee is being described.) In these two sentences, the verbs are ate and is.

The subject of a sentence is the person, place, concept, or thing the sentence is about. The predicate is the action the subject is performing or having performed on them; it can also be a description of them. The predicate always contains a verb. Sometimes, a sentence contains only a subject and a verb.

In English grammar, the subject is the part of a sentence or clause that commonly indicates (a) what it is about, or (b) who or what performs the action (that is, the agent). The subject is typically a noun ("The dog..."), a noun phrase ("My sister's Yorkshire terrier..."), or a pronoun ("It...").

Now, the subject of a sentence is the person, place, thing, or idea that is doing or being. The subject is sometimes called the “naming part” of a sentence or clause. It shows what the sentence is about, or who or what is performing an action in the sentence. The subject is most often a noun, pronoun, or noun phrase.

According to Your Dictionary, the subject of a sentence is the noun in the sentence that is doing or being something. The subject of the sentence is what the sentence is about. There are different types of subjects: simple subjects, compound subjects, and noun phrases/a noun clause.