Welcome to The Reliable Narrator, your guide to navigating the seas of English grammar. Today, we’re focusing our lens on the subject of a sentence.
If you’re curious about what a sentence subject is, how it’s defined, and its role in a sentence, this article is the right fit for you. The Reliable Narrator has all your English needs covered.
What is the Subject of a Sentence?
In the theatre of a sentence, the subject plays the leading role. Primarily a noun, pronoun, or noun phrase, acts as the subject of a sentence and performs the action or is in the state described by the verb.
It answers the questions: “who” or “what” is performing the action? Examples include ‘John’, ‘they’, or ‘the tall trees’ in sentences like ‘John runs’, ‘They are singing’, or ‘The tall trees sway in the wind’.
Key takeaway: The subject of a sentence who or what the sentence is about.
The Subject of a Sentence vs. The Object of a Sentence
The line between sentence subjects and objects is determined by their roles. While the subject performs or experiences the action, the object is what the action is directed towards. In the sentence, “The dog chased the cat,” ‘The dog’ is the subject, while ‘the cat’ is the object.
One way to differentiate: The subject often comes before the verb, though not always. In the sentence “In the garden blooms a rose,” ‘a rose’, even though it comes after the verb, is still the subject.
Identifying the Subject of a Sentence
Identifying the subject of a sentence is often a simple task. It’s typically the noun or pronoun that the sentence revolves around. If a sentence talks about something performing an action or being in a certain state, that thing is usually the subject.
Consider this example: “The movie was exciting.” In this case, ‘The movie’ is the subject as it is the noun being described.
Examples of Sentence Subjects
The subject of a sentence is easier to see in action. Here are some examples:
Elephants: In the sentence “Elephants never forget,” ‘Elephants’ is the subject.
She: In “She is studying,” ‘She’ is the subject.
My favorite book: In “My favorite book is on the shelf,” ‘My favorite book’ is the subject.
Each example demonstrates a subject performing an action or being in a state.
Sentence Subject Rules
The subject of a sentence, like all elements of grammar, follow specific rules. Here are some to help you navigate sentence subjects confidently:
Verb Agreement: The verb must agree with the subject in number. That is, a singular subject takes a singular verb, and a plural subject takes a plural verb. For example, “The bird sings,” or “The birds sing.”
Placement: While subjects usually come before the verb, they can follow it in questions or certain types of sentences. For example, “What is the time?”
Sentence Requirement: Every complete sentence must have a subject. For example, “It is raining.”
Why the Subject of a Sentence Matters
Subjects play a fundamental role in English grammar as they initiate action in a sentence. Without subjects, sentences would lack clarity and completeness. Understanding subjects is crucial for clear and effective communication.
Mastering Sentence Subjects
The best approach to mastering sentence subjects is to practice identifying them while reading or listening to English. Spotting how subjects interact with verbs will enhance your comprehension considerably.

Reliable Thoughts
Subjects are integral to the fabric of English sentence construction. They illuminate who or what is driving the action. From ‘elephants’ and ‘she’ to ‘my favorite book’, subjects set the scene and provide sentences with direction and context.
Whether you’re new to English or seeking to polish your skills, understanding sentence subjects, studying examples, and practicing their use can greatly improve your language prowess. The next time you’re forming a sentence, remember you’re setting the stage for a little drama. Happy learning!
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Let’s continue this voyage of discovery, one sentence subject at a time.



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