A subject is the noun or pronoun that a sentence is about. It either performs the action of the verb or is being described.

- The cat chased the mouse. → Subject: cat
- John is running. → Subject: John
Learn the Grammar - English Grammar
Types of Subjects in English Grammar
1. Simple subject
This is the main noun or pronoun that performs the action described by the verb.
Example: In the sentence "The cat is sleeping on the couch," the simple subject is "cat."
2. Complete subject
This includes the simple subject and all of the words that modify it.
Example: In the sentence "The fluffy white cat is sleeping on the couch," the complete subject is "The fluffy white cat."
3. Compound subject
This is a subject made up of two or more simple subjects that are joined by a conjunction (such as "and" or "or").
Example: In the sentence "The fluffy white cat is sleeping on the couch," the complete subject is "The fluffy white cat."
4. Indefinite subject
This is a subject that does not refer to a specific person or thing, such as "everyone," "nobody," or "something."
Example: In the sentence "Everyone is welcome at the party," the indefinite subject is "everyone."
5. Collective subject
This is a subject that refers to a group of people or things as a single unit.
Example: In the sentence "The team is practicing today," the collective subject is "team."
6. Abstract subject
This is a subject that refers to an idea, concept, or quality rather than a concrete person or thing.
Example: In the sentence "Friendship is important," the abstract subject is "friendship."
Use of Subject
In English grammar, the subject is the noun or pronoun that performs the action described by the verb in a sentence. The subject is usually placed at the beginning of the sentence and is the focus of the sentence.
Example:
- The cat is sleeping on the couch. (The subject is "cat.")
- She is going to the store. (The subject is "she.")
- The boys are playing soccer. (The subject is "boys.")
In English, the subject is usually a noun or pronoun, but it can also be a noun phrase (a group of words that functions as a noun) or a clause (a group of words that contains a subject and a verb).
Example:
- Noun phrase: "The small brown cat that lives next door slept on the couch." ("The small brown cat that lives next door" is the subject of the sentence.)
- Clause: "Who slept on the couch?" ("Who" is the subject of the clause and the sentence.)
The subject is an important part of a sentence because it tells us who or what is acting. It is often accompanied by a verb and may also be modified by adjectives or other modifiers.
Example:
- The fluffy white cat is sleeping on the couch. (The subject is "cat," and it is modified by the adjectives "fluffy" and "white.")
- She, the talented dancer, is going to the store. (The subject is "she," and it is modified by the noun phrase "the talented dancer.")
Steps to Identify the Subject
Step 1: Find the verb first
Ask yourself: What is happening in the sentence?
Once you find the verb, the subject is the noun or pronoun that is linked to that action.
Step 2: Check whether the sentence is active or passive
- In an active sentence, the subject does the action.
Example: The dog chased the ball. → Subject: dog
- In a passive sentence, the subject receives the action.
Example: The ball was chased by the dog. → Subject: ball
Step 3: Identify the words that modify the subject
Adjectives and articles often come before the subject.
They help form the complete subject, but the main noun is the simple subject.
Example: The small black cat hissed.
→ Complete subject: The small black cat
→ Simple subject: cat
Step 4: Look for compound subjects
If two or more subjects are joined by a conjunction (like and, or, or), include all of them.
Example: Riya and Meera are studying.
→ Compound subject: Riya and Meera
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Quiz on Subject
Q 1. Which of the following sentences has a subject and a verb?
A. The cat chased the mouse.
B. A fluffy white kitten.
C. Across the street.
D. It is raining today.
Q 2. In the sentence "The cat chased the mouse," what is the subject?
A. The cat
B. The
C. Mouse
D. Chased
Q 3. In the sentence "She is singing a song," what is the verb?
A. She
B. Is
C. Singing
D. Song
Q 4. In the sentence "The sun is shining brightly," what is the subject?
A. The sun
B. Is
C. Shining
D. brightly
Q 5. In the sentence "He is playing soccer," what is the verb?
A. He
B. Is
C. Playing
D. Soccer
Answers:
1. A
2. A
3. C
4. A
5. C