Grade 4 worksheet on identifying subjects, predicates, and sentences.

Let's solve the worksheet step by step.

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Worksheet: Subjects, Predicates, and Sentences

Instructions:
Decide whether each phrase below is a sentence, a subject, or a predicate. Write your choice in the blank.

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Definitions Recap (from the box):

- Subject: What the sentence is about.
- Predicate: Tells us what the subject does or is.
- Sentence: Includes both a subject and a predicate.

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Now, let's go through each item:

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1. The yellow daisy
- This is a noun phrase describing a thing (a flower). It tells us *what* we're talking about, but it doesn't say *what it does*.
→ Subject

2. Andy is tall.
- This has a subject ("Andy") and a predicate ("is tall"). It expresses a complete thought.
→ Sentence

3. Walks to the school.
- This is a verb phrase — it describes an action, but there’s no subject (who is walking?).
→ Predicate

4. Lives in Seattle.
- Again, a verb phrase with no subject. "Lives" is the verb, "in Seattle" is the prepositional phrase.
→ Predicate

5. My dog, Lucky.
- This is a noun phrase. It names a person/animal but doesn’t say anything about them.
→ Subject

6. We saw the movie.
- Has a subject ("We") and a predicate ("saw the movie"). Complete thought.
→ Sentence

7. The sister of my aunt.
- A noun phrase that names someone, but doesn’t say what she does.
→ Subject

8. Ate all of the pizza.
- Verb phrase — missing subject (who ate?).
→ Predicate

9. Wants to climb a mountain.
- Action described, but no subject.
→ Predicate

10. The doctor helps.
- Subject: "The doctor", Predicate: "helps". Complete thought.
→ Sentence

11. Angela and Sam.
- Two people named — this is a compound subject. No action stated.
→ Subject

12. Tom loves hamburgers.
- Subject: "Tom", Predicate: "loves hamburgers". Full sentence.
→ Sentence

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✔ Final Answers:

| # | Phrase | Answer |
|---|-----------------------------|--------------|
| 1 | The yellow daisy | Subject |
| 2 | Andy is tall. | Sentence |
| 3 | Walks to the school. | Predicate|
| 4 | Lives in Seattle. | Predicate|
| 5 | My dog, Lucky. | Subject |
| 6 | We saw the movie. | Sentence |
| 7 | The sister of my aunt. | Subject |
| 8 | Ate all of the pizza. | Predicate|
| 9 | Wants to climb a mountain. | Predicate|
|10 | The doctor helps. | Sentence |
|11 | Angela and Sam. | Subject |
|12 | Tom loves hamburgers. | Sentence |

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📝 Summary:

- Subjects are the "who" or "what" of the sentence.
- Predicates tell what the subject does or is.
- Sentences must have both a subject and a predicate and express a complete idea.

This exercise helps students understand how sentences are built from their basic parts.