
Identify the simple subject or predicate of a sentence
Free printable Grade 3 English worksheet for "Identify the simple subject or predicate of a sentence" — practice sentences, fragments, and run-ons (grammar and mechanics). No-prep, print or assign online.
This worksheet helps students practice identifying the simple subject and simple predicate in sentences, reinforcing foundational grammar skills. Teachers can use it to assess students' understanding of sentence structure and support lessons on sentence components. Ideal for Grade 3 learners, it targets grammar and mechanics within the topic of sentences, fragments, and run-ons.
Learning objectives
- Identify the simple subject in a variety of sentences
- Identify the simple predicate in a variety of sentences
- Distinguish between the simple subject and simple predicate in sentences
Answer Key

How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for Grade 3; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Identify the simple subject or predicate of a sentence” worksheet free?
Yes. “Identify the simple subject or predicate of a sentence” is a free printable English & Reading worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this English & Reading worksheet for?
It's designed for Grade 3 (ages 8–9), covering Sentences, fragments, and run-ons.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
Make it your own in the Worksheet Studio
Combine this with other worksheets, duplicate it, or generate a fresh version for any grade and language — free, no sign-up.
Open the Worksheet Studio


