3rd grade subject and predicate worksheets
Third grade subject and predicate worksheets grow the subjects: added describing words (the tall oak tree) and compound subjects joined by and. Your child underlines the complete subject, and the split between subject and predicate lands right before the verb.
Free printable PDF worksheet.
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The kind of sentences you'll get
Underline the complete subject of each sentence.
-
The umpire behind the plate called the game at dusk.
Answer: The
- The player with the taped glove caught the final out.
- My cousins from the city visit every Thanksgiving.
Every print pulls a fresh set of sentences at this level, so a make-up test or a second sibling never gets the same sheet.
What's on each sheet
- Identify. Underline the complete subject of each sentence. 12 questions per page.
Every version prints on US Letter or A4, with its answer key on the last page.
How to teach this
Find the verb first. Once your child circles the action word, the complete subject is simply everything before it, describing words and all. Compound subjects are the week's trap: in 'Marco and his dad fish,' both people belong inside the underline.
Watch for: Kids underline only one word. The COMPLETE subject takes all its describing words along: not hen but the little red hen. Kids split at the middle of the sentence by eye. The real split is right before the verb; finding the verb first makes the subject fall out on its own.
Common questions about subject and predicate
- What is a compound subject?
- Two naming parts sharing one sentence: 'Marco and his dad fish on Sundays.' Both names belong inside the underline. These show up regularly at third grade because they are the most-missed case.
- Is subject and predicate a Common Core standard?
- Not by name; it is a curriculum-culture term that Texas standards make explicit and most classrooms teach. It feeds directly into Common Core sentence work like simple and compound sentences.
Related worksheets
- 2nd grade subject and predicate A step easier, same skill
- 4th grade subject and predicate A step harder, same skill
- 3rd grade combining sentences Same grade, nearby skill
- 3rd grade complex sentences Same grade, nearby skill
- 3rd grade expanding sentences Same grade, nearby skill
- Subject and predicate, all grades The full progression
- All 3rd grade English worksheets Every skill at this level
- All 3rd grade worksheets Everything at this level
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Reviewed by the One more sheet team. Content version 178, updated August 2026.
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