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.
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Need one more? These are the skills next door at this grade.
The kind of sentences you'll get
Underline the complete subject of each sentence.
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The green frog hopped off the log.
Answer: The green frog
- The bright sun melted the ice.
- The heavy rain flooded the field.
Every print pulls a new set of sentences at this level, so a make-up test or a second sibling gets a different mix.
What's on a 3rd grade sheet
3rd grade sheets draw from 120 sentences, 12 to a page. All 60 of 2nd grade's sentences are here too, plus 60 more. 2nd grade sheets print 10 to a page.
Some of the words to find:
The brown ponyGrandma's gardenThe tall goalieThe snowThe full moonOur whole familyThe horses in the far pastureThe last piece of the puzzleThe pinecones under the tallest treeThe umpire behind the plate
- 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 3rd grade 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 241, updated August 2026.
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