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Sentence, Fragment or Run-On? is a free printable Grade 4 English worksheet on spotting a fragment or a run-on among complete sentences, aligned to Common Core standard L.4.1. It prints 3 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 17 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Sentence, Fragment or Run-On?

L.4.1

NameDate

Sort each one into the right column.

1.Sort each one: Complete sentence or Fragment or Run-on?

Sort: My cat sleeps on the windowsill., The tide came in we ran up the beach., Too tired to finish., The dog barked it woke the baby., After the long walk home., Our team won the match.

Complete sentenceFragmentRun-on
2.Sort each one: Complete sentence or Fragment or Run-on?

Sort: It was cold we wore our coats., The parade started at noon., We missed the bus we walked to school., The storm lasted all night., The girl who lives next door., Because the tide came in.

Complete sentenceFragmentRun-on
3.Sort each one: Complete sentence or Fragment or Run-on?

Sort: The rain stopped we went outside., Running down the hill., The children built a sandcastle., If it rains tomorrow., The bell rang the children lined up., We ran up the beach.

Complete sentenceFragmentRun-on

LessonPrint · L.4.1 · Set 17 · free to copy for classroom use

Answer key — Sentence, Fragment or Run-On?

Set 17. Prints on its own sheet.

  1. 1.1. After the long walk home. — Fragment 2. My cat sleeps on the windowsill. — Complete sentence 3. Our team won the match. — Complete sentence 4. The dog barked it woke the baby. — Run-on 5. The tide came in we ran up the beach. — Run-on 6. Too tired to finish. — Fragment
  2. 2.1. Because the tide came in. — Fragment 2. It was cold we wore our coats. — Run-on 3. The girl who lives next door. — Fragment 4. The parade started at noon. — Complete sentence 5. The storm lasted all night. — Complete sentence 6. We missed the bus we walked to school. — Run-on
  3. 3.1. If it rains tomorrow. — Fragment 2. Running down the hill. — Fragment 3. The bell rang the children lined up. — Run-on 4. The children built a sandcastle. — Complete sentence 5. The rain stopped we went outside. — Run-on 6. We ran up the beach. — Complete sentence

Last reviewed 2026-09-05. Aligned to L.4.1 of the Common Core State Standards for English Language Arts.