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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 14 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: We missed the bus we walked to school., After the long walk home., We ran up the beach., A bird sang outside my window., Jumping and splashing in the puddles., The tide came in we ran up the beach.

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

Sort: The dog barked it woke the baby., Our team won the match., Under the old bridge., If it rains tomorrow., The children built a sandcastle., It was cold we wore our coats.

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

Sort: My cat sleeps on the windowsill., The rain stopped we went outside., Leo lost his hat he looked everywhere., When the bell rang., Too tired to finish., The parade started at noon.

Complete sentenceFragmentRun-on

LessonPrint · L.4.1 · Set 14 · free to copy for classroom use

Answer key — Sentence, Fragment or Run-On?

Set 14. Prints on its own sheet.

  1. 1.1. A bird sang outside my window. — Complete sentence 2. After the long walk home. — Fragment 3. Jumping and splashing in the puddles. — Fragment 4. The tide came in we ran up the beach. — Run-on 5. We missed the bus we walked to school. — Run-on 6. We ran up the beach. — Complete sentence
  2. 2.1. If it rains tomorrow. — Fragment 2. It was cold we wore our coats. — Run-on 3. Our team won the match. — Complete sentence 4. The children built a sandcastle. — Complete sentence 5. The dog barked it woke the baby. — Run-on 6. Under the old bridge. — Fragment
  3. 3.1. Leo lost his hat he looked everywhere. — Run-on 2. My cat sleeps on the windowsill. — Complete sentence 3. The parade started at noon. — Complete sentence 4. The rain stopped we went outside. — Run-on 5. Too tired to finish. — Fragment 6. When the bell rang. — Fragment

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