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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 22 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: The big dog with the red collar., My sister sings she also dances., Because the tide came in., The children built a sandcastle., We missed the bus we walked to school., The tide came in.

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

Sort: My cat sleeps on the windowsill., After the long walk home., When the bell rang., Leo lost his hat he looked everywhere., The rain stopped we went outside., The parade started at noon.

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

Sort: We ran up the beach., Too tired to finish., The bell rang the children lined up., The girl who lives next door., I like pizza my brother likes pasta., Sam fixed his bike.

Complete sentenceFragmentRun-on

LessonPrint · L.4.1 · Set 22 · free to copy for classroom use

Answer key — Sentence, Fragment or Run-On?

Set 22. Prints on its own sheet.

  1. 1.1. Because the tide came in. — Fragment 2. My sister sings she also dances. — Run-on 3. The big dog with the red collar. — Fragment 4. The children built a sandcastle. — Complete sentence 5. The tide came in. — Complete sentence 6. We missed the bus we walked to school. — Run-on
  2. 2.1. After the long walk home. — Fragment 2. Leo lost his hat he looked everywhere. — Run-on 3. My cat sleeps on the windowsill. — Complete sentence 4. The parade started at noon. — Complete sentence 5. The rain stopped we went outside. — Run-on 6. When the bell rang. — Fragment
  3. 3.1. I like pizza my brother likes pasta. — Run-on 2. Sam fixed his bike. — Complete sentence 3. The bell rang the children lined up. — Run-on 4. The girl who lives next door. — Fragment 5. Too tired to finish. — Fragment 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.