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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 20 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: I like pizza my brother likes pasta., The big dog with the red collar., The tide came in., The girl who lives next door., The rain stopped we went outside., My cat sleeps on the windowsill.

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

Sort: After the long walk home., The bell rang the children lined up., We missed the bus we walked to school., We ran up the beach., If it rains tomorrow., The children built a sandcastle.

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

Sort: The power went off we lit a candle., The storm lasted all night., Our team won the match., Too tired to finish., My sister sings she also dances., Under the old bridge.

Complete sentenceFragmentRun-on

LessonPrint · L.4.1 · Set 20 · free to copy for classroom use

Answer key — Sentence, Fragment or Run-On?

Set 20. Prints on its own sheet.

  1. 1.1. I like pizza my brother likes pasta. — Run-on 2. My cat sleeps on the windowsill. — Complete sentence 3. The big dog with the red collar. — Fragment 4. The girl who lives next door. — Fragment 5. The rain stopped we went outside. — Run-on 6. The tide came in. — Complete sentence
  2. 2.1. After the long walk home. — Fragment 2. If it rains tomorrow. — Fragment 3. The bell rang the children lined up. — Run-on 4. The children built a sandcastle. — Complete sentence 5. We missed the bus we walked to school. — Run-on 6. We ran up the beach. — Complete sentence
  3. 3.1. My sister sings she also dances. — Run-on 2. Our team won the match. — Complete sentence 3. The power went off we lit a candle. — Run-on 4. The storm lasted all night. — Complete sentence 5. Too tired to finish. — Fragment 6. Under the old bridge. — Fragment

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