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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 23 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: Leo lost his hat he looked everywhere., Sam fixed his bike., After the long walk home., Jumping and splashing in the puddles., The flowers need water., I like pizza my brother likes pasta.

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

Sort: Under the old bridge., The storm lasted all night., My cat sleeps on the windowsill., The rain stopped we went outside., When the bell rang., It was cold we wore our coats.

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

Sort: We ran up the beach., A bird sang outside my window., The bell rang the children lined up., Too tired to finish., The dog barked it woke the baby., If it rains tomorrow.

Complete sentenceFragmentRun-on

LessonPrint · L.4.1 · Set 23 · free to copy for classroom use

Answer key — Sentence, Fragment or Run-On?

Set 23. Prints on its own sheet.

  1. 1.1. After the long walk home. — Fragment 2. I like pizza my brother likes pasta. — Run-on 3. Jumping and splashing in the puddles. — Fragment 4. Leo lost his hat he looked everywhere. — Run-on 5. Sam fixed his bike. — Complete sentence 6. The flowers need water. — Complete sentence
  2. 2.1. It was cold we wore our coats. — Run-on 2. My cat sleeps on the windowsill. — Complete sentence 3. The rain stopped we went outside. — Run-on 4. The storm lasted all night. — Complete sentence 5. Under the old bridge. — Fragment 6. When the bell rang. — Fragment
  3. 3.1. A bird sang outside my window. — Complete sentence 2. If it rains tomorrow. — Fragment 3. The bell rang the children lined up. — Run-on 4. The dog barked it woke the baby. — Run-on 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.