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Combining sentences

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Free printable combining sentences worksheets for 4th grade. Students practice merging two or more short, related sentences into a single, more complex sentence using conjunctions, relative clauses, participial phrases, or appositives. Sentence combining is one of the most research-supported strategies for improving sentence fluency and writing sophistication. Part of our sentences worksheets collection.

What You'll Learn

  • Combine two simple sentences into one compound or complex sentence
  • Use conjunctions and punctuation to join related ideas effectively
  • Practice sentence combining to improve fluency and writing variety

FAQ

Why is sentence combining considered an effective writing instruction strategy?

Research consistently shows that sentence combining practice improves writing quality by giving students a low-stakes way to experiment with complex sentence structures and internalize grammatical options.

What tools can students use to combine sentences effectively?

Students can combine using coordinating conjunctions (and, but, so), subordinating conjunctions (because, although), relative pronouns (who, which, that), or participial phrases — each creates a different relationship between ideas.

How is sentence combining connected to avoiding run-on sentences?

Ironically, over-combining without proper punctuation leads to run-ons — teaching sentence combining alongside run-on correction helps students understand both when to combine and how to do it correctly.

Grade
4th Grade
Ages
Ages 9-10
Subject
Grammar & Writing
Format
Printable PDF

Ratings & Reviews

3

Jamie T.

1st Grade Teacher · Verified download

Apr 2026

Thanks for creating this! I'll be using it the moment it's available.

Helpful · 4

David L.

2nd Grade Teacher · Verified download

May 2026

Looking forward to this! All the other ClassWeekly worksheets are excellent so I know this will be too.

Helpful · 8

Rachel H.

Homeschool parent · Verified download

Apr 2026

We've been waiting for this topic. Signed up just to get notified when it's ready.

Helpful · 6

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