Printable Simple, Compound and Complex Sentences Worksheets
Simple, compound, and complex sentence worksheets guide 3rd through 5th graders to master varied sentence structures. These printable exercises develop writing fluency through clause combining, conjunction sorting, and answer keys.
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Structured, printable skill sheets with step-by-step guidance for Simple, Compound and Complex Sentences.
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About Simple, Compound and Complex Sentences
What this skill is
Sentences are built in three structural forms: simple (one independent clause), compound (two independent clauses joined by a coordinating conjunction or semicolon), and complex (an independent clause joined to one or more dependent clauses).
When children learn it
Simple and compound sentences are mastered in 2nd and 3rd grade (CCSS L.3.1.i). Complex sentences with subordinating conjunctions are introduced in 3rd grade and practiced extensively in 4th and 5th grade.
Teaching Tips
- Count the clauses together: if there is only one subject-verb team, it is simple. If there are two subject-verb teams joined by FANBOYS (for, and, nor, but, or, yet, so), it is compound. If one team starts with a connector like "because" or "while", it is complex.
Common Mistakes
- Confusing compound sentences with simple sentences that have compound verbs (like "He ran and jumped").
- Omitting the comma before the coordinating conjunction in compound sentences.
- Mistaking a dependent clause for an independent sentence when analyzing complex structures.