Complex Sentence Structure

Complex Sentence Structure: The Building Blocks of Great Writing

Have you ever read a story that felt choppy and boring? "The dog ran. It was fast. The ball rolled. The dog caught it." Now imagine this instead: "The fast dog ran across the yard because the ball was rolling away, and it caught the ball just in time." Which sounds better?

The difference is sentence structure. When writers know how to build complex sentences, their writing flows like a smooth river instead of bumping along like a rocky road.

Independent vs. Dependent Clauses

Think of clauses like LEGO blocks. An independent clause is a complete thought that can stand alone: "The cat climbed the tree." A dependent clause needs help to make sense: "Because it saw a bird."

Put them together, and you get: "The cat climbed the tree because it saw a bird." The dependent clause explains why the cat climbed.

Connecting Words: Your Writing Superpower

Coordinating conjunctions (and, but, or) join ideas that are equally important:

• •"I wanted pizza, but my sister wanted tacos."
• •"We could go to the park or stay inside and read."

Subordinating conjunctions (because, since, when) show that one idea depends on another: "I brought my umbrella because it looked like rain."

From Choppy to Smooth

When you're editing your own writing or helping a friend, look for short, choppy sentences that can be combined. Here's a real example from a third-grader's story about her pet hamster:

Original: "Fluffy is my hamster. She is brown and white. She likes sunflower seeds. I feed her every morning. She runs on her wheel at night."

Revised: "Fluffy is my brown and white hamster who loves sunflower seeds. I feed her every morning, and she runs on her wheel at night when the house gets quiet."