Simple, Compound or Complex? is a free printable Grade 4 English worksheet on naming the structure of a sentence, 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 21 of 25 · the same problems every time you open this link.

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Simple, Compound or Complex?

L.4.1

NameDate

Sort each sentence into the right column.

1.Sort each one: Simple or Compound or Complex?

Sort: Leo found a shell on the beach., Although it was cold, we went for a walk., The dog barked, and the cat ran up a tree., While Dad cooked, we set the table., It started to rain, so we went inside., My sister plays the drums.

SimpleCompoundComplex

2.Sort each one: Simple or Compound or Complex?

Sort: The whistle blew, and the players ran onto the field., Because the road was icy, the bus was late., The old clock ticked loudly., The baby laughed at the puppy., When the kettle boiled, Grandma made tea., We can walk, or we can take the bus.

SimpleCompoundComplex

3.Sort each one: Simple or Compound or Complex?

Sort: The dog barked until the van drove away., We ate lunch under a tree., I wanted to skate, but the rink was closed., A fox crept across the field., The power went off, so we lit a candle., She smiled when she saw the cake.

SimpleCompoundComplex

LessonPrint · L.4.1 · Set 21 · free to copy for classroom use

Answer key — Simple, Compound or Complex?

Set 21. Prints on its own sheet.

1.1. Although it was cold, we went for a walk. — Complex 2. It started to rain, so we went inside. — Compound 3. Leo found a shell on the beach. — Simple 4. My sister plays the drums. — Simple 5. The dog barked, and the cat ran up a tree. — Compound 6. While Dad cooked, we set the table. — Complex
2.1. Because the road was icy, the bus was late. — Complex 2. The baby laughed at the puppy. — Simple 3. The old clock ticked loudly. — Simple 4. The whistle blew, and the players ran onto the field. — Compound 5. We can walk, or we can take the bus. — Compound 6. When the kettle boiled, Grandma made tea. — Complex
3.1. A fox crept across the field. — Simple 2. I wanted to skate, but the rink was closed. — Compound 3. She smiled when she saw the cake. — Complex 4. The dog barked until the van drove away. — Complex 5. The power went off, so we lit a candle. — Compound 6. We ate lunch under a tree. — Simple

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