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 20 of 25 · the same problems every time you open this link.
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: Snow covered the whole town., Leo found a shell on the beach., We stayed inside because it was raining., The whistle blew, and the players ran onto the field., While Dad cooked, we set the table., You can paint, or you can draw.
SimpleCompoundComplex
2.Sort each one: Simple or Compound or Complex?
Sort: She smiled when she saw the cake., I brushed my teeth before I went to bed., The kettle boiled, and Grandma made tea., The old clock ticked loudly., The baby laughed at the puppy., Maya likes apples, but her brother likes pears.
SimpleCompoundComplex
3.Sort each one: Simple or Compound or Complex?
Sort: It started to rain, so we went inside., When the kettle boiled, Grandma made tea., The museum opens at nine., The wind blew hard, but the tent stayed up., A fox crept across the field., The dog barked until the van drove away.
SimpleCompoundComplex
LessonPrint · L.4.1 · Set 20 · free to copy for classroom use
Answer key — Simple, Compound or Complex?
Set 20. Prints on its own sheet.
1.1. Leo found a shell on the beach. — Simple 2. Snow covered the whole town. — Simple 3. The whistle blew, and the players ran onto the field. — Compound 4. We stayed inside because it was raining. — Complex 5. While Dad cooked, we set the table. — Complex 6. You can paint, or you can draw. — Compound
2.1. I brushed my teeth before I went to bed. — Complex 2. Maya likes apples, but her brother likes pears. — Compound 3. She smiled when she saw the cake. — Complex 4. The baby laughed at the puppy. — Simple 5. The kettle boiled, and Grandma made tea. — Compound 6. The old clock ticked loudly. — Simple
3.1. A fox crept across the field. — Simple 2. It started to rain, so we went inside. — Compound 3. The dog barked until the van drove away. — Complex 4. The museum opens at nine. — Simple 5. The wind blew hard, but the tent stayed up. — Compound 6. When the kettle boiled, Grandma made tea. — Complex
Last reviewed 2026-09-05. Aligned to L.4.1 of the Common Core State Standards for English Language Arts.