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 2 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: The baby laughed at the puppy., It started to rain, so we went inside., She smiled when she saw the cake., I wanted to skate, but the rink was closed., While Dad cooked, we set the table., We ate lunch under a tree.
SimpleCompoundComplex
2.Sort each one: Simple or Compound or Complex?
Sort: If you finish early, you can read a book., I brushed my teeth before I went to bed., The power went off, so we lit a candle., The old clock ticked loudly., The museum opens at nine., The dog barked, and the cat ran up a tree.
SimpleCompoundComplex
3.Sort each one: Simple or Compound or Complex?
Sort: After the bell rang, the children lined up., A fox crept across the field., When the kettle boiled, Grandma made tea., My sister plays the drums., You can paint, or you can draw., The whistle blew, and the players ran onto the field.
SimpleCompoundComplex
LessonPrint · L.4.1 · Set 2 · free to copy for classroom use
Answer key — Simple, Compound or Complex?
Set 2. Prints on its own sheet.
1.1. I wanted to skate, but the rink was closed. — Compound 2. It started to rain, so we went inside. — Compound 3. She smiled when she saw the cake. — Complex 4. The baby laughed at the puppy. — Simple 5. We ate lunch under a tree. — Simple 6. While Dad cooked, we set the table. — Complex
2.1. I brushed my teeth before I went to bed. — Complex 2. If you finish early, you can read a book. — Complex 3. The dog barked, and the cat ran up a tree. — Compound 4. The museum opens at nine. — Simple 5. The old clock ticked loudly. — Simple 6. The power went off, so we lit a candle. — Compound
3.1. A fox crept across the field. — Simple 2. After the bell rang, the children lined up. — Complex 3. My sister plays the drums. — Simple 4. The whistle blew, and the players ran onto the field. — Compound 5. When the kettle boiled, Grandma made tea. — Complex 6. You can paint, or you can draw. — Compound
Last reviewed 2026-09-05. Aligned to L.4.1 of the Common Core State Standards for English Language Arts.