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 7 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: I brushed my teeth before I went to bed., The dog barked, and the cat ran up a tree., She smiled when she saw the cake., It started to rain, so we went inside., The baby laughed at the puppy., The kettle boiled.
SimpleCompoundComplex
2.Sort each one: Simple or Compound or Complex?
Sort: The dog barked until the van drove away., The power went off, so we lit a candle., I wanted to skate, but the rink was closed., The old clock ticked loudly., Because the road was icy, the bus was late., We ate lunch under a tree.
SimpleCompoundComplex
3.Sort each one: Simple or Compound or Complex?
Sort: Maya likes apples, but her brother likes pears., The museum opens at nine., Snow covered the whole town., The kettle boiled, and Grandma made tea., While Dad cooked, we set the table., When the kettle boiled, Grandma made tea.
SimpleCompoundComplex
LessonPrint · L.4.1 · Set 7 · free to copy for classroom use
Answer key — Simple, Compound or Complex?
Set 7. Prints on its own sheet.
1.1. I brushed my teeth before I went to bed. — Complex 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. The dog barked, and the cat ran up a tree. — Compound 6. The kettle boiled. — Simple
2.1. Because the road was icy, the bus was late. — Complex 2. I wanted to skate, but the rink was closed. — Compound 3. The dog barked until the van drove away. — Complex 4. The old clock ticked loudly. — Simple 5. The power went off, so we lit a candle. — Compound 6. We ate lunch under a tree. — Simple
3.1. Maya likes apples, but her brother likes pears. — Compound 2. Snow covered the whole town. — Simple 3. The kettle boiled, and Grandma made tea. — Compound 4. The museum opens at nine. — Simple 5. When the kettle boiled, Grandma made tea. — Complex 6. While Dad cooked, we set the table. — Complex
Last reviewed 2026-09-05. Aligned to L.4.1 of the Common Core State Standards for English Language Arts.