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 12 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 kettle boiled, and Grandma made tea., You can paint, or you can draw., The museum opens at nine., I brushed my teeth before I went to bed., The dog barked until the van drove away., The old clock ticked loudly.
SimpleCompoundComplex
2.Sort each one: Simple or Compound or Complex?
Sort: My sister plays the drums., Because the road was icy, the bus was late., A fox crept across the field., It started to rain, so we went inside., The power went off, so we lit a candle., If you finish early, you can read a book.
SimpleCompoundComplex
3.Sort each one: Simple or Compound or Complex?
Sort: We can walk, or we can take the bus., We ate lunch under a tree., The baby laughed at the puppy., We stayed inside because it was raining., The wind blew hard, but the tent stayed up., Although it was cold, we went for a walk.
SimpleCompoundComplex
LessonPrint · L.4.1 · Set 12 · free to copy for classroom use
Answer key — Simple, Compound or Complex?
Set 12. Prints on its own sheet.
1.1. I brushed my teeth before I went to bed. — Complex 2. The dog barked until the van drove away. — Complex 3. The kettle boiled, and Grandma made tea. — Compound 4. The museum opens at nine. — Simple 5. The old clock ticked loudly. — Simple 6. You can paint, or you can draw. — Compound
2.1. A fox crept across the field. — Simple 2. Because the road was icy, the bus was late. — Complex 3. If you finish early, you can read a book. — Complex 4. It started to rain, so we went inside. — Compound 5. My sister plays the drums. — Simple 6. The power went off, so we lit a candle. — Compound
3.1. Although it was cold, we went for a walk. — Complex 2. The baby laughed at the puppy. — Simple 3. The wind blew hard, but the tent stayed up. — Compound 4. We ate lunch under a tree. — Simple 5. We can walk, or we can take the bus. — Compound 6. We stayed inside because it was raining. — Complex
Last reviewed 2026-09-05. Aligned to L.4.1 of the Common Core State Standards for English Language Arts.