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 15 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: The kettle boiled., When the kettle boiled, Grandma made tea., The power went off, so we lit a candle., We ate lunch under a tree., The whistle blew, and the players ran onto the field., While Dad cooked, we set the table.

SimpleCompoundComplex

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

Sort: It started to rain, so we went inside., The kettle boiled, and Grandma made tea., The bus stopped at the corner., After the bell rang, the children lined up., Because the road was icy, the bus was late., A fox crept across the field.

SimpleCompoundComplex

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

Sort: She smiled when she saw the cake., The baby laughed at the puppy., The wind blew hard, but the tent stayed up., I brushed my teeth before I went to bed., The museum opens at nine., You can paint, or you can draw.

SimpleCompoundComplex

LessonPrint · L.4.1 · Set 15 · free to copy for classroom use

Answer key — Simple, Compound or Complex?

Set 15. Prints on its own sheet.

1.1. The kettle boiled. — Simple 2. The power went off, so we lit a candle. — Compound 3. The whistle blew, and the players ran onto the field. — Compound 4. We ate lunch under a tree. — Simple 5. When the kettle boiled, Grandma made tea. — Complex 6. While Dad cooked, we set the table. — Complex
2.1. A fox crept across the field. — Simple 2. After the bell rang, the children lined up. — Complex 3. Because the road was icy, the bus was late. — Complex 4. It started to rain, so we went inside. — Compound 5. The bus stopped at the corner. — Simple 6. The kettle boiled, and Grandma made tea. — Compound
3.1. I brushed my teeth before I went to bed. — Complex 2. She smiled when she saw the cake. — Complex 3. The baby laughed at the puppy. — Simple 4. The museum opens at nine. — Simple 5. The wind blew hard, but the tent stayed up. — Compound 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.