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 18 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: Maya likes apples, but her brother likes pears., We ate lunch under a tree., The dog barked until the van drove away., The museum opens at nine., The whistle blew, and the players ran onto the field., We stayed inside because it was raining.

SimpleCompoundComplex

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

Sort: The power went off, so we lit a candle., A fox crept across the field., I brushed my teeth before I went to bed., The kettle boiled., While Dad cooked, we set the table., It started to rain, so we went inside.

SimpleCompoundComplex

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

Sort: After the bell rang, the children lined up., The wind blew hard, but the tent stayed up., The bus stopped at the corner., Leo found a shell on the beach., We can walk, or we can take the bus., If you finish early, you can read a book.

SimpleCompoundComplex

LessonPrint · L.4.1 · Set 18 · free to copy for classroom use

Answer key — Simple, Compound or Complex?

Set 18. Prints on its own sheet.

1.1. Maya likes apples, but her brother likes pears. — Compound 2. The dog barked until the van drove away. — Complex 3. The museum opens at nine. — Simple 4. The whistle blew, and the players ran onto the field. — Compound 5. We ate lunch under a tree. — Simple 6. We stayed inside because it was raining. — Complex
2.1. A fox crept across the field. — Simple 2. I brushed my teeth before I went to bed. — Complex 3. It started to rain, so we went inside. — Compound 4. The kettle boiled. — Simple 5. The power went off, so we lit a candle. — Compound 6. While Dad cooked, we set the table. — Complex
3.1. After the bell rang, the children lined up. — Complex 2. If you finish early, you can read a book. — Complex 3. Leo found a shell on the beach. — Simple 4. The bus stopped at the corner. — Simple 5. The wind blew hard, but the tent stayed up. — Compound 6. We can walk, or we can take the bus. — Compound

Last reviewed 2026-09-05. Aligned to L.4.1 of the Common Core State Standards for English Language Arts.