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 9 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 whistle blew, and the players ran onto the field., It started to rain, so we went inside., The baby laughed at the puppy., The old clock ticked loudly., While Dad cooked, we set the table., Although it was cold, we went for a walk.

SimpleCompoundComplex

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

Sort: I brushed my teeth before I went to bed., We ate lunch under a tree., The power went off, so we lit a candle., The museum opens at nine., The dog barked until the van drove away., The dog barked, and the cat ran up a tree.

SimpleCompoundComplex

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

Sort: My sister plays the drums., If you finish early, you can read a book., Leo found a shell on the beach., The kettle boiled, and Grandma made tea., After the bell rang, the children lined up., We can walk, or we can take the bus.

SimpleCompoundComplex

LessonPrint · L.4.1 · Set 9 · free to copy for classroom use

Answer key — Simple, Compound or Complex?

Set 9. Prints on its own sheet.

1.1. Although it was cold, we went for a walk. — Complex 2. It started to rain, so we went inside. — Compound 3. The baby laughed at the puppy. — Simple 4. The old clock ticked loudly. — Simple 5. The whistle blew, and the players ran onto the field. — Compound 6. While Dad cooked, we set the table. — Complex
2.1. I brushed my teeth before I went to bed. — Complex 2. The dog barked until the van drove away. — Complex 3. The dog barked, and the cat ran up a tree. — Compound 4. The museum opens at nine. — Simple 5. The power went off, so we lit a candle. — Compound 6. We ate lunch under a tree. — Simple
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. My sister plays the drums. — Simple 5. The kettle boiled, and Grandma made tea. — 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.