Simple, Compound and Complex Sentences

Answer Key - Grade 3 Grammar Worksheet

Write simple, compound, or complex.

1. 1.

   We stayed inside because it was raining.

   complex
2. 2.

   Birds sing in the morning.

   simple
3. 3.

   The dog barked.

   simple
4. 4.

   It was raining, so we stayed inside.

   compound
5. 5.

   I wanted a snack, but the jar was empty.

   compound
6. 6.

   The store was closed, so we went home.

   compound
7. 7.

   Mia sang while Sam played the piano.

   complex
8. 8.

   Because it was late, we hurried home.

   complex
9. 9.

   After the bell rang, we lined up.

   complex
10. 10.

    Unless it snows, the game will start at noon.

    complex