Complex and Compound-Complex Sentences

A sentence with at least two independent clauses.

• Simple sentence
• Compound sentence
• Compound-complex sentence
• Complex sentence

A sentence with at least two independent clauses and one or more dependent clauses.

• Compound sentence
• Complex sentence
• Simple sentence
• Compound-complex sentence

Be sure to turn off the lights when you leave the room.

• simple
• compound
• complex

If I don't read carefully, I often make mistakes on my work.

• simple sentence
• complex sentence
• compound sentence

When I play a Quizizz quiz I have to remain focused.

• simple sentence
• complex sentence
• compound sentence

What type of sentence is this?
Whenever it rained, Kerry thought of her home in Ireland, and she worried about her mother.

• Simple
• compound
• complex
• compound-complex

What Kind of sentence is this?
Although it was sunny, the woods were dark, and Sue stumbled down the hill.

• simple
• compound
• complex
• compound-complex

A gem is a mineral or other material that is used in jewelry and other ornaments.

• complex
• compound-complex

Some gems occur in metamorphic rock which forms when hot, molten material cools. 

• complex
• compound-complex

Other gems occur in metamorphic rock which forms under great heat and pressure; still others occur in sedimentary rock which typically forms when water, wind, or ice deposits sand, gravel, and other materials.

• complex
• compound-complex