Simple sentence
A sentence with one independent clause and no dependent clause
Compound sentence
A sentence with multiple independent clauses but no dependent clauses
Complex sentence
A sentence with one independent clause and at least one dependent clause
Compound-complex sentence
A sentence with multiple independent clauses and at least one dependent clause
My aunt enjoyed the hayride.
Simple sentence
She enjoyed movies, but she preferred to read.
Compound sentence
The dog barked when the delivery truck arrived.
Complex sentence
After a long day at work, Mary drank coffee and went home to study.
Compound-complex sentence