Online Writing Lab at Purdue University
Purdue University Owl: Exercise: Comma vs. Semicolon: Compound Sentences
A handout with forty sentences for practicing comma and semicolon usage in compound sentences; answer key provided.
Grammar Tips
Commas With Compound Sentences
This clearly worded guide clearly explains how to use commas in compound sentences.
Texas Education Agency
Texas Gateway: Simple and Compound Sentences | No Nonsense Grammar
A sentence is a group of words that expresses a complete thought. A simple sentence contains a subject and a verb and by itself contains a complete thought. A compound sentence contains two independent clauses joined by a coordinator:...