Grammar
Compound and Complex Sentences
A simple sentences expresses a complete thought. It has a subject and a predicate.
Example: Satchel Paige was a great athlete.
A compound sentence contains two simple sentences joined by a comma and a conjunction such as and, but, or or.
Example: Fans waited many hours to see him, but Satch never let them down.
A complex sentence contains an independent clause, which can stand alone, and a dependent clause, which cannot stand alone. The clauses are joined with a word such as if, when, because, until, before, after, or since.
Example: When the second baseman caught the ball, the Tigers made a double play.