Simple - consists of a single independent clause
<u>Compound</u> - consists of two or more independent clauses joined by a comma and a coordinating conjunction, a semicolon, or a semicolon and a conjunctive adverb
<u>Complex</u> - consists of one independent clause and at least one subordinate clause
<u>Compound-complex</u> - consists of two or more independent clauses and one or more subordinate clauses
I hope this helps, but please do not depend entirely on it, it may be incorrect.
