Simple sentence
One main clause
Compound sentence
Two main clauses joined with a conjunction
Complex sentence
One main and at least one subordinate clause
Multi clausal sentence
Three or more clauses
Subordinating clause fronting
Subordinate clause comes first
Relative clause
Clause introduced by a relative pronoun
Parenthical clause
Clause inside brackets ()
Main clause
Group of words containing a subject and a verb that expresses a complete thought and can stand alone as a sentence
Subordinate clause
Clause that includes a subject and a verb but cannot stand alone as a complete sentence because it does not express a complete thought