A complex sentence contains one independent clause and one or more dependent clauses. (dependent clauses usually begin with a subordinate conjunction ...
KINDS OF SENTENCES Simple Sentences A simple sentence has one independent clause. The President flew to Camp David. (one subject, one predicate) subject
A simple sentence can also have a compound subject and/or a compound predicate. The President and his advisors flew to Camp David and began work on the subject. compound subject
It is still only one independent clause.
Compound Sentences A compound sentence contains two or more independent clauses joined by coordinating conjunctions (for, and, nor, but, or, yet, so), semicolons, or a semicolon followed by a conjunctive adverb (transition). The new art show opened today, and the crowd was immense. independent clause
The new art show opened today; the crowd was immense. independent clause
Complex Sentences A complex sentence contains one independent clause and one or more dependent clauses (dependent clauses usually begin with a subordinate conjunction such as after, although, as, because, before, if, since, though, unless, until, when, whenever, where, wherever, while). When the new art show opened at the museum, the crowd was immense. dependent clause
A comma is used after a dependent clause that introduces an independent clause. The crowd was immense when the new art show at the museum opened. independent clause
No comma is necessary when the independent comes first
Compound-Complex Sentences A compound-complex sentence is a compound sentence with one or more independent clauses. When the play ended, the curtain closed, and the audience applauded. dependent clause
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