Turtle Diary
Turtle Diary: Simple, Compound, and Complex Sentences
Learn what sentences are, and learn to use simple, compound, and complex sentences effectively.
Sophia Learning
Sophia: Semicolons
A screencast lesson introducing the semicolon and explaining its usage. Several examples are provided. [2:04]
Khan Academy
Khan Academy: Compound Complex Sentences
Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them.
Khan Academy
Khan Academy: Coordinating Conjunctions
Coordinating conjunctions connect parts of sentences to each other. David explains how.
Khan Academy
Khan Academy: Simple and Compound Sentences
A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than...
Khan Academy
Khan Academy: Run Ons and Comma Splices
A run-on sentence doesn't separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction.
Sophia Learning
Sophia: Coordinating Conjunctions
This lesson introduces coordinating conjunctions and explaining their use and punctuation within compound sentences. [1:18]