Below are a variety of explanation sheets and PowerPoint presentations dealing with principles of grammar.

 Parts of Speech: Handout on how to identify the eight parts of speech in English.

PowerPoint Presentation: Identifying parts of speech.

 Clauses -- Subjects and Verbs: How to recognize clauses and find simple subjects and complete verbs.

 Combining Clauses -- Compound and Complex Sentences: How to use different types of sentences and punctuate them correctly

 Run-on Sentences and Comma Splices: How to recognize run-ons and avoid them in your writing.

 Sentence Fragments: How to recognize sentence fragments and avoid them in your writing.