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Grammar book.com: Effective Writing
Brief list from The Blue Book with examples of how to take ineffective writing and transforming it into effective writing.
ClassFlow
Class Flow: Teaching Tone
[Free Registration/Login Required] Teach tone using passages from Abraham Lincoln, Mark Twain, and Edgar Allen Poe. We annotate passages focusing on diction and syntax to illustrate how the language contributes to the overall tone of the...
BBC
Bbc Bitesize Revision: Formal Tone in a Discursive Essay
This page provides several tips for using formal tone in an essay. The tips are arranged into 'Do' and 'Do not use' categories.