Sites that are useful in teaching grammar skills.


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http://www.kwarp.com/portfolio/grammarninja.html
Grammar Ninja is a site that lets you choose from three levels.

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http://www.learnenglish.org.uk/grammar/archive/grammar_games_index_page01.html
Sixty plus games to teach grammar.


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http://grammar.ccc.commnet.edu/grammar/
A wide variety of definitions with quizzes.