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The Better Writing section of the AskOxford website provides a guide to writing plain English, grammar tips, rules and some explanations of common grammatical errors and a guide to writing email, sms and chat messages using emoticons, acronyms and abbreviations.
This collection of free English learning resources is designed to help you study whatever aspect of conversational English is most interesting or important to you at the moment. Improving your English a little each day is the most effective way to learn English.