کتاب Complete English Grammer Rules (نسخه کامل)

Grammar is without a doubt one of the most daunting aspects of the English
language, an area riddled with complexities, inconsistencies, and
contradictions. It has also been in a state of flux for pretty much its entire
existence. For native speakers of English, as well as for those learning it as a
new language, grammar presents a very serious challenge to speaking and
writing both accurately and effectively.
Having a single, reliable, go-to reference guide should therefore be
indispensable to those trying to learn, improve, or perfect their speech or
writing. This book is that guide: a clear, unambiguous, and comprehensive
source of information that covers all the relevant topics of English grammar,
while still being easy to understand and enjoyable to read

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