Advanced English Grammar Lesson for ESL – Perfect Tenses

Chalk ‘n’ Talk from http://www.businessenglishpod.com/category/grammar/ is a new series of video ESL lessons exploring advanced English grammar topics. The first lesson examines the use of perfect tenses in both the simple and continuous aspect – past, present and future forms. In grammatical terms, perfect tenses are used to refer to completed or finished events.

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