The document provides examples and exercises about the present perfect continuous (I have been doing) tense in English. It covers identifying activities people have been doing based on context clues, forming questions using the present perfect continuous, and completing sentences and questions using the correct present perfect continuous verb size. There are also examples that contrast using the present perfect continuous versus the past simple tense. The exercises are meant lớn help learners practice forming and using the present perfect continuous tense properly in different contexts.

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