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Present perfect continuous tense | English made easy

This video breaks down the Present Perfect Continuous tense into the simplest steps possible. You’ll learn how it’s formed, ...
How to Use the Present Perfect Continuous Tense in American English ...
Whether teaching or learning the present perfect, it is often useful to present the two verb aspects in a contrastive way. Compare the following: 'Dick Francis has been writing novels since 1957. In ...