This grammar lecture differentiates the Present Perfect Continuous (Have Been V+ing) from the Present Perfect (Have P.P.). It will go into a discussion of the Stative Verbs but will be continued to a second installment.
For Asian ESL learners!
For details, please visit http://www.coolelf.net/2011/09/have-been-studying-or-have-studied.html
;-)
آی-ویدئو