 1.The formation of the Present Perfect Continuous  2. The use of the tense  3.The words, generally used with Present Perfect Continuous.  4. The difference between Present Perfect and Present Perfect Continious  1.The formation of the Present Perfect Continuous  2. The use of the tense  3.The words, generally used with Present Perfect Continuous.  4. The difference between Present Perfect and Present Perfect Continious

Subject Auxiliary verb have has Auxiliary verb been Main verb base +ing Example: He had been working in a bank for seven years.

 I'm tired because I've been running.  Why is the grass wet ? Has it been raining?  You don't understand. Because you haven't been listening. I'm tired because I've been running PastPresentFuture Recent actionResult now

 I have been reading for 2 hours. [I am still reading now.]  We've been studying since 9 o'clock. [We're still studying now.]  How long have you been learning English? [You are still learning now.] I have been reading for 2 hours PastPresent Future Action started in past.Action is continuing now.

 We use for to talk about a period of time - 5 minutes, 2 weeks, 6 years. (I have been studying for 3 hours.)  We use since to talk about a point in past time - 9 o'clock, 1st January, Monday. (I have been watching TV since 7pm.)  We often use the words "lately" or "recently“ (Recently, I have been feeling really tired.)

 You should take care not to mix up the Present Perfect and the Present Perfect Continuous : the first one denotes a completed action while with the second one there is an implication of incompleteness. He has made some experiments. – He had been making experiments.

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