Read the sentences and recollect how the present perfect continuous tense is used: 1) it has been raining for 3 hours already 2) it is 12 o'clock. bob has been working since 9 o'clock. it's time to have a break! 3) we have been living in almaty since 1999 4) robert has been playing the piano so well since he began to train regularly 5) why are you so hot ? -i have been running all the way 6) what's the matter with you? -i've got a headache. i've been writing christmas postcards since early morning. 7) i have been waiting for you at the museum for an hour!
