Present perfect continuous tense. 1)we (live )in almaty since 1999 2)he looks tired. he (work) in the garden for 3 hours already 3)why are you so late? . i (wait) for you for an hour. 4)since when you (study ) at this school? 5)the children are in the yard. they (play ) there for 2 hours!
2) He looks tired. He (has been working ) in the garden for 3 hours already.
3) Why are you so late? I (have been waiting ) for you for an hour.
4) Since when have you (been studying ) at this school?
5) The children are in the yard. They (have been playing ) there for 2 hours!