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!

1) We (have been living ) in Almaty since 1999.
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!