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. have been living
2. has been working
3. have been waiting
4. have been studying
5. have been playing
Формула для PRESENT PERFECT CONTINUOUS: have/has + been + verb+ing