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. 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