Нужно правильно употребить в past simple , present perfect , present perfect continues 1. where are you? i (to wait) you for an hour already 2 he (not built) the house yet 3. kate (to wash) the floor for twenty minutes and she ( to clean) two rooms in her flat. 4 the children ( to play) football since three o'clock but they are not tined. 5. where you (to meat ) mary and josh the day before yesterday. 6. we ( to have buy) this house yet

1. l have been waiting...
2. he hasn't built...
3. has been washing... has been cleaning...
4. have been playing...
5. where did you meet...
6. we haven't bought

1.where are you?I have been waiting you for an hour 
2.he hasn*t  build the house yet 
3.kate   has been washing the floor for twenty minutes and she has  been cleaning two rooms in her flat
4.the children have been playing football since three o*clock but they are not tired
5.where did you  meat Mary and Josh the  day before yesterday
6.we haven*t  bought this house  yet