Раскройте скобки употребляя глаголы в present perfect continuous active 1) susan (to wait) for kate for forty minutes. 2) the children (to watch tv) for two hours. 3) my father (to read) newspapers for thirty minutes. 4) your grandmother (to cook) dinner since 11 o'clock. 5) your grandmother (to spin) for half an hour? 6) nick and pete (not, to play) chess since morning. they (to play) a computer game. 7) ann (already, to take) a shower for twenty minutes.

1. Susan has been waiting for Kate for forty minutes. 
2. The children have been watching TV for two hours.
3. My father has been reading newspapers for thirty minutes.
4. Your grandmother has been cooking dinner since 11 o'clock. 
5. Has your grandmother been spinning for half an hour? 
6. Nick and Pete haven't been playing chess since morning.  They have been playing a computer game. 
7. Ann has already been taking a shower for twenty minutes.