4.Bob has drunk beer for 2 year.
5.She has been singing that song for 2 hours.
6.We are talking the English exam.
7.Do you like watching TV?
8.Bill will have written that long exercise.
9.He played tennis last summer.
11.Bow has sold her old skirts.
12.The birds will fly in the sky.
13.They will visit their uncle next year.
14.The train is coming to the station.
15.The children will be playing football in the gym.
16.The team has gone to China since Christmas.