1)         I have been attending Liceo Scientifico for two years

2)         I have been practising swimmng for ten years

3)         I have been trevelling for four hours

4)         He has been sleeping for two hours

5)         They have been watching TV since lunchtime

6)         He has been smoking for an hour

7)         Jennifer has been washing the car for about 10 minutes

8)         John and his brother have been playing footballsince 5 o'clock

9)         Jane has been doing the ironing since half past six

10)   Clara has been doing the washing up for about ten minutes

11)   We have been cleaning the windows for half an hour

12)   It has been snowing for three days

13)   Grandma has been knitting for half an hour

14)   Patrick has been singing since he got up

15)   We have been studying German for about five months

16)   He has been playing the piano for about two years

17)   It has been raining since Tuesday

18)   I have been using my laptop since I was 10

19)   They have been surfing the net for an hour

20)   David has been listening to music for three hours

21)   I have been working at this project for about six months

22)   They have been cutting the grass since lunchtime

23)   I have been repairing the bike for three hours

24)   Michael has been driving for five hours

25)   We have been ice-skating since we were four

26)   Rebecca has been sleeping for four hours

27)   I have been playing the giutar since I was small

28)   I have benn going to school since I was six

29)   They have been doing homework since 2 p.m.

30)   I have been practising sport for 12 years

1)         We have been friends for about four years

2)         They have been married for two years

3)         I have been a female since I was born

4)         I have been sick since last week

5)         She has been divorced for one year

6)         We have been toghether for seven years

7)         We have been recovered for a week

8)         You have been fit for a month

9)         I have been your friend for four years

10)   I have been married since 2010