1. We ‘ve been fishing for two hours

2. I've been working in this office FOR a month.

3 They've been living in France SINCE 1970.

4 He has been in prison FOR a year.

5 I've known that FOR a long time.

6 That man has been standing there SINCE six o'clock.

7 She has driven the same car SINCE 1975.

8 Things have changed SINCE I was a girl.

9. Mr Pitt has been in hospital SINCE his accident.

10 The central heating has been on SINCE October.
11 That trunk has been in the hall FOR a year.

12 He has been very ill SINCE the last month.

13 I've been using this machine FOR twelve years.

14 We've been waiting FOR half an hour.