11 I haven't been working today
12 You haven't been eating well recently
13 We haven't been exercising enough
14 She hasn't been studying
15 They haven't been living here for very long
16 It hasn't been snowing
17 He hasn't been playing football for five years
18 We haven't been drinking enough water - that's why we feel tired
19 I haven't been sleeping - I was reading
20 They haven't been watching TV much recently
