1 I have been looking for him all day. I can't find him.
2 He has been trying to fix the car all morning
3 I have bought lots of food this week
4 I have not brought any shampoo
5 It has been snowing, but it's stopped now
6 How long have they been cleaning the house?
7 I've known Lillian for two years
8 Have you been crying? Your eyes are red