1 Karen hasn't posted much on Facebook recently.
2 I have never seen you wearing a tie!
3 We're exhausted because we have been gardening all day.
4 How many years have your parents had this house?
5 How long have you been learning to drive?
6 This is the first time I have heard Lara sing. She s brilliant!
7 We have known Ed since we first came to Liverpool.
8 My internet connection has't gone on and off a lot today.