⦁ It’s a long time since/ for I have seen/ saw/ have been seeing your brother Paul.
⦁ He has been/ was/ has been being stange ever since he has had/ had/ has been having the accident.
⦁ He has been living/ lives/ has lived in this town since/for 1980.
⦁ Sue is listening/ was listening/ has been listening to music since/for she bought a CD player.
⦁ You look very guilty! What did you do/ have you been doing/ have you done?
⦁ How many books have you collected/ have been collecting/ collected for a year?

 It’s a long time  for I have seen your brother Paul.⦁ He has been strange since he had the accident.⦁ He has been living in this town since 1980.⦁ Sue has been listening to music since she bought a CD player.⦁ You look very guilty! What have you been doing?⦁ How many books have you collected for a year?