2 He needs a shower because he has been playing squash for two hours.
3 My Spanish isn't very good yet because I haven't been studying it for very long.
4 Have you washed the dishes yet?
5 I can't believe Simon hasn't still finished his project.
6 How long have we been waiting for this bus? It seems like hours.
7 Greg looks ill because he hasn't slept well recently.
8 Someone has stolen my bike.
9 oh, look! Gina has got a new boyfriend.