1)Luke hasn't gone to Russia. He doesn't have a passport.
2)They are so selfish-they have been there for you!
3)We have seen her. She was standing next to us.
4)Karren explained it to her but she hasn't misunderstood- her isn't very good.
5)I'll ask at the reception desk. I have lost the keys.
6)A:Was James at the party last night? B: He hasn't been. He's in Italy.
7)Kate has let you know what was happening but she forgot.
8)There was so much traffic. There has been an accident.
9)We saw his bike in front of the house. He hasn't been here.
10)I has called my cossin yesterday. Now it's too late.
