In pairs, make a dialogue for each situation. 1. you re at your friends house. you suddenly remember that you promised to phone your mother. you dont have a mobile phone. 2. the train is very full. a family is sitting together and these is one free space in the middle of them. 3. you need to leave class early today.

1. Oh Mike, I forgot to call my mom! I should've called her an hour ago! Oh no, I didn't take  my mobile phone with me. Could I borrow yours? - Sure, Dan! here you are. - Thanks a lot!
2. Excuse me, could I take that seat between you? Hope, I don't bother you much. - That's ok. Take your seat.
3. Mr. Brown, I'm afraid I'll have to leave earlier today. I have an appointment at the dentist's at 3 pm. - Ok, you may leave as soon as you hand in your test.