1.Example: Dan has been getting / got ready for the party for the last half an hour.
2.Peter and I have been going / gone to the same family doctor for years
3.How long have you known / been knowing George?
4.We can use the fax machine again now. Mr. Handy has fixed / been fixing it.
6.Don’s face is dirty. I think he has eaten / been eating chocolate.
7.They have been seeing / seen each other repeatedly since they left college.
8.I have told / been telling you for years that you don’t need to lose weight!