since or for?

Target Language or Knowledge:

I haven't phoned home since Christmas. We've been here since nine o'clock. I have worked for International House for more than eight years. I haven't visited my home town since I left school. I haven't been to the cinema for ages. I have studied non-stop since 9.15. I have had a driving licence since I was eighteen. She hasn't had a day off since 1999. Johan has been in England for more than two weeks now. Peter has been my best friend since we were nine.

since since for since for since since since for since

1) Try to fill in the missing forms of the present perfect (page 61); 2) Write down own sentences about you. Please use since/for and the present perfect. Example: I have lived in XYZ since 2005. I have lived in XYZ for eight years.