I haven't seen you ____ last week
I haven't seen you SINCE last week
She has been married ____ ten years
She has been married FOR ten years
I've lived here ____ 2003
I've lived here SINCE 2003
I haven't eaten anything _____ breakfast.
I haven't eaten anything SINCE breakfast.
I have been waiting ____ 12:30.
I have been waiting SINCE 12:30.
Fred and Frida have been learning French 1998.
Fred and Frida have been learning French FOR 1998
Zoe and Josephine have been going out together _____ Valentine's Day.
Zoe and Josephine have been going out together SINCE Valentine's Day.
Tim and Tina have been learning English ______ six years.
Tim and Tina have been learning English FOR six years.
_____she came here I've been very nervous
SINCE she came here I've been very nervous
I have been waiting ____ 4 o'clock.
I have been waiting FOR 4 o'clock.
I have been living in Valencia _____last June
I have been living in Valencia SINCE last June
You have been watching TV _____ hours
You have been watching TV FOR hours
Sue has only been waiting _____ 20 minutes.
Sue has only been waiting FOR 20 minutes.
I've lived here ____ 5 years.
I've lived here FOR 5 years.
Yesterday I studied _____ three hours
Yesterday I studied FOR three hours
We have been living here ____ 2 months.
We have been living here FOR 2 months.
I have been living in New York ____ 1 year
I have been living in New York FOR 1 year
I haven't been on holiday ______ last July.
I haven't been on holiday SINCE last July.
I haven't seen you ____ a week
I haven't seen you FOR a week
Mary has been saving her money _____ many years.
Mary has been saving her money FOR many years.