Complete with or/since
We've lived here since 1987
They've lived in this house...six month
Mr Smith has had this car..years
She's been in our class...October
I haven't seen John...days
I haven't seen John...Monday
They've been in Italy...1998
They've been in Italy...a week
Janet has worked in this office...1994
I haven't talked to David...last week

Спасибо огромное))))

They`ve lived in this house for six months.                                                       Mr Smith has had this car for years.                                                                 She's been in our class since October.                                                            I haven't seen John for days.                                                                            I haven't seen John since Monday. 

They haven`t been in Italy since1998. They've been in Italy for a week. Janet has worked in this office since 1994. I haven't talked to David since last week.