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 ...

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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.