e.g. I have been in the new school for a week.for a weeklast weekpresentpastfor + 时间段e.g. Lily has been away from home since last Friday.since last Fridaylast Fridaypresentpastsince + 时间点Fillintheblankswith foror since.1.Hisfatherhasbeendead_manyyears.2.Hehasbeenawayfromthearmy_elevenyearsbecauseofalegwound.3.HehasbeeninBeijing_2003.4.HehasbeenamemberofHelpersClub_2004.5.Hehashadahouse_2005.6.Hehaskeptthecar_fouryears.forforsincesincesinceforsince 8:00The woman left home at 8:00.for 2 hours8:00p
