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My mother ............. at this factory since 2009.
has been working
have worked
Kris ............. in her studio since 2 o’clock.
has been painting
has painted
he birds ................ to the South.
have already been flying
have already flown
Sue............... to learn the poem.
has forgotten
has been forgetting
My children ............... cartoons for 5 hours.
have been watching
have watched
The girls ............... this game.
have already played
have already been playing
I ................ her for seven years.
have been knowing
have known
Nina ................ English for 2 years.
has learned
has been learning