They've been working on it for months but are getting nowhere.
I know for a fact that he's been working here for years.
Since the divorce, she's been working two jobs to keep above water.
Desde el divorcio, trabaja en dos empleos para mantenerse a flote.
We have been working in the recycling field for over thirty years.
Nuestra empresa trabaja en el sector del reciclado desde hace treinta años.
Risen Energy has been working in the solar industry since established.
She's been working her socks off to finish the project on time.
Ha estado trabajando a tope para terminar el proyecto a tiempo.
He's been working twelve hours on the trot without taking a break.
Ha estado trabajando doce horas seguido sin tomar un descanso.
His grubby clothes suggested he had been working hard all day.
Su ropa sucia sugería que había estado trabajando duro todo el día.
I really hope so; we've been working hard to win this contract.
Ojalá; hemos estado trabajando duro para ganar este contrato.
You've been working nonstop; take it easy this weekend and just relax.
Has estado trabajando sin parar; tómate el fin de semana con calma y relájate.
He's after a promotion, so he's been working late every single night.
Él está detrás de un ascenso, así que ha estado trabajando hasta tarde.
She is taking a break, seeing that she has been working nonstop.
Está tomando un descanso, dado que ha estado trabajando sin parar.
I caught him screwing around when he should have been working.
Lo pillé haciendo el vago cuando debería haber estado trabajando.