Transposer chacune des phrases suivantes au present perfect.
I lived in this house for years.
He was working for this company.
He played the guitar in a band for years.
She was teaching in England.
They were teachers for 25 years.
She was his girlfriend for 5 years.
They were friends for years.
She was a technician for 10 years.
They helped her for a long time.
She was an actress for a long time.