has been quilting
Presente perfecto progresivo para el sujeto he/she del verbo quilt.

quilt

She has been quilting ever since.
Desde entonces nunca ha dejado de hacer acolchados.
Ricky has been quilting since 1991 and has won numerous international prizes for his creations.
Ricky Tims acolcha desde 1991: ha recibido numerosos premios internacionales por sus diseños.
Palabra del día
el anís