Ваша сестра, должно быть, много лет

Ваша сестра, должно быть, много лет училась, чтобы стать врачом

Результаты (английский) 1:

Your sister must have a lot of years I studied to become a doctor

Результаты (английский) 2:

Your sister must have been studied for many years to become a doctor

Результаты (английский) 3:

Your sister, there must be, for many years she went to become a doctor