Pasado participio.

Ejemplo:How many pills have you taken?.
1-.Has Ali visited the doctor yet?.
2-.Dr. Smith has old friend. I have know her for ten years.
3-.She's an old friend; I have know here for fifteen years.
4-.We have been sick all week.
5-.Has Gloria waited long for the doctor to arrive?.
6-.Peter has caught a  cold since december.
7-.Have you seen your sister in the hospital?.
8-.Has she eaten any food today?.
9-.I'm sorry, but the doctor has left the hospital.
10-.You have grown three inches this year.