YOU SAID:
sorry you have to go to a doctor
INTO JAPANESE
ごめんなさい、医者に行かなければなりません
BACK INTO ENGLISH
Sorry, I have to go to the doctor.
INTO JAPANESE
ごめんなさい、医者に行かなければなりません。
BACK INTO ENGLISH
Sorry, I have to go to the doctor.
That didn't even make that much sense in English.