YOU SAID:

How many times do we have to teach you this lesson old man?

INTO JAPANESE

このレッスンの老人を何回教えなければなりませんか？

BACK INTO ENGLISH

How many times must I teach the old man in this lesson?

INTO JAPANESE

このレッスンで老人を何回教えなければならないのですか？

BACK INTO ENGLISH

How many times must I teach the old man in this lesson?