YOU SAID:
This person should not have a driver's license.
INTO JAPANESE
この人は運転免許証を持っていてはいけません。
BACK INTO ENGLISH
This person must not have a driver's license.
INTO JAPANESE
この人は運転免許証を持っていてはなりません。
BACK INTO ENGLISH
This person must not have a driver's license.
You've done this before, haven't you.