YOU SAID:
Don’t forget to turn the lights off before you leave
INTO JAPANESE
出発する前にライトをオフにすることを忘れないでください
BACK INTO ENGLISH
Don't forget to turn off the lights before you leave
INTO JAPANESE
出発する前に電気を消すことを忘れないでください
BACK INTO ENGLISH
Don't forget to turn off the lights before you leave
You've done this before, haven't you.