YOU SAID:

don't forget to turn out the lights

INTO JAPANESE

明かり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

INTO JAPANESE

ライト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 light

INTO JAPANESE

電気を消すのを忘れないで。

BACK INTO ENGLISH

Don't forget to turn the light off.

INTO JAPANESE

電気を消すのを忘れないで。

BACK INTO ENGLISH

Don't forget to turn the light off.