YOU SAID:

When I turn out the light

INTO JAPANESE

光を電源を入れたとき

BACK INTO ENGLISH

When you turn on the light

INTO JAPANESE

あなたがライトをオンにします。

BACK INTO ENGLISH

You turn the light on.

INTO JAPANESE

ライトをオンにするとします。

BACK INTO ENGLISH

To turn on the lights.

INTO JAPANESE

明かりをつけてください

BACK INTO ENGLISH

Turn on the lights.

INTO JAPANESE

明かりをつけてください

BACK INTO ENGLISH

Turn on the lights.