forgot to turn off
I forgot to turn off the TV.
Том забыл выключить газ.
Tom forgot to turn off the gas.
He forgot to turn off the microphone.
I forgot to turn off the stove.
Вчера вечером ты забыл выключить радио, да?
You forgot to turn off the radio last night, didn’t you?
Did you remember to turn off the headlights?
I forgot to turn off the iron!