YOU SAID:
I keep my phone on airplane mode
INTO JAPANESE
携帯電話を機内モードにします
BACK INTO ENGLISH
Put mobile phone in airplane mode
INTO JAPANESE
携帯電話を機内モードにする
BACK INTO ENGLISH
Placing the mobile phone in airplane mode
INTO JAPANESE
携帯電話を機内モードにする
BACK INTO ENGLISH
Placing the mobile phone in airplane mode
That didn't even make that much sense in English.