YOU SAID:
he is cleaning his automobile
INTO JAPANESE
彼は自分の自動車を掃除しています
BACK INTO ENGLISH
He is cleaning his car
INTO JAPANESE
彼は車を掃除している
BACK INTO ENGLISH
He is cleaning the car
INTO JAPANESE
彼は車を掃除している
BACK INTO ENGLISH
He is cleaning the car
You should move to Japan!