YOU SAID:
I don't know. His shoes are here.
INTO JAPANESE
知りません。彼の靴はここにいます。
BACK INTO ENGLISH
I do not know. His shoes are here.
INTO JAPANESE
知りません。彼の靴はここにいます。
BACK INTO ENGLISH
I do not know. His shoes are here.
That didn't even make that much sense in English.