YOU SAID:
The shoes are in the corner. They are not my partner's, and they are not mine.
INTO JAPANESE
靴は隅にあります。それらは私のパートナーのものではありませんし、私のものでもありません。
BACK INTO ENGLISH
The shoes are in the corner. They don't belong to my partner and they don't belong to me.
INTO JAPANESE
靴は隅にあります。それらは私のパートナーのものでもありませんし、私のものでもありません。
BACK INTO ENGLISH
The shoes are in the corner. They don't belong to my partner, and they don't belong to me.
INTO JAPANESE
靴は隅にあります。それらは私のパートナーのものでもありませんし、私のものでもありません。
BACK INTO ENGLISH
The shoes are in the corner. They don't belong to my partner, and they don't belong to me.
That didn't even make that much sense in English.