YOU SAID:

that is not the spoon of my uncle

INTO JAPANESE

それは私の叔父のスプーンではありません

BACK INTO ENGLISH

That's not my uncle's spoon

INTO JAPANESE

それは叔父のスプーンではありません

BACK INTO ENGLISH

That's not your uncle's spoon

INTO JAPANESE

それはあなたの叔父のスプーンではありません

BACK INTO ENGLISH

That's not your uncle's spoon