YOU SAID:
i put the chapstick on my duck.
INTO JAPANESE
私はアヒルに箸をつけました。
BACK INTO ENGLISH
I put chopsticks on the duck.
INTO JAPANESE
アヒルに箸を置きました。
BACK INTO ENGLISH
I put my chopsticks on the duck.
INTO JAPANESE
私はアヒルに箸を置きました。
BACK INTO ENGLISH
I put my chopsticks on the duck.
That didn't even make that much sense in English.