YOU SAID:

I saw a kid carrying his bong to his car.

INTO JAPANESE

私は子供が自分の車に彼のボンを運んでいるのを見た。

BACK INTO ENGLISH

I saw a child carrying his Bonn in his car.

INTO JAPANESE

私は子供が彼の車に彼のボンを乗せているのを見た。

BACK INTO ENGLISH

I saw a child carrying his Bonn in his car.