YOU SAID:
a potato flew arounf my room before you came in
INTO JAPANESE
あなたが来る前にジャガイモが私の部屋を飛んできた
BACK INTO ENGLISH
Potatoes came flying in my room before you came
INTO JAPANESE
あなたが来る前にジャガイモが私の部屋で飛んできた
BACK INTO ENGLISH
Potatoes flew in my room before you came
INTO JAPANESE
あなたが来る前にジャガイモが私の部屋に飛んできた
BACK INTO ENGLISH
Potatoes flew into my room before you came
INTO JAPANESE
あなたが来る前にジャガイモが私の部屋に飛んできた
BACK INTO ENGLISH
Potatoes flew into my room before you came
That didn't even make that much sense in English.