YOU SAID:
The tub was filled to the brim with bananas.
INTO JAPANESE
浴槽はバナナでいっぱいになりました。
BACK INTO ENGLISH
The bathtub is full of bananas.
INTO JAPANESE
バスタブはバナナでいっぱいです。
BACK INTO ENGLISH
The bathtub is full of bananas.
That didn't even make that much sense in English.