YOU SAID:

Ur mom is so fat that when she sat on her bed it got crushed so she had to buy a new one

INTO JAPANESE

お母さんは太りすぎてベッドに座ったら潰れてしまったので、新しいベッドを買わなければなりませんでした

BACK INTO ENGLISH

Mom was so fat that she collapsed when she sat on it, so she had to buy a new bed.

INTO JAPANESE

お母さんは、座ると倒れてしまうほど太っていたので、新しいベッドを買わなければなりませんでした。

BACK INTO ENGLISH

Mom had to buy a new bed because she was so fat that she fell over when she sat down.

INTO JAPANESE

お母さんはとても太っていて、座ると倒れてしまったので、新しいベッドを買わなければなりませんでした。

BACK INTO ENGLISH

Mom was so fat that she fell over when she sat down, so we had to buy her a new bed.

INTO JAPANESE

お母さんは座ると倒れてしまうほど太っていたので、新しいベッドを買わなければなりませんでした。

BACK INTO ENGLISH

Mom was so fat that she fell over when she sat down, so we had to buy her a new bed.