YOU SAID:
grammarly your mum so fat
INTO JAPANESE
文法的にあなたのお母さんはとても太っている
BACK INTO ENGLISH
Grammatically your mom is very fat
INTO JAPANESE
文法的にあなたのお母さんはとても太っています
BACK INTO ENGLISH
Grammatically your mom is very fat
You've done this before, haven't you.