YOU SAID:
Why do my boyfriend is so dumb?
INTO JAPANESE
なぜ私のボーイフレンドはそんなに愚かですか?
BACK INTO ENGLISH
Why is my boyfriend so stupid?
INTO JAPANESE
なぜ私のボーイフレンドはそんなに愚かなのですか?
BACK INTO ENGLISH
Why is my boyfriend so stupid?
That didn't even make that much sense in English.