YOU SAID:
Why does my head hurt
INTO JAPANESE
なぜ私の頭が痛い
BACK INTO ENGLISH
Why is my head hurts
INTO JAPANESE
なんで頭が痛い
BACK INTO ENGLISH
I have a head ache
INTO JAPANESE
頭が痛い私
BACK INTO ENGLISH
My head hurts
INTO JAPANESE
頭が痛い
BACK INTO ENGLISH
head hurts
INTO JAPANESE
頭が痛い
BACK INTO ENGLISH
head hurts
That didn't even make that much sense in English.