YOU SAID:

My head hurts so I can't work

INTO JAPANESE

頭が痛いので仕事できません。

BACK INTO ENGLISH

Not work because my head hurts.

INTO JAPANESE

頭が痛いので働かない。

BACK INTO ENGLISH

Does not work because my head hurts.

INTO JAPANESE

頭が痛いので、働きません。

BACK INTO ENGLISH

My head hurts, so does not work.

INTO JAPANESE

頭が痛い、動作しませんので。

BACK INTO ENGLISH

My head hurts, because it does not work.

INTO JAPANESE

頭痛い、それは動作しません。

BACK INTO ENGLISH

My head hurts, it does not work.

INTO JAPANESE

頭が痛い、それは動作しません。

BACK INTO ENGLISH

My head hurts, it does not work.