YOU SAID:

I should work instead

INTO JAPANESE

私が代わりに動作するはず

BACK INTO ENGLISH

I should work on behalf

INTO JAPANESE

私に代わって動作するはず

BACK INTO ENGLISH

Should work on my behalf

INTO JAPANESE

私の代わりに動作するはずです。

BACK INTO ENGLISH

Should work on my behalf.

INTO JAPANESE

私の代わりに動作するはずです。

BACK INTO ENGLISH

Should work on my behalf.