YOU SAID:
i ought to know who i am
INTO JAPANESE
私は自分が誰であるかを知るべきです
BACK INTO ENGLISH
i should know who i am
INTO JAPANESE
私が誰であるかを知る必要があります
BACK INTO ENGLISH
need to know who i am
INTO JAPANESE
私が誰であるかを知る必要があります
BACK INTO ENGLISH
need to know who i am
You've done this before, haven't you.