YOU SAID:

i don't know what i am doing

INTO JAPANESE

私は私がやっているかわからない

BACK INTO ENGLISH

Don't know what I'm doing I

INTO JAPANESE

私がやって私は知らない

BACK INTO ENGLISH

I do not know, I do

INTO JAPANESE

私はわからない、私は行う

BACK INTO ENGLISH

I do not know, I do