YOU SAID:

I never knew you were the someone waiting for me

INTO JAPANESE

あなたが私を待っている人だとは知らなかった

BACK INTO ENGLISH

I didn't know you were the one waiting for me

INTO JAPANESE

あなたが私を待っているとは知りませんでした

BACK INTO ENGLISH

i didn't know you were waiting for me

INTO JAPANESE

あなたが私を待っていたとは知りませんでした

BACK INTO ENGLISH

i didn't know you were waiting for me