YOU SAID:

No I didn't know you were supposed to be here for a while

INTO JAPANESE

いいえ私はあなたがしばらくここにいるはずだったことを知らなかった

BACK INTO ENGLISH

No I did not know that you were supposed to be here for a while

INTO JAPANESE

いいえ私はあなたがしばらくここにいるはずだったことを知りませんでした

BACK INTO ENGLISH

No I did not know that you were supposed to be here for a while