YOU SAID:

hello, i did not know that you gonna be here, how are you?

INTO JAPANESE

こんにちは、私はあなたがここにいるつもりであることを知りませんでした、お元気ですか？

BACK INTO ENGLISH

Hi, I didn't know that you were going to be here, how are you?

INTO JAPANESE

こんにちは、私はあなたがここにいるつもりだったことを知りませんでした、お元気ですか？

BACK INTO ENGLISH

Hi, I did not know that you were going to be here, how are you?

INTO JAPANESE

こんにちは、私はあなたがここにいるつもりだったことを知りませんでした、お元気ですか？

BACK INTO ENGLISH

Hi, I did not know that you were going to be here, how are you?