YOU SAID:

i havent ever been to japan

INTO JAPANESE

私は今まで日本にされていません。

BACK INTO ENGLISH

I not been in Japan ever.

INTO JAPANESE

私は今まで日本でされて。

BACK INTO ENGLISH

I been in Japan until now.

INTO JAPANESE

私は今まで日本にいます。

BACK INTO ENGLISH

I am in Japan until now.

INTO JAPANESE

私は今まで日本にいます。

BACK INTO ENGLISH

I am in Japan until now.