YOU SAID:

I have been studying Japanese for 9 months

INTO JAPANESE

9 ヶ月間日本語を勉強しています。

BACK INTO ENGLISH

Nine months studying Japan language.

INTO JAPANESE

日本語を勉強して 9 ヶ月。

BACK INTO ENGLISH

Studying Japan, 9 months.

INTO JAPANESE

日本、9 ヶ月を勉強しています。

BACK INTO ENGLISH

I am studying Japan, 9 months.

INTO JAPANESE

私は9ヶ月間日本を勉強しています。

BACK INTO ENGLISH

I am studying Japan for 9 months.

INTO JAPANESE

私は9ヶ月間日本を勉強しています。

BACK INTO ENGLISH

I am studying Japan for 9 months.