YOU SAID:

My friend is in seventh grade and is not a virgin.

INTO JAPANESE

私の友人は 7 年生、処女ではないです。

BACK INTO ENGLISH

Is not in 7th grade, Virgin is a friend of mine.

INTO JAPANESE

7 年生ではなくバージンは私の友人。

BACK INTO ENGLISH

Not in 7th grade my friend is a Virgin.

INTO JAPANESE

7 年生ではなく私の友人は処女です。

BACK INTO ENGLISH

Not in 7th grade my friend is a Virgin.