YOU SAID:

there was since middle school a girl

INTO JAPANESE

中学生の頃から女の子がいた

BACK INTO ENGLISH

I've had girls since I was a junior.

INTO JAPANESE

中学生の頃から女の子がいた。

BACK INTO ENGLISH

There has been a girl since she was in junior high school.

INTO JAPANESE

中学生の頃から女の子がいる。

BACK INTO ENGLISH

I have had a girl since I was in junior high school.

INTO JAPANESE

中学生の頃から女の子がいた。

BACK INTO ENGLISH

There has been a girl since she was in junior high school.

INTO JAPANESE

中学生の頃から女の子がいる。

BACK INTO ENGLISH

I have had a girl since I was in junior high school.