YOU SAID:

were backyard friends, the backyardigans

INTO JAPANESE

裏庭の友人、裏庭の人だった

BACK INTO ENGLISH

I was a backyard friend, a backyard person

INTO JAPANESE

私は裏庭の友人、裏庭の人だった

BACK INTO ENGLISH

I was a friend in the backyard, a person in the backyard.

INTO JAPANESE

私は裏庭の友人、裏庭の人でした。

BACK INTO ENGLISH

I was a friend in the backyard, a person in the backyard.