YOU SAID:

olivia had there dogs out

INTO JAPANESE

オリビアは犬を外に出していました

BACK INTO ENGLISH

Olivia was letting the dog out.

INTO JAPANESE

オリビアは犬を外に出していました。

BACK INTO ENGLISH

Olivia was letting her dog outside.

INTO JAPANESE

オリビアは犬を外に放していた。

BACK INTO ENGLISH

Olivia was letting the dog outside.

INTO JAPANESE

オリビアは犬を外に放していた。

BACK INTO ENGLISH

Olivia was letting the dog outside.