YOU SAID:

got the horses in the back

INTO JAPANESE

後ろに馬が乗った

BACK INTO ENGLISH

A horse got on behind.

INTO JAPANESE

馬が後ろについた。

BACK INTO ENGLISH

A horse arrived behind.

INTO JAPANESE

馬が後ろに着いた。

BACK INTO ENGLISH

The horse arrived at the back.

INTO JAPANESE

馬が後ろに着いた。

BACK INTO ENGLISH

The horse arrived at the back.