YOU SAID:

I have a goat in my backyard

INTO JAPANESE

私は私の裏庭でヤギがあります。

BACK INTO ENGLISH

I have a goat in my backyard.

INTO JAPANESE

私の裏庭にヤギがあります。

BACK INTO ENGLISH

My backyard has a goat.

INTO JAPANESE

私の裏庭は、ヤギです。

BACK INTO ENGLISH

My backyard is a goat.

INTO JAPANESE

私の裏庭はヤギです。

BACK INTO ENGLISH

My backyard is a goat.