YOU SAID:
i have ten goats in my backyard
INTO JAPANESE
裏庭に10頭のヤギがいます
BACK INTO ENGLISH
There are 10 goats in the backyard
INTO JAPANESE
裏庭には10頭のヤギがいます
BACK INTO ENGLISH
There are 10 goats in the backyard
That didn't even make that much sense in English.