YOU SAID:
I found a dog that was a big house
INTO JAPANESE
大きなお家の犬を見つけました
BACK INTO ENGLISH
I found a big dog
INTO JAPANESE
大きな犬を見つけました
BACK INTO ENGLISH
found a big dog
INTO JAPANESE
大きな犬を見つけた
BACK INTO ENGLISH
found a big dog
That didn't even make that much sense in English.