YOU SAID:
i see you have a pig it must be a donkey
INTO JAPANESE
私はあなたがロバになる必要があります豚を参照してください
BACK INTO ENGLISH
I see pigs you must become a donkey
INTO JAPANESE
私はあなたがロバにならなければならない豚を見る
BACK INTO ENGLISH
I see pigs you have to become a donkey
INTO JAPANESE
私はあなたがロバにならなければならない豚を見ます
BACK INTO ENGLISH
I see pigs you have to become a donkey
That didn't even make that much sense in English.