YOU SAID:
Old Cat is going to have a dream about you.
INTO JAPANESE
老猫はあなたの夢を見るでしょう。
BACK INTO ENGLISH
An old cat will dream of you.
INTO JAPANESE
老猫があなたの夢を見るでしょう。
BACK INTO ENGLISH
An old cat will dream of you.
That didn't even make that much sense in English.