YOU SAID:
I have my christmas decorations up already!
INTO JAPANESE
私はすでにクリスマスの飾り付けをしています!
BACK INTO ENGLISH
I already have Christmas decorations!
INTO JAPANESE
私はすでにクリスマスの飾りを持っています!
BACK INTO ENGLISH
I already have Christmas decorations!
That didn't even make that much sense in English.