YOU SAID:

Oh I am sorry I was decorating out Christmas tree on my way to the data

INTO JAPANESE

ああ、データに行く途中でクリスマスツリーを飾り付けてしまった

BACK INTO ENGLISH

Oh, I decorated a Christmas tree on the way to the data

INTO JAPANESE

ああ、データに行く途中でクリスマスツリーを飾りました

BACK INTO ENGLISH

Oh, I decorated a Christmas tree on the way to the data