YOU SAID:
Today i'm gona buy a new skateboard
INTO JAPANESE
今日私はゴナ購入する新しいスケート ボード
BACK INTO ENGLISH
Today I was going to buy a new skateboard
INTO JAPANESE
今日私は新しいスケート ボードを購入するつもりだった
BACK INTO ENGLISH
Today I was going to buy a new skateboard
You've done this before, haven't you.