YOU SAID:
today i went to the store and bought some cookies
INTO JAPANESE
今日はお店に行ってクッキーを買いました
BACK INTO ENGLISH
I went to the store today and bought a cookie
INTO JAPANESE
今日はお店に行ってクッキーを買いました
BACK INTO ENGLISH
I went to the store today and bought a cookie
You've done this before, haven't you.