YOU SAID:
I went to the bookstore to eat some candy
INTO JAPANESE
お菓子を食べに本屋に行った
BACK INTO ENGLISH
I went to a bookstore to eat sweets
INTO JAPANESE
お菓子を食べに本屋に行ってきました
BACK INTO ENGLISH
I went to a bookstore to eat sweets
Come on, you can do better than that.