YOU SAID:
I went to the book store and then I bought a sandwich
INTO JAPANESE
本屋に行ってサンドイッチを買いました
BACK INTO ENGLISH
I went to the bookstore and bought a sandwich.
INTO JAPANESE
私は本屋に行ってサンドイッチを買いました。
BACK INTO ENGLISH
I went to the bookstore and bought a sandwich.
That didn't even make that much sense in English.