YOU SAID:

I went to the store and I bought a large bag of coffee beans.

INTO JAPANESE

私は店に行き、コーヒー豆の大きな袋を買いました。

BACK INTO ENGLISH

I went to the store and bought a big bag of coffee beans.

INTO JAPANESE

私は店に行って、コーヒー豆の大きな袋を買いました。

BACK INTO ENGLISH

I went to the store and bought a big bag of coffee beans.