YOU SAID:

We went to the store with my mom, she was so happy!

INTO JAPANESE

私たちは私の母と一緒に店に行きました、彼女はとても幸せでした！

BACK INTO ENGLISH

We went to the store with my mother and she was very happy!

INTO JAPANESE

私たちは私の母と一緒に店に行き、彼女はとても幸せでした！

BACK INTO ENGLISH

We went to the store with my mother and she was very happy!