YOU SAID:

We're going to my mother's house for dinner.

INTO JAPANESE

私たちは夕食に母の家に行く予定です。

BACK INTO ENGLISH

We will go to my mother's house for dinner.

INTO JAPANESE

夕食に母の家に行きます。

BACK INTO ENGLISH

I go to my mother's house for dinner.

INTO JAPANESE

私は夕食に母の家に行く。

BACK INTO ENGLISH

I go to my mother's house for dinner.