YOU SAID:
Your mother was with me last night.
INTO JAPANESE
昨日の夜、あなたのお母さんは私と一緒にいました。
BACK INTO ENGLISH
Your mother was with me last night.
INTO JAPANESE
昨日の夜、あなたのお母さんは私と一緒にいました。
BACK INTO ENGLISH
Your mother was with me last night.
That didn't even make that much sense in English.