YOU SAID:

your mom was in my bed last night

INTO JAPANESE

あなたのママは昨夜私のベッドにいた

BACK INTO ENGLISH

Your mom was in my bed last night.

INTO JAPANESE

あなたのお母さんは昨夜私のベッドにいた

BACK INTO ENGLISH

Your mother was in my bed last night.

INTO JAPANESE

あなたのお母さんは昨夜私のベッドにいました。

BACK INTO ENGLISH

Your mother was in my bed last night.