YOU SAID:

so when i went to the party i learned that my husband of ten years has been cheating on me with my old gym teacher Miss snot

INTO JAPANESE

だからパーティーに行った時、10年前の夫が昔の体育の先生のミス・スノーと浮気をしているのを知りました

BACK INTO ENGLISH

So when I went to the party, I found out that my husband 10 years ago was having an affair with an old PE teacher, Miss Snow.

INTO JAPANESE

それで、パーティーに行ったとき、10年前の私の夫が古い体育教師のミス・スノーと浮気をしていることに気づきました。

BACK INTO ENGLISH

So when I went to the party, I noticed that my husband 10 years ago was having an affair with an old PE teacher, Miss Snow.

INTO JAPANESE

それで、パーティーに行ったとき、10年前に私の夫が古い体育教師のミス・スノーと浮気をしていることに気づきました。

BACK INTO ENGLISH

So when I went to the party, I noticed that my husband was having an affair with an old PE teacher, Miss Snow, 10 years ago.

INTO JAPANESE

それで、パーティーに行ったとき、10年前に夫が元体育教師のミス・スノーと浮気をしていることに気づきました。

BACK INTO ENGLISH

So when I went to the party, I noticed that my husband was having an affair with former PE teacher Miss Snow 10 years ago.

INTO JAPANESE

それで、パーティーに行ったとき、10年前に夫が元体育教師のミス・スノーと浮気をしていることに気づきました。

BACK INTO ENGLISH

So when I went to the party, I noticed that my husband was having an affair with former PE teacher Miss Snow 10 years ago.