YOU SAID:

If you would excuse me, I need to go find where my brother got off to

INTO JAPANESE

あなたが私を失礼するならば、私は私の兄弟が降りたところを見つけに行く必要があります

BACK INTO ENGLISH

If you excuse me, I need to go find the place where my brother got down

INTO JAPANESE

すみません、私の兄が降りてきた場所を探しに行かなければなりません。

BACK INTO ENGLISH

I'm sorry, I have to go find the place where my brother has come down.

INTO JAPANESE

すみません、私の兄が降りてきた場所を探しに行かなければなりません。

BACK INTO ENGLISH

I'm sorry, I have to go find the place where my brother has come down.