YOU SAID:

help, my pants fell off.

INTO JAPANESE

助けに入って、ズボンが落ちた。

BACK INTO ENGLISH

I came in to help, and my pants fell.

INTO JAPANESE

私は助けに来て、私のズボンが落ちました。

BACK INTO ENGLISH

I came to help and my pants fell.

INTO JAPANESE

私は助けに来て、私のズボンが落ちた。

BACK INTO ENGLISH

I came to help and my pants fell.