YOU SAID:

I went outside with my dog on a long leash

INTO JAPANESE

私は長いリードで犬と一緒に外に出た

BACK INTO ENGLISH

I went out with the dog with a long lead

INTO JAPANESE

私は長いリードで犬と一緒に出かけた

BACK INTO ENGLISH

I went out with the dog with a long lead.

INTO JAPANESE

私は長いリードで犬と一緒に出かけた。

BACK INTO ENGLISH

I went out with the dog with a long lead.