I have a previous engagement at ten. ✬

I'm sorry I have a previous appointment. ✬

I'm sorry, but I have a previous appointment for tomorrow. ✬

He said that he had met her on the previous day. ✬

I had lost a camera the previous day. ✬

Tom has been hunting for a job since he lost his previous job last year. ✬

Tom couldn't attend the meeting because of a previous engagement. ✬

Tom connected the TV to the antenna that the previous owner of his house had mounted on the roof. ✬

This newspaper article is more interesting than the previous one. ✬

I've got a previous engagement. ✬