After the "Domine, exaudi orationem meam" the celebrant rises and sings the prescribed orations.
In a little work on my shelf, with the following title, "Petri Francii specimen eloquentiæ exterioris ad orationem M.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "orationem" in a variety of sentences. We hope that you will now be able to make sentences using this word.