I chose for my sonnet, Psalm 5. I was struck by the beauty and message of the original psalm, which is this:
I found with adapting it to the sonnet format that I had to pay a lot of attention to the connections within the scripture--which verses connected with each other most. I had to try to connect these ideas and then condense them in order to try to cover all of the aspects of the scripture while trying to retain some of the beauty of it. Having finished my own attempt at adaptive sonnet-writing, I can definitely say that Milton was clearly a genius to have done this sort of thing as successfully and beautifully as he did.