Two forms of the second amendment of the US Constitution
As passed by Congress: A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.
The underlined expression is a nominativus pendens.
As ratified by the States: A well regulated militia being necessary to the security of a free State, the right of the People to keep and bear arms shall not be infringed.
The underlined expression is a nominative absolute