Yes that is the way the verb "to choose" was conjugated by the founders. I can't wait for the debate on original intent to hit America's grammar books!The Times, Places and Manner of holding Elections for Senators and Representatives, shall be prescribed in each State by the Legislature thereof; but the Congress may at any time by Law make or alter such Regulations, except as to the Places of chusing Senators.
The Congress shall assemble at least once in every Year, and such Meeting shall be on the first Monday in December, unless they shall by Law appoint a different Day.
The underlined portion of the original language was redacted when the Twentieth Amendment to the Constitution was ratified in 1933. The pertinent part of that Amendment reads: "The Congress shall assemble at least once in every year, and such meeting shall begin at noon on the 3d day of January, unless they shall by law appoint a different day."