“…I am spoil'd, 'undone' by villains!” <aq>Shakespeare, 'Othello' (1603–05)</aq>
My shoelace is 'undone'. = My shoelace has 'come undone'.
There were still some tasks 'left undone'.
(..) by another road. Follow the river. Look to the black ships. Understand this: Things are now in motion that cannot be undone. I ride for Minas Tirith... ...and I won't be going alone. Of all the inquisitive Hobbits, Peregrin Took, you are the worst. Hurry! Hurry! (..)2003 The Lord of the Rings: The Return of the King