Collocations for undone - adj.
1. not fastened or tied
VERBS
be | come
My button''s come undone again.
My button''s come undone again.
get sth
I can''t get this knot undone.
I can''t get this knot undone.
2. not done
VERBS
be | remain | leave sth
We left the washing-up undone and went out for the day.
We left the washing-up undone and went out for the day.