I am due to speak at a meeting at two o'clock.
( I ( ( am ( due ( to ( speak ( at ( ( a meeting ) ( at ( two o'clock ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP am) (ADJP (JJ due) (S (VP (TO to) (VP (VB speak) (PP (IN at) (NP (NP (DT a) (NN meeting)) (PP (IN at) (NP (CD two) (RB o'clock)))))))))) (. .)))
I have been told that I will not be permitted to speak at the meeting.
( I ( ( have ( been ( told ( that ( I ( ( will not ) ( be ( permitted ( to ( speak ( at ( the meeting ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP have) (VP (VBN been) (VP (VBN told) (SBAR (IN that) (S (NP (PRP I)) (VP (MD will) (RB not) (VP (VB be) (VP (VBN permitted) (S (VP (TO to) (VP (VB speak) (PP (IN at) (NP (DT the) (NN meeting)))))))))))))) (. .)))