we wouldn't be expected to cast a ballet on the subject
( we ( ( would n't ) ( be ( expected ( to ( ( cast ( a ballet ) ) ( on ( the subject ) ) ) ) ) ) ) )
(ROOT (S (NP (PRP we)) (VP (MD would) (RB n't) (VP (VB be) (VP (VBN expected) (S (VP (TO to) (VP (VB cast) (NP (DT a) (JJ ballet)) (PP (IN on) (NP (DT the) (NN subject)))))))))))
We have been asked to vote on the subject.
( We ( ( have ( been ( asked ( to ( vote ( on ( the subject ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP have) (VP (VBN been) (VP (VBN asked) (S (VP (TO to) (VP (VB vote) (PP (IN on) (NP (DT the) (NN subject))))))))) (. .)))