Several are noted 
( Several ( are noted ) )
(ROOT (S (NP (JJ Several)) (VP (VBP are) (VP (VBN noted)))))
We have made note of some.
( We ( ( have ( made ( note ( of some ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP have) (VP (VBN made) (NP (NP (NN note)) (PP (IN of) (NP (DT some)))))) (. .)))