I think she must have enjoyed it because she read them to us too.
( I ( ( think ( she ( must ( have ( ( enjoyed it ) ( because ( she ( ( ( read them ) ( to us ) ) too ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP think) (SBAR (S (NP (PRP she)) (VP (MD must) (VP (VB have) (VP (VBN enjoyed) (NP (PRP it)) (SBAR (IN because) (S (NP (PRP she)) (VP (VBD read) (NP (PRP them)) (PP (TO to) (NP (PRP us))) (ADVP (RB too))))))))))) (. .)))
She was tired of reading to people.
( She ( ( was ( tired ( of ( reading ( to people ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD was) (ADJP (JJ tired) (PP (IN of) (S (VP (VBG reading) (PP (TO to) (NP (NNS people)))))))) (. .)))