I, I do think they read to them when they are little.
( I ( ( , ( I do ) ) ( ( think ( they ( ( read ( to them ) ) ( when ( they ( are little ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP I)) (PRN (, ,) (S (NP (PRP I)) (VP (VBP do)))) (VP (VBP think) (SBAR (S (NP (PRP they)) (VP (VBD read) (PP (TO to) (NP (PRP them))) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VBP are) (ADJP (JJ little))))))))) (. .)))
They are certain they were read stories when they were little.
( They ( ( are ( certain ( they ( were ( ( read stories ) ( when ( they ( were little ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP are) (ADJP (JJ certain) (SBAR (S (NP (PRP they)) (VP (VBD were) (VP (VBN read) (NP (NNS stories)) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VBD were) (ADJP (JJ little))))))))))) (. .)))