Are you reading things?
( ( ( Are you ) ( reading things ) ) ? )
(ROOT (SQ (VBP Are) (NP (PRP you)) (VP (VBG reading) (NP (NNS things))) (. ?)))
You don't know how to read.
( You ( ( ( do n't ) ( know ( how ( to read ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (VBP do) (RB n't) (VP (VB know) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB read))))))) (. .)))