they just didn't watch him on TV
( they ( just ( ( did n't ) ( ( watch him ) ( on TV ) ) ) ) )
(ROOT (FRAG (S (NP (PRP they)) (ADVP (RB just)) (VP (VBD did) (RB n't) (VP (VB watch) (NP (PRP him)) (PP (IN on) (NP (NN TV))))))))
They watched him on TV all the time. 
( They ( ( ( ( watched him ) ( on TV ) ) ( all ( the time ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBD watched) (NP (PRP him)) (PP (IN on) (NP (NN TV))) (NP (PDT all) (DT the) (NN time))) (. .)))