If you want to keep on, that's fine, but, so much time!
( ( If ( you ( want ( to ( keep on ) ) ) ) ) ( , ( that ( ( ( ( ( ( 's fine ) , ) but ) , ) ( ( so much ) time ) ) ! ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP you)) (VP (VBP want) (S (VP (TO to) (VP (VB keep) (PRT (RP on)))))))) (, ,) (NP (DT that)) (VP (VP (VBZ 's) (ADJP (JJ fine))) (, ,) (CC but) (, ,) (S (ADJP (RB so) (JJ much)) (NP (NN time)))) (. !)))
It took a lot of time because he was a slow person.
( It ( ( ( took ( ( a lot ) ( of time ) ) ) ( because ( he ( was ( a ( slow person ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBD took) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN time)))) (SBAR (IN because) (S (NP (PRP he)) (VP (VBD was) (NP (DT a) (JJ slow) (NN person)))))) (. .)))