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)))) (. !)))
If you desire to continue, that's okay, but it takes a lot of time.
( ( ( ( ( ( If ( you ( desire ( to continue ) ) ) ) ( , ( that ( 's okay ) ) ) ) , ) but ) ( it ( takes ( ( a lot ) ( of time ) ) ) ) ) . )
(ROOT (S (S (SBAR (IN If) (S (NP (PRP you)) (VP (VBP desire) (S (VP (TO to) (VP (VB continue))))))) (, ,) (NP (DT that)) (VP (VBZ 's) (ADJP (JJ okay)))) (, ,) (CC but) (S (NP (PRP it)) (VP (VBZ takes) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN time)))))) (. .)))