Be forewarned that the download takes quite a while via modem.
( ( Be ( forewarned ( that ( ( the download ) ( takes ( ( quite ( a while ) ) ( via modem ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Be) (VP (VBN forewarned) (SBAR (IN that) (S (NP (DT the) (NN download)) (VP (VBZ takes) (NP (NP (RB quite) (DT a) (NN while)) (PP (IN via) (NP (NN modem))))))))) (. .)))
Downloading this over a modem will take approximately three days.
( ( Downloading ( this ( over ( a modem ) ) ) ) ( ( will ( take ( ( approximately three ) days ) ) ) . ) )
(ROOT (S (S (VP (VBG Downloading) (NP (NP (DT this)) (PP (IN over) (NP (DT a) (NN modem)))))) (VP (MD will) (VP (VB take) (NP (QP (RB approximately) (CD three)) (NNS days)))) (. .)))