begun to split up so that it can do even more damage 
(ROOT (S (VP (VBN begun) (S (VP (TO to) (VP (VB split) (PRT (RP up)) (SBAR (IN so) (IN that) (S (NP (PRP it)) (VP (MD can) (VP (VB do) (NP (ADVP (RB even) (JJR more)) (NN damage))))))))))))
(ROOT (S (VP (VBN ) (S (VP (TO ) (VP (VB ) (PRT (RP )) (SBAR (IN ) (IN ) (S (NP (PRP )) (VP (MD ) (VP (VB ) (NP (ADVP (RB ) (JJR )) (NN ))))))))))))