With dark eyes and eyelashes she would have been a beauty. 
( ( With ( dark ( ( eyes and ) eyelashes ) ) ) ( she ( ( would ( have ( been ( a beauty ) ) ) ) . ) ) )
(ROOT (S (PP (IN With) (NP (JJ dark) (NNS eyes) (CC and) (NNS eyelashes))) (NP (PRP she)) (VP (MD would) (VP (VB have) (VP (VBN been) (NP (DT a) (NN beauty))))) (. .)))
She would have been gorgeous if she'd not had such light colored eyes.
( She ( ( would ( have ( ( been gorgeous ) ( if ( she ( ( 'd not ) ( had ( such ( light ( colored eyes ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (MD would) (VP (VB have) (VP (VBN been) (ADJP (JJ gorgeous)) (SBAR (IN if) (S (NP (PRP she)) (VP (VBD 'd) (RB not) (VP (VBN had) (NP (JJ such) (JJ light) (JJ colored) (NNS eyes))))))))) (. .)))