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))))) (. .)))
There was nothing that could be done to make her beautiful, not even darker eyes.
( There ( ( was ( nothing ( that ( could ( be ( done ( to ( make ( ( ( ( ( her beautiful ) , ) not ) even ) ( darker eyes ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD was) (NP (NP (NN nothing)) (SBAR (WHNP (WDT that)) (S (VP (MD could) (VP (VB be) (VP (VBN done) (S (VP (TO to) (VP (VB make) (NP (NP (PRP$ her) (JJ beautiful)) (, ,) (RB not) (RB even) (NP (JJR darker) (NNS eyes))))))))))))) (. .)))