As I recall, I've never asked you for a contribution...until now.
( ( ( ( ( As ( I recall ) ) ( , ( I ( ( 've never ) ( ( asked you ) ( for ( a contribution ) ) ) ) ) ) ) ... ) ( until now ) ) . )
(ROOT (S (S (SBAR (IN As) (S (NP (PRP I)) (VP (VBP recall)))) (, ,) (NP (PRP I)) (VP (VBP 've) (ADVP (RB never)) (VP (VBN asked) (NP (PRP you)) (PP (IN for) (NP (DT a) (NN contribution)))))) (: ...) (FRAG (X (IN until)) (NP (RB now))) (. .)))
The need is greater than ever for your support.
( ( The need ) ( ( ( is ( greater ( than ever ) ) ) ( for ( your support ) ) ) . ) )
(ROOT (S (NP (DT The) (NN need)) (VP (VBZ is) (ADJP (ADJP (JJR greater)) (PP (IN than) (ADVP (RB ever)))) (PP (IN for) (NP (PRP$ your) (NN support)))) (. .)))