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))) (. .)))
I ask you every year for support.
( I ( ( ( ( ask you ) ( every year ) ) ( for support ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP ask) (NP (PRP you)) (NP (DT every) (NN year)) (PP (IN for) (NP (NN support)))) (. .)))