Now I am writing to ask if you would continue your support with a further donation for 1990.
( Now ( I ( ( am ( writing ( to ( ask ( if ( you ( would ( ( continue ( your support ) ) ( with ( ( a ( further donation ) ) ( for 1990 ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Now)) (NP (PRP I)) (VP (VBP am) (VP (VBG writing) (S (VP (TO to) (VP (VB ask) (SBAR (IN if) (S (NP (PRP you)) (VP (MD would) (VP (VB continue) (NP (PRP$ your) (NN support)) (PP (IN with) (NP (NP (DT a) (JJ further) (NN donation)) (PP (IN for) (NP (CD 1990)))))))))))))) (. .)))
I am writing you to see if your mom is dead yet or if she's still hanging in there. 
( I ( ( am ( writing ( you ( to ( see ( ( ( if ( ( your mom ) ( ( is dead ) yet ) ) ) or ) ( if ( she ( ( 's still ) ( hanging ( in there ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP am) (VP (VBG writing) (S (NP (PRP you)) (VP (TO to) (VP (VB see) (SBAR (SBAR (IN if) (S (NP (PRP$ your) (NN mom)) (VP (VBZ is) (ADJP (JJ dead)) (ADVP (RB yet))))) (CC or) (SBAR (IN if) (S (NP (PRP she)) (VP (VBZ 's) (ADVP (RB still)) (VP (VBG hanging) (PP (IN in) (NP (RB there))))))))))))) (. .)))