I think that's one I remember, a lot because when I was in 1st grade, I was sick a lot of the year, and I was out of school a lot of the year.
( ( ( ( ( I ( think ( that ( 's ( one ( I ( ( remember , ) ( ( a lot ) ( ( because ( ( when ( I ( was ( in ( 1st grade ) ) ) ) ) ( , ( I ( was sick ) ) ) ) ) ( ( a lot ) ( of ( the year ) ) ) ) ) ) ) ) ) ) ) ) , ) and ) ( I ( ( was ( out ( of school ) ) ) ( ( a lot ) ( of ( the year ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP I)) (VP (VBP think) (SBAR (IN that) (S (VP (VBZ 's) (NP (NP (CD one)) (SBAR (S (NP (PRP I)) (VP (VP (VBP remember)) (, ,) (NP (NP (DT a) (NN lot)) (UCP (SBAR (IN because) (S (SBAR (WHADVP (WRB when)) (S (NP (PRP I)) (VP (VBD was) (PP (IN in) (NP (JJ 1st) (NN grade)))))) (, ,) (NP (PRP I)) (VP (VBD was) (ADJP (JJ sick))))) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (DT the) (NN year))))))))))))))) (, ,) (CC and) (S (NP (PRP I)) (VP (VBD was) (ADVP (IN out) (PP (IN of) (NP (NN school)))) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (DT the) (NN year)))))) (. .)))
I was frequently ill when I was in the 1st grade. 
( I ( ( ( ( was frequently ) ill ) ( when ( I ( was ( in ( the ( 1st grade ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD was) (ADVP (RB frequently)) (ADJP (JJ ill)) (SBAR (WHADVP (WRB when)) (S (NP (PRP I)) (VP (VBD was) (PP (IN in) (NP (DT the) (JJ 1st) (NN grade))))))) (. .)))