never thought i 'd say this 
(ROOT (S (ADVP (RB never)) (VP (VBD thought) (SBAR (S (NP (PRP i)) (VP (MD 'd) (VP (VB say) (NP (DT this)))))))))
(ROOT (S (ADVP (RB )) (VP (VBD ) (SBAR (S (NP (PRP )) (VP (MD ) (VP (VB ) (NP (DT )))))))))