So, then, I grabbed him, and when I grabbed him, I put him under the bed, and I went outside.
( So ( , ( ( ( ( ( then ( , ( I ( grabbed him ) ) ) ) , ) and ) ( ( ( ( ( when ( I ( grabbed him ) ) ) ( , ( I ( ( put him ) ( under ( the bed ) ) ) ) ) ) , ) and ) ( I ( went outside ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB So)) (, ,) (S (ADVP (RB then)) (, ,) (NP (PRP I)) (VP (VBD grabbed) (NP (PRP him)))) (, ,) (CC and) (S (S (SBAR (WHADVP (WRB when)) (S (NP (PRP I)) (VP (VBD grabbed) (NP (PRP him))))) (, ,) (NP (PRP I)) (VP (VBD put) (NP (PRP him)) (PP (IN under) (NP (DT the) (NN bed))))) (, ,) (CC and) (S (NP (PRP I)) (VP (VBD went) (ADVP (RB outside))))) (. .)))
I wanted to make sure he was safe before I went outside.
( I ( ( wanted ( to ( make ( sure ( he ( ( was safe ) ( before ( I ( went outside ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD wanted) (S (VP (TO to) (VP (VB make) (ADJP (JJ sure) (SBAR (S (NP (PRP he)) (VP (VBD was) (ADJP (JJ safe)) (SBAR (IN before) (S (NP (PRP I)) (VP (VBD went) (ADVP (RB outside))))))))))))) (. .)))