There's one thing, he thought to himself, "they can't go on shooting.
( ( There ( 's ( one thing ) ) ) ( , ( he ( ( ( ( ( thought ( to himself ) ) , ) `` ) ( they ( ( ca n't ) ( go ( on shooting ) ) ) ) ) . ) ) ) )
(ROOT (S (S (NP (EX There)) (VP (VBZ 's) (NP (CD one) (NN thing)))) (, ,) (NP (PRP he)) (VP (VBD thought) (PP (TO to) (NP (PRP himself))) (, ,) (`` ``) (S (NP (PRP they)) (VP (MD ca) (RB n't) (VP (VB go) (PP (IN on) (NP (NN shooting))))))) (. .)))
He thought to himself that they can continue shooting.
( He ( ( ( thought ( to himself ) ) ( that ( they ( can ( continue shooting ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD thought) (PP (TO to) (NP (PRP himself))) (SBAR (IN that) (S (NP (PRP they)) (VP (MD can) (VP (VB continue) (NP (NN shooting))))))) (. .)))