It came shaking about climbing down .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBD_2 came) (S_2 (VP_0 (ATVP_0 (VBG_0 shaking) (PRT_0 (RP_0 about))) (VP_2 (VBG_0 climbing) (PRT_0 (RP_0 down))))))) (DOT_0 .)))