You know when he loved Quechua .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 You)) (VP_4 (VBP_0 know) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_1 loved) (NP_3 (NNP_1 Quechua))))))) (DOT_0 .)))