that we have come to love 
(ROOT (SBAR (WHNP (IN that)) (S (NP (PRP we)) (VP (VBP have) (VP (VBN come) (S (VP (TO to) (VP (VB love)))))))))
(ROOT (SBAR (WHNP (IN )) (S (NP (PRP )) (VP (VBP ) (VP (VBN ) (S (VP (TO ) (VP (VB )))))))))