Weicker has yet to declare his intentions.
( Weicker ( ( ( has yet ) ( to ( declare ( his intentions ) ) ) ) . ) )
(ROOT (S (NP (NNP Weicker)) (VP (VBZ has) (ADVP (RB yet)) (S (VP (TO to) (VP (VB declare) (NP (PRP$ his) (NNS intentions)))))) (. .)))
Weicker has already declared his intentions to the staff.
( Weicker ( ( ( has already ) ( ( declared ( his intentions ) ) ( to ( the staff ) ) ) ) . ) )
(ROOT (S (NP (NNP Weicker)) (VP (VBZ has) (ADVP (RB already)) (VP (VBN declared) (NP (PRP$ his) (NNS intentions)) (PP (TO to) (NP (DT the) (NN staff))))) (. .)))