Occasionally, he'd wince and apologise for any incoherence.
( Occasionally ( , ( he ( ( 'd ( ( ( wince and ) apologise ) ( for ( any incoherence ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Occasionally)) (, ,) (NP (PRP he)) (VP (MD 'd) (VP (VB wince) (CC and) (VB apologise) (PP (IN for) (NP (DT any) (NN incoherence))))) (. .)))
He would never apologize for his incoherent speech.
( He ( ( ( would never ) ( apologize ( for ( his ( incoherent speech ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (MD would) (ADVP (RB never)) (VP (VB apologize) (PP (IN for) (NP (PRP$ his) (JJ incoherent) (NN speech))))) (. .)))