As he emerged, Boris remarked, glancing up at the clock: "You are early.
( ( As ( he emerged ) ) ( , ( ( ( ( ( Boris ( ( remarked , ) ( ( glancing up ) ( at ( the clock ) ) ) ) ) : ) `` ) ( You ( are early ) ) ) . ) ) )
(ROOT (S (SBAR (IN As) (S (NP (PRP he)) (VP (VBD emerged)))) (, ,) (S (NP (NNP Boris)) (VP (VBD remarked) (, ,) (S (VP (VBG glancing) (PRT (RP up)) (PP (IN at) (NP (DT the) (NN clock))))))) (: :) (`` ``) (S (NP (PRP You)) (VP (VBP are) (ADJP (JJ early)))) (. .)))
When he was appearing, Boris looked at the clock and said, 'You are early.'
( ( When ( he ( was appearing ) ) ) ( ( , ( ( Boris ( ( ( looked ( at ( the clock ) ) ) and ) said ) ) , ) ) ( ` ( You ( ( ( are early ) . ) ' ) ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (PRP he)) (VP (VBD was) (VP (VBG appearing))))) (PRN (, ,) (S (NP (NNP Boris)) (VP (VP (VBD looked) (PP (IN at) (NP (DT the) (NN clock)))) (CC and) (VP (VBD said)))) (, ,)) (`` `) (NP (PRP You)) (VP (VBP are) (ADJP (JJ early))) (. .) ('' ')))