In a moment or two he was back. 
( ( In ( ( ( a moment ) or ) two ) ) ( he ( ( was back ) . ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT a) (NN moment)) (CC or) (NP (CD two)))) (NP (PRP he)) (VP (VBD was) (ADVP (RB back))) (. .)))
It took a very long time for him to return.
( It ( ( ( took ( ( a ( ( very long ) time ) ) ( for him ) ) ) ( to return ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBD took) (NP (NP (DT a) (ADJP (RB very) (JJ long)) (NN time)) (PP (IN for) (NP (PRP him)))) (S (VP (TO to) (VP (VB return))))) (. .)))