About this time the Fasten Seatbelt sign would usually have been turned off and the flight attendants would have begun preparing for cabin service.
( ( About ( this time ) ) ( ( ( ( ( the ( Fasten ( Seatbelt sign ) ) ) ( ( would usually ) ( have ( been ( turned off ) ) ) ) ) and ) ( ( the ( flight attendants ) ) ( would ( have ( begun ( preparing ( for ( cabin service ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (RB About) (DT this) (NN time)) (S (NP (DT the) (NNP Fasten) (NNP Seatbelt) (NN sign)) (VP (MD would) (ADVP (RB usually)) (VP (VB have) (VP (VBN been) (VP (VBN turned) (PRT (RP off))))))) (CC and) (S (NP (DT the) (NN flight) (NNS attendants)) (VP (MD would) (VP (VB have) (VP (VBN begun) (S (VP (VBG preparing) (PP (IN for) (NP (NN cabin) (NN service))))))))) (. .)))
The Fasten Seatbelt sign would have been turned off and the flight attendants would have begun the cabin service around this time.
( ( ( ( ( The ( Fasten ( Seatbelt sign ) ) ) ( would ( have ( been ( turned off ) ) ) ) ) and ) ( ( the ( flight attendants ) ) ( would ( have ( ( begun ( the ( cabin service ) ) ) ( around ( this time ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NNP Fasten) (NNP Seatbelt) (NN sign)) (VP (MD would) (VP (VB have) (VP (VBN been) (VP (VBN turned) (PRT (RP off))))))) (CC and) (S (NP (DT the) (NN flight) (NNS attendants)) (VP (MD would) (VP (VB have) (VP (VBN begun) (NP (DT the) (NN cabin) (NN service)) (PP (IN around) (NP (DT this) (NN time))))))) (. .)))