In many other places, the ancient sites lay buried'and still do'beneath modern  modern property owners quite understandably take a dim view of tearing down their buildings on the off chance that the remnants of an ancient town will be found several yards below.
( ( In ( many ( other places ) ) ) ( , ( ( the ( ancient sites ) ) ( ( lay ( ( buried ` ) ( and ( still ( ( ( do ` ) ( beneath ( modern ( modern ( property owners ) ) ) ) ) ( ( quite understandably ) ( take ( ( a ( dim view ) ) ( of ( ( ( tearing down ) ( ( their buildings ) ( on ( the ( off chance ) ) ) ) ) ( that ( ( ( the remnants ) ( of ( an ( ancient town ) ) ) ) ( will ( be ( ( found ( several yards ) ) below ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (JJ many) (JJ other) (NNS places))) (, ,) (NP (DT the) (JJ ancient) (NNS sites)) (VP (VBD lay) (SBAR (S (VP (VBD buried) (`` `) (S (NP (NNP and)) (VP (ADVP (RB still)) (VB do) (`` `) (NP (CD beneath) (JJ modern) (JJ modern) (NN property) (NNS owners)) (S (VP (ADVP (RB quite) (RB understandably)) (VB take) (NP (NP (DT a) (NN dim) (NN view)) (PP (IN of) (S (VP (VBG tearing) (PRT (RP down)) (NP (NP (PRP$ their) (NNS buildings)) (PP (IN on) (NP (DT the) (JJ off) (NN chance)))) (SBAR (IN that) (S (NP (NP (DT the) (NNS remnants)) (PP (IN of) (NP (DT an) (JJ ancient) (NN town)))) (VP (MD will) (VP (VB be) (VP (VBN found) (NP (JJ several) (NNS yards)) (ADVP (RB below))))))))))))))))))) (. .)))
All ancient places have been investigated. 
( ( All ( ancient places ) ) ( ( have ( been investigated ) ) . ) )
(ROOT (S (NP (DT All) (JJ ancient) (NNS places)) (VP (VBP have) (VP (VBN been) (VP (VBN investigated)))) (. .)))