But some very clever comparative linguists, beginning in Germany in the 19th century, theorized about how the nature of the ancestors of the more modern tongues.
( But ( ( ( ( ( some ( ( very clever ) ( comparative linguists ) ) ) , ) ( beginning ( in ( Germany ( in ( the ( 19th century ) ) ) ) ) ) ) , ) ( ( theorized ( about ( how ( ( ( the nature ) ( of ( ( the ancestors ) ( of ( the ( more modern ) ) ) ) ) ) tongues ) ) ) ) . ) ) )
(ROOT (S (CC But) (NP (NP (DT some) (ADJP (RB very) (JJ clever)) (JJ comparative) (NNS linguists)) (, ,) (VP (VBG beginning) (PP (IN in) (NP (NP (NNP Germany)) (PP (IN in) (NP (DT the) (JJ 19th) (NN century)))))) (, ,)) (VP (VBD theorized) (PP (IN about) (SBAR (WHADVP (WRB how)) (S (NP (NP (DT the) (NN nature)) (PP (IN of) (NP (NP (DT the) (NNS ancestors)) (PP (IN of) (NP (DT the) (JJR more) (NN modern)))))) (VP (VBZ tongues)))))) (. .)))
Linguists studied the ancestors of the German people before the 19th century.
( Linguists ( ( ( studied ( ( the ancestors ) ( of ( the ( German people ) ) ) ) ) ( before ( the ( 19th century ) ) ) ) . ) )
(ROOT (S (NP (NNS Linguists)) (VP (VBD studied) (NP (NP (DT the) (NNS ancestors)) (PP (IN of) (NP (DT the) (JJ German) (NNS people)))) (PP (IN before) (NP (DT the) (JJ 19th) (NN century)))) (. .)))