(: DET-NOM-VERB :) for $ligne in doc("bao2_sortiexml_treetagger_3208.xml")//element let $frere1:= $ligne/following-sibling::*[1] let $frere2:= $ligne/following-sibling::*[2] where $ligne/data[1][contains(text(), "DET")] and $frere1/data[1]="NOM" and $frere2/data[1][contains(text(), "VER")] return string-join(($ligne/data[3], $frere1/data[3],$frere2/data[3]), " ")