The BHC will be both lemmatized and POS-tagged by using TreeTagger (Schmid 1994(Schmid , 1995 or Frog (Avontuur et al.
an investigation in the 1980s into phonological change in West Frisian and Dutch of (the same) West Frisian speakers, suggests that, at least at the phonological level, the opposite holds: younger speakers were more likely to keep the phonological rules of the two languages apart; whereas older speakers were more likely to confuse them in either language (van der Kuip 1986, Feitsma et al.