':return: the given file(s) as a list of tagged
words and chunks.  Words are encoded as ``(word, tag)``
tuples (if the corpus has tags) or word strings (if the
corpus has no tags).  Chunks are encoded as depth-one
trees over ``(word,tag)`` tuples or word strings.
:rtype: list(tuple(str,str) and Tree)'

def chunked_words(self, fileids=None, tagset=None):

    return concat([ChunkedCorpusView(f, enc, 1, 0, 0, 1, target_tagset=tagset, *self._cv_args) for (f, enc) in self.abspaths(fileids, True)])
