'Return all sentences in the corpus.
:param fileids: a list or regexp specifying the ids of the files whose
sentences have to be returned.
:return: all sentences of the corpus as lists of tokens (or as plain
strings, if no word tokenizer is specified).
:rtype: list(list(str)) or list(str)'

def sents(self, fileids=None):

    return concat([self.CorpusView(path, self._read_sent_block, encoding=enc) for (path, enc, fileid) in self.abspaths(fileids, True, True)])
