def __init__(self, unk=None, Trained=False, N=1000, C=False):

        self._uni  = FreqDist()
        self._bi   = ConditionalFreqDist()
        self._tri  = ConditionalFreqDist()
        self._wd   = ConditionalFreqDist()
        self._eos  = ConditionalFreqDist()
        self._l1   = 0.0
        self._l2   = 0.0
        self._l3   = 0.0
        self._N    = N
        self._C    = C
        self._T    = Trained

        self._unk = unk

        # statistical tools (ignore or delete me)
        self.unknown = 0
        self.known = 0
Construct a TnT statistical tagger. Tagger must be trained
dataset/ETHPy150Open nltk/nltk/nltk/tag/tnt.py/TnT.__init__