'Construct a TrigramCollocationFinder, given FreqDists for appearances of words, bigrams, two words with any word between them,and trigrams.'

def __init__(self, word_fd, quadgram_fd, trigram_fd, bigram_fd, wildcard_fd):

    nltk.collocations.AbstractCollocationFinder.__init__(self, word_fd, quadgram_fd)
    self.trigram_fd = trigram_fd
    self.bigram_fd = bigram_fd
    self.wildcard_fd = wildcard_fd
