For example, we estimate the conditional probability of linking not to ne...pas by considering the number of sentence pairs in which not occurs in the English sentence and both ne and pas occur in the French sentence, compared to the number of times not is linked to both ne and pas in pairs of corresponding sentences.
when we make this estimate in the CLP-based model, we do not count a link between not and ne...pas if the same instance of not, ne, or pas is linked to any other words.