This paper provides a method of the automatic annotation by means of the synthetic use of the grammatical information to realize the judgment and automatic annotation of the semantic relationship of textual coherence.The distribution rules of the parts of speech are used to eliminate the non-conjunctions,and the potential conjunctions are tagged.The pattern of the textual coherence is obtained by the synthetic use of the collocation distance,collocation strength and syntactic position after matching the pattern in the corpus of conjunctions.Based on the above data,the semantic relationship is ...