| The existential sentence is a kind of special sentence in modern Chinese,account for there is something in one area, the study of this kind of sentence began at the last century About the classification of existential sentences,different scholars have different ideas, but the "is" existential sentence is for scholars generally recognize as the typical existence sentences.The existential verb "is" can be modified by adverbs "full", constitute "A full of B" existential sentence, account for generally existence.In this paper, besides introduction and conclusion, mainly composed of five chapters:The first chapter from the angle of syntactic analysis "A is B" existential sentence. First of all, respectively analysis the front, middle and later period of "A is B" existential sentence,respectively analysis the each part of speech of words from each segment and a detailed classification and examples; Secondly discuss the determination of subject and object in the sentence.The second chapter from the conversion between "A is B" and other related exist sentence to see the features of "A is B" existential sentence. First is "A is B" and "A have B" existence sentences, pointing out that the relation and distinction between "is" and "have"; Followed by is "A full of B" and "A fully have B" existence sentences, deeply pointing out the difference between "A full of B" existential sentence and "A fully have B" existential sentence; Again there is "A full of B" and "A is B" existential sentences, pointing out the characteristics of the "full" and its role at the existential sentence; Finally will be "A full of B" and "A V fully of B", reveal the characteristics of "is"compared with other verbs.The third chapter from the angle of pragmatics analysis "A is B" existential sentence. First is the definite article or indefinite article of existence space and existence object; Followed by is the features of "A is B" existential sentence in the concrete exhibit:exaggeration, tacit and implicate existing way, etc.The fourth chapter from the aspects of semantics to analyze "A is B" existential sentence. From the semantic features,semantic orientation and semantic compositions to analysis existential sentence paragraphs.The fifth chapter from the cognitive perspective to analysis "A is B" existential sentence. Firstly pointing out that the front part is not only can appear space but also can appear time. When only appearing time, space was omitted; Second is using graphics and the background theory to analysis the features and relationship between existence space and existence object; Finally from the angle of space dimension to analysis the localizer in the front part, reveals the relationship between localizer and different space dimension. |