1. An apparatus for amending a language analysis error, the apparatus comprising: a main language analyzer, which comprises a plurality of language processing modules being sequentially connected to each other, and which is configured to in response to a document being input thereto, generate one best main analysis result for each processing module; a subsidiary language analyzer, which comprises the plurality of language processing modules being sequentially connected in a same configuration as the main language analyzer, and which is configured to in response to the document being input thereto, generate a plurality of subsidiary analysis results for each of the plurality of language processing modules; and an analysis result amender configured to in response to an error occurring in the main analysis result, acquire a subsidiary analysis result corresponding to the main analysis result where the error occurs, and transmit the subsidiary analysis result to the main language analyzer, wherein the main language analyzer is configured to substitute the main analysis result, where the error occurs, for the transmitted subsidiary analysis result and then re-perform a language analysis.