1. A sentence recognition apparatus comprising: a data base for storing a plurality of predetermined standard specific word pairs each formed from a plurality of predetermined specific words; sentence recognition means of recognizing an input sentence made up of a plurality of words; specific word selection means of selecting said specific words from among the plurality of words forming said recognized sentence; judging means of judging whether a specific word pair arbitrarily formed from said selected specific words matches any one of the standard specific word pairs stored in said data base; and erroneously recognized specific word determining means of determining, based on the result of said judgement, an erroneously recognized specific word for which said recognition failed from among said selected specific words.