| 摘要 |
PROBLEM TO BE SOLVED: To achieve more simple and accurate detection of a subject-verb agreement error in an input sentence in English without using syntax analysis.SOLUTION: A subject-verb agreement error detection device 12 includes: input sentence analysis means 14 which performs part-of-speech analysis and phrase analysis of an input sentence in English, specifies words, phrases and clauses configuring the input sentence, and acquires part-of-speech information regarding the kinds and the number of the parts of speech of the words and phrase and clause information regarding the kinds of the phrases and clauses; subject-verb candidate extraction means 15 which extracts a verb in a verb phrase in the input sentence based on rules stored in advance without performing syntax analysis by using the result of the input sentence analysis means 14, and extracts a noun in a noun phrase existing on the left side of the verb as a subject candidate; and correctness/incorrectness determination means 16 which determines correctness/incorrectness of the agreement between the subject candidate and the verb based on the rules stored in advance from the person and the number of the verb and the subject candidate respectively extracted by the subject-verb candidate extraction means 15. |
