7. A method according to claim 1, wherein when words and particles are inserted into the meaning frame which is read from the meaning frame dictionary, or inserted into the synthesized meaning frame, and when the arrangement in the language structure information contains word+particle in the language structure information series, then data structure, in which the same particle is set, is searched for by tracing a searching path in the meaning frame which is set according to the designated order of priority, and the word and the particle are respectively inserted into first element and second element of the searched for data structure.
7. A method according to claim 1, wherein when words and particles are inserted into the meaning frame which is read from the meaning frame dictionary, or inserted into the synthesized meaning frame, and when the arrangement in the language structure information contains word+particle in the language structure information series, then data structure, in which the same particle is set, is searched for by tracing a searching path in the meaning frame which is set according to the designated order of priority, and the word and the particle are respectively inserted into first element and second element of the searched for data structure. 9. A method according to claim 7, wherein a plurality of case particles designated in the meaning frame are stored in a third element of the data structure for the meaning frame via the coordinates in a case particle table which stores a group of case particles.