Japanese sentence-final particles express the speaker’s various intellectual and mental attitudes. In this paper, the following points are clarified about the acquisition of Japanese sentence-final particle “no (common language form)” and “n (Hiroshima dialect form)” in Hiroshima dialect speaker.
1. Sentence-final particle “no” is previously acquired rather than “n”.
2. A large number of “n” is used as an interrogative sentence.
3. When “no” and “n” are used as an interrogative sentence, the word forms of the front word differ, respectively.
4. The independent form “n” is acquired after the complex form “n-yo” and “n-ne” are acquired. On the other hand, the complex form “no-yo” and “no-ne” are acquired after the independent form “no” is acquired.