"that Word Answer Sentence

The paper makes"na"that it is conjunction which is placed at the head of sentence expressing reply sentence call the reply sentence of"na"word..It describes formation,types and function of the reply sentence of"na"word, it discusses part of speech and function of"na",it points out that usable frequence of"zhe"is higher than"na",on the contrary, the usable frequency of"na"is higher than"zhe"at the head of the reply sentence.