1. The declarative sentence, without the copula, where the predicate is a noun, has many restrictions and needs a copula as a declarative sign, "shi" just meets its needs. 以名词性成分为谓语的无系词判断句在使用时受到了限制，客观上需要一个系词作判断标记，“是”正好满足了这种需求。
2. The thesis studies the affixes of the verb in Khidan Language, including Gerundial and Verbal Nouns, the declarative and passive mood affix which has already been explained and their pronunciation. 本文研究动词类变化中的附加成分。内容包括已经释读的副动词、形动词、陈述式及使动态的附加成分及其读音。
3. This paper discusses the possibility of semantic combinations between every two types of mood patterns: declarative, imperative, interrogative and exclamative. 本文考察了陈述、祈使、疑问、感叹四种语气类型的十六种组合可以有哪些语义关系，不能有哪些语义关系。
4. When the mood is bad, with what can the method make the mood ameliorates? 心情不好的时候，用什么方法可以使心情变好？
5. A space, can change the mood, in white bath ark deck, your mood will accompany the flying around the sun light. 空间可以改变心情，在纯白浴柜的装点下，你的心情也一定会伴随阳光的环绕轻盈飞扬。
