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1·Those sentences could be categorized into declaratives, imperatives, and interrogatives.

这些句子可以分为陈述、命令、疑问句。

2·In mood system, the interpersonal meaning is manifested through the extensive use of declaratives which carry the story and the writer's viewpoints.

在语气系统体现为大量陈述句的使用，以承载整个故事的情节和作者的观点。

(1)declarative knowledge陈述性知识

(1)declarative sentence陈述句