通过讲练法让学生学会在陈述句，疑问句和祈使句中的具体用法。用例句为学生创设语境。
Students learn how to use reported speech to report in statements, yes/no questions, wh-questions and imperative sentences in this part.
英语陈述句在交际中可表达疑问句、祈使句和感叹句等特殊功能。
English declarative sentences have the special functions in communication uhich can express interrogative sentences, tmperative sentences and exclamatory sentences.
除此之外，这一阶段的语言开始反映句型的区别，如否定句、祈使句和疑问句。
In addition, the language at this stage begins to reflect the distinction between sentence types, such as negative sentences, imperative and questions.
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