在写作和翻译的时候，我们要特别主要句子的结构、人称一致、时态、动词的形式等。

In writing or in doing translation, we must pay special attention to sentence construction, agreement, sequence of tense, verb forms, etc.

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第二章，主要对名词、形容词、动词、量词重叠形式的小类在不同句法位置上的语义特征进行了分析。

The second chapter, to analyze the semantic features of the sub-class of the reduplicated forms of noun, adjective, verb and quantifier in different syntactic position.

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Need的助动词形式主要用于现在时态的疑问句、否定句和条件句中。

The auxiliary forms of need are used primarily in present-tense questions, negations, and conditional clauses.

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