With a negative adverb or adverb equivalent in front position, inversion of subject and verb must occur.

当表示否定意义的副词或相当于副词的词语置于句首时，句中主谓需倒装。

youdao

This paper analyses the understanding and the uses of the abstract meanings of the prepositions in three parts:prepositional phrase used as a verb; the function of comparison and negative expression.

英语介词繁多，用法各异，本文就英语介词的抽象意义的理解和用法在三个方面进行分析，认为它既具有动词的功能， 又具有比较“意义和否定”的表达法。

youdao

This paper analyses the understanding and the uses of the abstract meanings of the prepositions in three parts:prepositional phrase used as a verb; the function of comparison and negative expression.

英语介词繁多，用法各异，本文就英语介词的抽象意义的理解和用法在三个方面进行分析，认为它既具有动词的功能， 又具有比较“意义和否定”的表达法。

youdao