v. Unfortunately， it is not always the case that new things are promoted because they have good impacts for the majority of people. 名词性从句+状语从句

　　三、倒装句的使用

　　倒装句的使用主要包括否定词位于句首时的倒装，比较句中第2个句子的倒装和虚拟语气条件句中的倒装。

　　i. Not only should the parent spent more time with their children， they should also try to communicate with their children more often.

　　ii. Only in this way can this issue be effectively solved.

　　iii. Nor a bad environment will make people healthier.

　　iv. Only in very few regions do the residents have enough water for their daily needs.