still 用于否定句的情况十分普遍，甚至比用于肯定句的情况都多。

请看来自权威词典的例句：

【still not 的例句】

1. It's still not known how many died in the volleys of gunfire. 

现在还不知道有多少人在枪林弹雨中身亡。

来自柯林斯例句

2. It is still not clear what events triggered off the demonstrations. 

现在仍然不清楚是什么事件引发了示威活动。

来自柯林斯例句

3. It is still not clear who was behind the killing. 

凶杀案的幕后主使尚不清楚。

来自柯林斯例句

4. The election results have still not been officially announced. 

选举结果仍未正式公布。

来自柯林斯例句

5. It is still not part of that world. 

它还并不属于那个世界。

来自柯林斯例句

6. He had still not fully recovered. 

他还没有完全康复。

来自柯林斯例句

7. The co-stars are still not speaking. 

两位联袂主演的明星仍然互不理睬。

来自柯林斯例句

8. I've only just come here. I'm still not familiar with the work. 

刚到这里, 工作很生。

来自《现代汉英综合大词典》

9. Are you still not convinced? 

你还没有想通?

来自《现代汉英综合大词典》

10. It is still not clear who was behind Sunday's attempt to unseat the President. 

目前还不清楚星期天发动的企图推翻总统的行动的幕后指使人是谁。

来自柯林斯例句

【not still 的例句】

1. You're not still brooding over what he said, are you? 

你不是还在为他的话闷闷不乐吧？

来自《权威词典》

2. You're not still hung up on that girl? 

你不是还在念念不忘那个女孩吧？

来自《权威词典》

3. I hope you are not still sighing over that boy. 

我希望你不再为那个小伙子伤心叹息。

来自《简明英汉词典》

4. "He's not still there, I suppose?" — "I wouldn't bank on that," she said.

“我想他不在那儿了吧？”——“我觉得希望不大，”她说。

来自柯林斯例句

5. " You're not still thinking about being an actress, are you? " 

“ 莫非你还在想着当演员, 是吗?

来自英汉文学 - 嘉莉妹妹

6.No, I am not still close with my parents. 

不，我和父母的关系仍不密切。

7. The time that the plane takes off is not still determined. 

飞机起飞的时间还没确定。

来自辞典例句

8. From the reform implementation, the effects are not still obvious. So we should perfect the reform plan. 

从改革实施的情况看，效果还不明显，我们应进一步完善改革方案。

9. The telephone in our room does not still have the installation. 

我们家里的电话机还没有安装好。

来自辞典例句

10. But research has shown that when people achieve their ideas of happiness (marriage, children, wealth, fame), they often are still not happy. 

但研究表明，当人们得到他们所谓的快乐（结婚、生子、财富、名誉）时，他们常常是仍然高兴不起来。