1、Parliament today approved the policy, but it has not yet become law. 释义：议会于今天批准了这项政策，但尚未成为法律。

2、He has not studied mechanics or engineering. 释义：他没有学习过力学和工程学。

3、The government has not verified any of those reports.释义：政府还没有证实那些报告中的任何一个。

4、She has not had an easy life. 释义：她一直没有过上过安逸的生活。

5、He has not finished his drama, in fact, he has not started on it. 释义：他还没有完成自己的剧本，实际上，他还没开始动手写。