您要查找的是不是：
- They are not engineers, are they? 他们不是工程师，对吗？
- They were not engineering students, were they ? 他们过去不是工科学生，对吗?
- These apples are not ripe; they are sour. 这些苹果不熟，是酸的。
- Are these Mary's pens? No, they are not hers. 这些是玛丽的笔吗？不，它们不是她的。
- They are not likely to attain this aim. 他们未必能够达到这一目标。
- They are not in the same league. 他们的水平有高低。
- Horses get fat and lazy if they are not exercised. 马不训练就会增膘、 变懒。
- Our main concern is that they are not receiving enough help. 我们最忧虑的是他们一直没有得到足够的帮助。
- The numbers are not in sequence; they are all jumbled up. 这些号码没有按顺序排列; 全给搞乱了。
- They were not allowed to use arms. 不许他们使用武器。
- They were not equipped to deal with the situation. 他们没有准备好应付这种局面。
- They are not merely content to fill the stomach. 他们不仅仅满足于填饱肚子。
- They are not interested in this book. 他们对这本书不感兴趣。
- They are not playing basketball. 他们没在打蓝球。
- They are not from England. Neither (nor) is she. 他们不是英国人。她也不是。
- They are not to be mentioned in the same breath. 他们不可同日而语。
- Man for man, they are not stronger than we are. 拿一个人对一个人来说，他们的实力不比我们强。
- Horse gets fat and lazy if they are not exercise. 马不训练就会增膘、变懒。
- It is a pity that they are not here. 遗憾的是他们没在这里。
- They are not cooks, and neither are we. 他们不是厨师，我们也不是。
