3.there be+名词词组+同位语从句

And if poverty is less of a problem and people are better educated，there is a good chance that we will see less violence and fewer wars．(人教大纲版高二上第68页)

如果贫困问题得到改善，人们的教育程度得以提高，就有可能会减少暴力和战争。

If a medicine works with animals，there is a very high chance that it also works with people．(人教大纲版高一下第27页)

如果药品对动物有效，那么对人起作用的可能性也非常大。

There is no doubt that100 years ago animal testing was cruel but today animals in experiments are very well taken care of．(人教大纲版高一下第27页)

一百年前，动物试验无疑是残酷的，但今天接受试验的动物得到了非常好的照料。

There is no probability that he will defeat his opponent in the election．

他没有可能在竞选中击败他的对手。