Question

It’s a shame ______ able to give them any advice.  

1. A.
   not to have been
2. B.
   to have not been
3. C.
   to have been not
4. D.
   to not have been

Answer 1

A
试题分析：  句意为：很遗憾，未能给他们任何建议
从语气上看，此题属于虚拟语气。动词不定式的否定形式在其前加not，可排除B,C,D
考点：对动词不定式的否定形式进行考察
点评：此题主要考察考生对动词不定式的掌握程度和熟练情况。考生在进行复习时，应特别注意此类知识点的活学活用。