四六级语法题考点经典总结
一、 非谓语动词
  近几年的语法测试中非谓语动词约占 31.1%，平均每年近 5 道题，可谓是语法项目考查的重点，那么非谓语
动词的考查都有哪些特点，解答时又应注意些什么呢？下面我和大家就一起来分析一下：
1、非谓语动词考查特点
1) 谓语动词与非谓语动词的判断
  对谓语动词与非谓语动词区别的考查主要集中在独立主格结构，如：
All things ___ because of the snowstorm, many passengers could do nothing but take the train.(1999.1)
A. had been canceled B. have been canceled
C. were canceled D. having been canceled
  四个选项中有三个是谓语动词，只有 D 是非谓语动词，只要同学们能判断出这里是非谓语动词做状语，则不
用考虑时态的问题，答案自明。
2) 谓语动词后不定式与动名词的选择
  谓语动词后接不定式还是接动名词也是四级语法测试中的一个题眼。如：
① I don't mind ...