下面小编跟大家一起了解考研英语长难句—名词性从句分享，希望对大家的学习有所帮助。
　　长难句
　　He asserted, also, that his power to follow a longand purely abstracttrain of thought was very limited, for which reason he felt certain that he never could have succeeded with mathematics
　　难句分析
　　词汇点睛
　　 assert: 声称，断言；power ：能力
　　难点突破
　　 宾语从句，定语从句， 从句嵌套
　　结构图示
　　句子分解
　　句子有四个谓语动词: asserted，was，felt和could have succeeded。根据从句引导词可划分为: A. He asserted， also，主句为主谓宾结构。
　　B.that his power to follow a long and purely abstracttrain ofthought wasvery limited， that 引导位于主句的谓语动词asserted 后的宾语从句。不定式to 引导的部分 follow ... of thought作 power的宾语。 C.for which reason hefelt certain for which reason 引导非性定语从句，指代句子前半部分的内容。翻译非性定语从句时，一般另起一句。 D.that he never couldhave succeededwith mathematics that引导位于形容词certain 后的宾语从句参考译文