长难句是考研英语的一大难点，其中，考研英语长难句的10种常见句型结构，需要同学们熟练掌握。下面来看否定句，速来学习！
一、理论常识
1. 部分否定
Not both of them are my brothers .
Both of them are not my brothers .
All is not gold that glitters .
2. 双重否定
双重否定分为三种：
肯定型：There are no roses without thorns .
强调型：I just can’t do nothing .
委婉型：I can’t hardly read your hand writing .
3. 几乎否定
She is barely right .
I seldom got any sleep last night .
Few people can understand why he did it .
二、真题举例
There is no agreement whether methodology refers to the concepts peculiar to historical work in general or to the research techniques appropriate to the various branches of historical inquiry .
【重点词汇解析】methodology，n. 方法论;refer to 参考、涉及、指的是; branch，n. 分支 v. 分支、出现分歧
【参考翻译】所谓方法论是指一般的历史研究中的特有概念，还是指历史研究中各个具体领域使用的研究手段，人们对此意见不一。
