2012考研必备：考研英语语法精要(32)

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十二、倒装结构
    倒装是指句子成分不是按主语在前、谓语在后的正常语序排列，而是将谓语或谓语的一部分移到主语之前。倒装是一种修辞手段，目的是为了强调。倒装分为部分倒装和全部倒装，考试多为部分倒装。考生应掌握什么情况下需要倒装。
   
    1.下列否定词及含有否定意义的词组修饰状语时，若置于句首，句子的主谓要部分倒装
    never, no, neither, not only, hardly, scarcely, little, seldom, rarely, not until, nowhere, at no time, on no account, in no respect, in no sense, by no means, in no way, no longer, no less, no more, no sooner than, under no circumstances, in vain, still less。如：
    Not only is its direct attack on their discipline, it bypasses the essence of what sociologists focus on.
    Under no circumstances should we do anything that will benefit ourselves but harm the interests of the state.