倒装的原因: 一、语法结构的需要(如某些疑问句) Have you finished your homework? (一般疑问句) Where are you from? (特殊疑问句) It’s a fine day, isn’t it? (反意疑问句) Is she a doctor or a worker? (选择疑问句) 注意:疑问代词作主语的时候不倒装。 Who invented the new machine? 二、强调的需要; 三、保持句子的平衡或是上下文紧密相接。
Grammar Inversion