倒装是中学英语不可缺少的语言点之一，也是高考考查的重要内容。以下就此做总结。
　　
　　一、 当only修饰副词、介词短语或状语从句置于句首时要用倒装，将相应的助动词放到主语之前。例如：
　　
　　1. Only by practising a few hours every day _____ be able to use it.
　　
　　A. you can B. can you
　　
　　C. you will D. will you
　　
　　二、 否定副词not, never, seldom, little, hardly, scarcely, nowhere, few, not until等位于句首时，句子要倒装。例如：
　　
　　2. Not a single song _____ at yesterday’s party.
　　
　　A. she sang B. sang she
　　
　　C. did she sing D. she did sang
　　
　　3. Seldom _____ any mistakes during my past few years of working here.
　　
　　A. would I make B. did I make
　　
　　C. I did make D. shall I make
　　
　　4. Not until I began to work _____ how much time I had wasted.
　　
　　A. didn’t I realize B. did I realize
　　
　　C. I didn’ t realize D. I realize
　　
　　三、 副词so放在句首，表示前面肯定句中所说的情况也适用于另外一个人时，句子要倒装；当neither，nor在句首，表示前面的否定也适用于另外一个人时句子要倒装；so, nor, neither表示相同概念的肯定或否定时，句子也要倒装。例如：
　　
　　5. My brother had a bad cold last week, and so _____.
　　
　　A. did I B. had I
　　
　　C. was I D. I did
　　
　　6.— “Do you know Jim quarreled with his brother?”
　　
　　—“I didn’t know, _____.”
　　
　　A. nor don’t I care B. nor do I care
　　
　　C. I don’t care neither D. I don’t care also
　　
　　7. He is a good student, and works very hard, _____.
　　
　　A. so it is with her B. so does she
　　
　　C. so is he D. neither does she
　　
　　四、 含有否定意义的连词置于句首，如no sooner…than…, neither…nor, hardly…when…, scarcely…when…, not…until…等需要倒装。例如：
　　
　　8. _____ entered the office when he realized that he had forgotten his report.
　　
　　A. He hardly had B. Had he hardly C. Hardly had he D. Hardly he had
　　
　　五、 以here, how, there, then等副词位于句首时，要倒装。例如：
　　
　　9. Then _____ the Civil War.
　　
　　A. did follow B. followed
　　
　　C. does follow D. following
　　
　　六、 有些介词短语如at no time, in no case, by no means, many a time, only in this way放在句首时要倒装。例如：
　　
　　10. Many a time _____ swimming alone.
　　
　　A. the boy went B. went the boy
　　
　　C. did the boy go D. did go the boy
　　
　　11. Only in this way _____ the problems.
　　
　　A. you can solve B. can you solve
　　
　　C. you solve D. did you solve
　　
　　七、 虚拟语气的条件从句中，省略了if后，had, were, should等放在条件句主语前，形成倒装。例如：
　　
　　12. _____ it rain tomorrow, we would have to put off visiting Beijing.
　　
　　A. Were B. Should
　　
　　C. Would D. Will
　　
　　八、 由as, though, however构成的让步状语从句，从句要倒装，一般结构为：形容词（副词或名词等）+as/though/however+主语+谓语。例如：
　　
　　13. _____ , mother will wait for him to have dinner together.
　　
　　A. However late is he B. However he is late
　　
　　C. However is he late D. Late, however, he is
　　
　　答案：1. B 2. C 3. B 4. B 5. A 6. B 7. B 8. C 9. B 10. C 11. B 12. A 13. D