1. 用no sooner„than和hardly„when引导的从句表示“刚...就...”。

　　主句中的动词一般用过去完成时,从句用过去时;而且主句一般倒装,把助动词had提到前面。

　　Hardly had I entered the room when I heard a loud noise.

　　2. 代词作主语时,主谓语序不变。Here it is. Here he comes.

　　3. 当句首状语为表示地点的介词词组时也常常引起全部倒装。

　　South of the city lies a big steel factory.

　　From the valley came a frightening sound.

　　4. 表语置于句首时,倒装结构为“表语+连系动词+主语”。

　　Present at the meeting were Professor White, Professor Smith and many other guests.

　　Gone are the days when they could do what they liked to the Chinese people.

　　Among the goods are Christmas trees, flowers, candles and toys.

　　He has been to Beijing. So have I.

　　Li Wei can't answer the question. Neither can I.

　　5. 用于省略if的虚拟条件状语从句。

　　Had you reviewed your lessons, you might have passed the examination.

　　6. 用于“形容词(或名词、动词)+as(though)引导的让步状语从句中。

　　例如：Pretty as she is ,she is not clever.

　　Try as he would, he might fail again.如果从句的表语是名词,其名词前不加任何冠词。

　　Child as he was, he had to make a living.

　　7. 用于no sooner„than„, hardly„when和not until的句型中。

　　Not until the teacher came did he finish his homework.

　　8. 用于never, hardly, seldom, scarcely, barely, little, often, at no time, not only, not once等词开头的句子。

　　Never shall I do this again.

　　Little did he know who the woman was.

　　9. 用于以only开头的句子(only修饰副词,介词短语或状语从句时)。

　　Only this afternoon did I finish the novel.

　　Only in this way can you master English.

　　Only when he told me did I realize what trouble he was in.

　　如果only后面的词组不是状语,则不用倒装。

　　Only Wang Ling knows this.

　　10. 用于某些表示祝愿的句子。

　　May you succeed! 祝你成功!