攻克英语长难句必须要熟练掌握各类句式结构的分析，再一一拆分解读，就自然而解了。为大家梳理了一些常见的句式结构，帮助大家来加深理解：

　　一、理论常识

　　倒装句的几种形式

　　1. 以here , there ,then , now , next引出的倒装句。

　　Here comes the special guest of the party .

　　There seem to be many beautiful girls in the university .

　　2. 以表地点的介词短语引出的倒装句。

　　At the school gate stood an old woman .

　　Under the tree are sitting some students .

　　On the bed lay a big teddy bear .

　　注意：主语为代词是不用倒装。

　　3. 以表示方位的副词引出的倒装句。

　　Off went the horse .

　　Down fell a dozen apples .

　　4. 否定词或具有否定意义的词及词组用在句首。

　　Never have I seen such a good teacher .

　　Not a moment did he waste on campus .

　　By no means should she be left alone .

　　Under no circumstances will I believe you .

　　5. only置于句首。

　　Only in this way can we make a difference .

　　6. as / though引导让步状语从句。

　　Rich as he is , he spends a cent on charity .

　　Try as / though he does , he never seems able to get a high score in the exams .

　　7. 在虚拟条件句中，连词if省略时，即将were , had , should等词提到句首。

　　Were I you , I would take this chance .

　　Should he come tomorrow , he would help us to settle the problem .

　　二、真题举例

　　Odd though it sounds , cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary-particle physics , and many astrophysicists have been convinced for the better part of a decade that it is true.

　　【重点词汇解析】plausible，adj. 貌似可信的;consequence，n. 结果、推论;astrophysicist，n. 天体物理学家

　　【参考翻译】尽管它听起来很奇怪，宇宙膨胀说是在基础粒子物理学中的一些公认的观点在科学上貌似可信的推论，并且很多天体物理学家在近十年中已经相信这种理论是真实的。