雅思写作语法精讲：倒装

　　倒装共分两类：全部倒装和部分倒装。全部倒装是指将全部谓语动词都放在主语之前。部分倒装是指将谓语的一部分如助动词,系动词或情态动词放在主语之前。如果句中的谓语没有助动词或情态动词，则需添加助动词do, does或did，并将其放在主语之前。

　　A全部倒装：把全部谓语放在主语前。

　　1there be句型

　　There are bloody contents, violence and pornography in the Internet.

　　2 there here now then放在句首时，句子进行全部倒装。

　　Now is the time to take action.

　　3方位状语开头时，句子进行全部倒装。

　　In books are embalmed the greatest thoughts of all ages.

　　4主语与表语互换位置

　　Well-known is that energy crisis poses a threat to the society.

　　5伴随状语开头

　　With globalization have come many problems.

　　B部分倒装：只将情态动词、助动词或系动词放在主语前

　　1 only +单词、词组、状语从句位于句首，句子进行部分倒装。

　　Only through education can we rise in the world.

　　2以否定意义状语开头，句子进行部分倒装。

　　Never has this topic failed to fascinate people.

　　3 neither nor开头，句子进行部分倒装。

　　Economic success is not the only factor in achieving happiness, neither is social status.

　　4 so开头，句子进行部分倒装。

　　Success teaches us something about ourselves. So does failure.

　　5 always often particularly many times many a time 放在句首时，句子进行部分倒装。

　　Always am I amazed when I　hear people saying that computers can replace teachers.

　　6让步状语从句由though或as引导时可用倒装，将表语放在句子最前面。

　　Fascinating as computers utilized in education seem, teachersroles are more imperative.

　　7 so that 引导的结果状语从句可用倒装。

　　So severe is this problem that we have no alternative but to take some feasible measures to deal with it.