Inversion(倒装)

I never live under the illusion that country life is somehow superior to town life. Never do I live under the illusion that country life is somehow superior to town life.
一、否定副词（短语）位于句首
大自然从未遭受过如此严重的污染。
The nature has never suffered from such a serious pollution.
The nature
主语 宾语
has
助动词
never
否定词
suffered from
谓语
such a serious pollution.
三、Only 引导的状语（从句）位于句首
我们只有通过参加锻炼才能保持身体健康。 We can stay healthy only by taking exercise.
We can stay healthy only by taking exercise. 主语 助动词 谓语 only引导的状语 Only by taking exercise can we stay healthy. only 引导的状语 助动词 主语 谓语 公式：only引导的状语（从句）+助动词（情态动词） +主语+谓语+其他
The advantages of building a factory near our community are so numerous that almost everyone living in the neighborhood is in favor of the proposal. So numerous are the advantages of building a factory near our community that almost everyone living in the neighborhood is in favor of the proposal.
我们决不能忽视知识的巨大价值。 We can ignore the great value of knowledge on no account. On no account can we ignore the great value of knowledge.
没有医疗技术的进步我们绝不可能比以前活 的更长。 We can live much longer than before in/under no circumstances without the advance of medical technology. In / under no circumstances can we live much longer than before without the advance of medical technology.
公式： 否定词+助动词(情态动词)+主语+谓语+宾语 Never has the quiet life of the country appealed to me.
常见的否定副词（短语）
No / not / never / neither / nor / seldom / rarely / barely / scarcely / hardly / in no way / on no account / in (under) no circumstances / by no means / not only … but also… / neither … nor … / hardly …when … / no sooner… than / not …until…
There are so few buses in their city that they have to spend much more time waiting for a bus.
So few buses are there in their city that they have to spend much more time waiting for a bus.
He realized how serious the issue was only when he had spoken out that word. Only when he had spoken out that word did he realize how serious the issue was.
学校教育不仅教给学生知识，还能教给学生 如何处理人际关系。 Studying at school not only serves academic purpose, but it also enables students to handle interpersonal relations at school. Not only does studying at school serve academic purpose, but it also enables students to handle interpersonal relations at school.
我永远不会忘记我第一次见到她的那一天。 I shall never forget the day when I saw her for the first time. Never shall I forget the day when I saw her for the first time.
小城镇很难像大城市那样给我们带来许多刺 激。 A small town seldom/hardly/ scarcely brings us as much excitement as a big city. Seldom/ hardly/ scarcely does a small town bring us as much excitement as a big city.
通过从事一些与专业相关的兼职，学生不仅能增长 他们的专业知识，他们还能获得一些经验，这些经 验是他们从课本上所不能获得的经验。 By taking some major-related part-jobs, students can not only increase their academic studies, but also they gain much experience which they will never be able to get from the textbooks.
People are not becoming aware of how significant it is for the government to invest more money in medical care until they have suffered from some fatal diseases such as SARS and AIDS. Note：Not only引导的倒装句中，从句正常语 序，主语倒装。 Not until they have suffered from some fatal diseases such as SARS and AIDS, are people becoming aware of how significant it is for the government to invest more money in medical care.
二、So…that…（结果状语从句）倒装
科学家工作如此努力以至于忘了吃午饭。 The scientist worked so hard that he forgot his lunch.
The scientist worked so hard that he forgot his 主语 谓语 so短语 结果状语从句 lunch. So hard did the scientist work that he forgot so短语 助动词 主语 谓语 结果状语从句 his lunch.
We can explore the widest range of sources of information only though learning at home by using the Internet. 公式：only引导的状语（从句）+助动词（情 态动词）+主语+谓语+其他
Only though learning at home by using the Internet can we explore the widest range of sources of information.
• 1、只有爱别人，你才可能被爱。 • Only when you love others will it be possible for you to be loved.
• 2、只有愿意原谅别人，你才能被原谅。 • Only when you are willing to forgive others can you be forgiven.
Never
has
the nature
主语
suffered from
谓语
否定词 助动词
such a serious pollution. 宾语
公式：否定词+助动词+主语+谓语+宾语
practice
The quiet life of the country has never 主语 助动词 否定词 appealed to me. 谓语 宾语
公式：so短语+助动词+主语+谓语+结果状语从句
practice
Time is so precious that we cannot afford to 主语 系动词 so短语 结果状语从句 waste it. 公式：so短语+系动词+主语+结果状语从句
So precious is time that we cannot afford to so短语 系动词 主语 结果状语从句 waste it.
Inversion
托福写作五大类倒装
托福写作五大类倒装
一、否定副词（短语）位于句首 二、So…that…（结果状语从句）倒装 三、Only 引导的状语（从句）位于句首 四、As / Though 引导让步状语的倒装 五、表语（介词短语/ adj. / v-ing / v-ed）+系+ 主语（旋转180度）
This intractable problem will be tackled only when the government takes some appropriate measures.
Only when the government takes some appropriate measures will this intractable problem be tackled.
Hale Waihona Puke Baidu
We can eventually fulfill what we are determined to do only if we stand up to failure and draw useful lessons from it.
Only if we stand up to failure and draw useful lessons from it can we eventually fulfill what we are determined to do.
By taking some major-related part-jobs, not only can students increase their academic studies, but also they gain much experience which they will never be able to get from the textbooks.