Only through education can we rise in the world.
Only by receiving education can we rise in the world.
So severe is the environmental problem that we have no alternative but to take some feasible measures to deal with it.
Under no circumstance should we neglect the key role of friends in our life.
Not only…(but also), Not until(直到…..才),
No sooner….(than)(一…..就) Never/ Rarely/Seldom
Hardly/Scarcely… (when) Few/Little
Hardly had I arrived home when it began to rain.
scarcely……when, no sooner ……than, hardly……when引导的主从复合句主句要求使用过去完成式。
Not only was he able to enter the final round of the contest, but he came out first as well.
No sooner had I got any chance to speak than the clerk slammed the door in my face.
Seldom does he travel about.
一些介词+no+名词的结构中需要用部分倒装，这些结构包括at no time; by no means; by no manner of means; for no reason; in no case; in/under no circumstances; in no sense; in no way; on no account; on no consideration; at no point
Under no circumstances should you betray your own country.
only + 副词(when, before, if, after等)或only+介词状语(由in, under, by, on, after等引导)提前，必须部分倒装
Only then did he realize how stupid he had been.
Only through hard work can people achieve success.
副词提前倒装 often, such, so等副词提前，部分倒装。
So diligently did he work that he got high scores on the final exam.
当 as引导让步状语时，和although, though一样，当用作“尽管”之义时，可以用于部分倒装句。
Strange as it may seem, parents' attention sometimes hinders students' academic progress.
Hard as he worked, he did not pass the exam.