1.下列否定词及含有否定意义的词组修饰状语时，若置句首，句子的主谓要部分倒装：never,no,neither,notonly,hardly,scarcely,little,seldom,rarely,notuntil,nowhere,atnotime,onnoaccount,innorespect,innosense,bynomeans,innoway,nolonger,noless,nomore,nosoonerthan,undernocircumstances,invain,stillless。
例如：Notonlyisitsdirectattackontheirdiscipline,itbypassestheessenceofwhatsociologistsfocuson.Undernocircumstancesshouldwedoanythingthatwillbenefitourselvesbutharmtheinterestsofthestate.
3.以下列副词或短语开头的句子，句子的主谓要部分倒装：often,so,well,tosuchadegree,tosuchanextent,tosuchextremes,tosuchapoint，manyatime。
例如：Soinvolvedwiththeircomputersdothechildrenbecomethatleadersatsummercomputercampsoftenhavetoforcethemtobreakforsportsandgames.
