时间状语从句

常用引导词：when、as、while、as soon as、before、after、since、till、until

特殊引导词：the minute、the moment、the second、every time、the day、immediately、directly、no sooner…than(一……就……)、hardly…when(刚一……就……)、scarcely…when(几乎没有…的时候)

地点状语从句

常用引导词：where

特殊引导词：wherever、anywhere、everywhere

原因状语从句

常用引导词：because、since、as、for

特殊引导词：seeing that、now that、in that、considering that、given that

结果状语从句

常用引导词：so…that、such…that

特殊引导词：such that、to the degree that、to the extent that、to such a degree that

目的状语从句

常用引导词：so that、such that

特殊引导词：to the degree that、to the extent that、to such a degree that、in order that

条件状语从句

常用引导词：if、unless、whether(whether…or not)

特殊引导词：as/so long as、only if、providing/provide that、supposing that、in case that、on condition that

让步状语从句

常用引导词：though、although、even if、even though

特殊引导词：as(用在让步状语从句中必须要倒装)、while(一般用在句首)、no matter…、in spite of the fact that、whatever、whoever、wherever、whenever、however、whichever

方式状语从句

常用引导词：as、as if、how

特殊引导词：the way

比较状语从句

常用引导词：as(同级比较)、than(不同程度的比较)

特殊引导词：the more…the more…、just as…、so…、A to B is what/as C is to D、no…more than、not so much A as B