狀語從句主要用來修飾主句或主句的謂語.一般可分為九大類,分別表示時(shí)間、地點(diǎn)、原因、目的、結(jié)果、條件、讓步、比較和方式.
1． 時(shí)間狀語從句
常用引導(dǎo)詞：when,as,while,as soon as,while,before,after,since ,till,until
特殊引導(dǎo)詞：the minute,the moment,the second,every time,the day,the instant,immediately ,directly,no sooner … than,hardly …when,scarcely … when
2． 地點(diǎn)狀語從句
常用引導(dǎo)詞：where
特殊引導(dǎo)詞：wherever,anywhere,everywhere
3． 原因狀語從句
常用引導(dǎo)詞：because,since,as,since
特殊引導(dǎo)詞：seeing that,now that,in that,considering that,given that,considering that,inasmuch as,insomuch as
4． 目的狀語從句
常用引導(dǎo)詞：so that,in order that
特殊引導(dǎo)詞：lest,in case,for fear that,in the hope that,for the purpose that,to the end that
5． 結(jié)果狀語從句
常用引導(dǎo)詞：so … that,so… that,such … that,
特殊引導(dǎo)詞：such that,to the degree that,to the extent that,to such a degree that,
6． 條件狀語從句
常用引導(dǎo)詞：if,unless,
特殊引導(dǎo)詞：as/so long as,only if,providing/provided that,suppose that,in case that,on condition that
7． 讓步狀語從句
常用引導(dǎo)詞：though,although,even if,even though
特殊引導(dǎo)詞：as(用在讓步狀語從句中必須要倒裝),while ( 一般用在句首 ),no matter …,in spite of the fact that,while,whatever,whoever,wherever,whenever,however,whichever
8． 比較狀語從句
常用引導(dǎo)詞：as(同級(jí)比較),than(不同程度的比較)
特殊引導(dǎo)詞：the more … the more … ; just as …,so…; A is to B what /as X is to Y; no … more than; not A so much as B
9． 方式狀語從句
常用引導(dǎo)詞：as,as if,how
特殊引導(dǎo)詞：the way