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MBA考研英语：语法长难句之状语从句句型结构篇

一、理论常识

　　状语从句，属于副词性从句，简单说就是从句在句子中担任状语，分为时间、目的、地点、条件、方式、让步、比较、结果、原因9种状语从句。

　　时间引导词：

　　when , after , before , while , until , till , since , as soon as , everytime , the moment等

　　地点引导词：where , wherever等

　　原因引导词：because , since=now that , as等

　　条件引导词：

　　if , whether , unless , as long as ,on condition that , providing that等

　　结果引导词：so / such ... that , so等

　　目的引导词：in order that , so that等

　　让步引导词：

　　though , although , however , whatever=no matter what even if , even though , as (倒装) 等

　　方式引导词：as , as if等

　　比较引导词:

　　than , as ... as , the more ... , the more ... 等