状 语 从 句状语从句在句中相当于副词做状语, 又叫副词性从句。状语从句分为时间状语从句、条件状语从句、地点状语从句、原因状语从句、目的状语从句、让步状语从句、结果状语从句和 比较状语从句。掌握状语从句应当引导词入手，注意引导词的词义,引导状语从句的引导词都有词思,所以,了解引导词的意思尤为重要。引导词按意义分为九类:1) 时间 when , as , while , till , until , before , after , since 2) 地点 where 3) 原因 because , as , since , now that 4) 条件 if , unless , once . so (as) long as . in case 5) 让步 though , whatever (--ever ) as , even though , even if 6) 目的 so that , in order that 7) 结果 so ... that 8) 比较 than , as .. as 9) 方式 as , as if 例如: 1． I fell asleep when ( as , while ) he was doing his exercises . 他正作练习时我睡着了。（时间状语从句）2． When he arrived in Shanghai , his mother met him at the station . 他到上海时，他妈妈到车站接他。（时间状语从句）3． She always sings as she walks . 她总是一边走一边唱。（ 时间状语从句）4．I waited until he had finished his work . 我等到他做完活。（时间状语从句）5．It was not long before he told me about this affair . 不久，他就告诉我这件事。（时间状语从句）6．He has worked very hard since he entered the factory . 自从他进厂，工作一直很努力。（时间状语从句）7．After he had finished the work , he went home . 他干完活，回家了。（时间状语从句） 8．Where there is a will， there is a way . 有志者，事竟成。（地点状语从句）9．She didn't come to school because she was ill . 她由于有病没来上学。（原因状语从句）10．As he did not know much English , he looked up the word in the dictionary . 由于他不懂什么英语，所以查字典。（原因状语从句）11．Now that ( Since ) I've told you twice , you must know it . 既然我告诉你两次了，你必须记住。（原因状语从句）12．Once he says that , he will do it . 一旦他说了，...
