2022-2023学年外研版英语九年级上册 状语从句精讲精练

九年级上册语法专题：状语从句 · 知识精讲 Part I 状语从句的分类 按照在句中的作用，状语从句通常分为八大类： 时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句、比较状语从句、让步状语从句。 Part II 状语从句的用法 状语从句 连接词 例句 时间状语从句 从 属 连 词 when, while, as, before, after, as soon as, until, till, since 等引导。 While we were still laughing，the teacher came in. When I stopped my car，a policeman came up to me. 地点状语 从句 where, wherever Where I live there are many trees. Wherever I am I will be thinking of you. 原因状语从句 because, since, as I didn’t take part in the maths exam because I wasn’t sure of myself. Since/As the weather is so bad, we have to stay at home. 比较状语 从句 than, as...as…, not so/as...as… He does not work as hard as his brother. It’s not as easy as you think 初中语法知识点精讲—九年级上册 条件状语 从句 if, unless（=if...not） He will go to Beijing if he is free. You will fail the test unless you study hard. 结果状语从句 that, so...that...或者 such…that... 主要句型： ①...so+形容词/副词+that 从句 ②...such+a/an+形容词+可数名词单数+that 从句 ③...such+形容词+可数名词复数/不可数名词+that 从句 ④...so+形容词+a/an+可数名词 单数+that 从句 He ran so fast that nobody caught up with him. Edison was such a great inventor that everybody knows him. They are such smart children that we all like them. She is so cute a girl that I can’t forget. 让步状语从句 though, although Although I don’t have much money, I live a happy life. 目的状语从句 that, so that, in order that He waters the flowers every day so that he can grow well. ( 注意 ) 1. 让步状语从句中，although/though 与 but 在句中不能同时出现。 2. that, so that 可以引导目的状语从句，也可以引导结果状语从句。 区别：目的状语从句中的谓语动词前通常含有 may，might，can，could，would 等情态动词，而结果状语从句中则没有。 · I get up late so that I miss the early bus. · She helped me a lot so that I can passed the exam easily. Part III 时间状语从句中的注意事项一 when，while，as 的区别 when when 从句中的谓语动词可以是延续动词也可以是终止性动词 （短暂性动词），从句的动作发生在主句动作前、后或与主句动 作同时发生。 When he was seven years old, he could swim. while while 从句中的谓语动词是延续性动词，主、从句动作同时发生。 While my wife was reading the newspaper, I was watching TV. as as 从句中的谓语动词可以是延续性动词，也可以是终止性动词 （短暂性动词），强调从句的动作伴随着主句的动作发生。可译