第4讲 状语从句（讲义）-2021-2022学年初二英语八年级下册【教师免备课】专项培优（人教版）

( 第 4 讲 状语从句 ) 1、基本内容;状语从句是复合句中三大从句之一，按照初中英语教学大纲的要求是中招必考的三大从之一。主要考查状语从句的引导词（连词）以及状语从句的时态。 2、题型分布：状语从句主要在单项选择，完型填空和词语运用中直接考察，但在阅读、写作中都会涉及。 3、分值数据：在中招考试中直接考查本知识点所占分值大约为3-6分。 状语从句在初中年级学习分布如下： 状语从句组要集中在初二，也即八年级上下学期学习，在历年期中期末以及中招考试中，主要考察状语从句的连词和时态判定,也是中考必考考点。 Clap your hands拍手歌 播放歌曲，歌词如下： If you are happy and you know it, Clap your hands. Never be afraid to show it If you are happy and you know it, Stamp your feet. If you are happy and you know it, Wink your eyes. Never be afraid to show it 看着歌词，让学生跟唱。 学生在欢快的歌曲中，不知不觉地认识了状语从句。 状语从句总共有9种 when 和while 条件 主将从现 when 从过 so...that...和 连词辨析 状语从句 之时态 such...that... while 从过进 because , since since 从过，从现完 as 之分类 时间 条件 原因 结果 目的 让步 地点 比较 方式 状语从句的分类 分类 从句引导词 基本用法 例句 时间 状语 从句 when 当…的时候 主从动作同时发生或从句动作先于主句动作发生。 It was raining hard when we got to school. while 当…的时候 主从动作同时发生 While I was doing my homework，my mother was cooking. as soon as 一…就… 主从动作同时发生 He will call me up as soon as he gets there. till /until 一直到…; 直到…才… 主句谓语动词是延续性动词且主从都用肯定式“一直到…”主句谓语动词是非延续性动词，主否定从肯定“直到…才 I worked until midnight yesterday. He didn't get up until his mother came back. since 自从…以来 主句动作已经发生，并持续到某一时间，且还有可能持续下去 I have lived here since I was eight. before 在…以前 after 在…以后 表示两个动作一前一后发生 He had learned a little Chinese before he came to China. After he finished school, he went to work in the factory. 条件状语从句 if 如果… 表示假设的情况可能发生, 主将从现。 If it rains tomorrow, I will stay at home. unless 除非,如果不 表示否定含义，从句的谓动只能是肯定形式,符合“主将从现”。 We will climb the mountain unless it rains as long as 只要… 符合“主将从现”原则 As long as you don’t give up, you will s