专题07 重点语法知识梳理三：状语从句及拓展专练50题-2022-2023学年八年级英语下学期期末考点大串讲（牛津上海版）

专题07 重点语法知识梳理三：状语从句及拓展专练50题 Grammar1：状语从句 Ⅰ.概念 用来修饰主句中的动词，副词和形容词的从句叫状语从句。根据其含义状语从句可分为时间状语从句，地点状语从句，条件状语从句，原因状语从句，结果状语从句，比较状语从句，目的状语从句，让步状语从句。 结构： ①主句+从属连词+从句 Mum was cooking in the kitchen when I got home. ②从属连词+从句+逗号（，）+主句 When I got home, mum was cooking in the kitchen. Ⅰ.状语从句分类 状语 从句 类别 连接词 1 条件 You can not succeed unless you work hard. 2 时间 Mary was reading when I left. 3 原因 Let’s stay inside, for it’s raining hard outside. 4 目的 Speak more loudly so that I could hear you. 5 结果 He got up so late that he missed the first class. 6 让步 Although you work very hard, you make very slow progress 7 比较 I can play basketball as well as you do. 8 *地点 Where there is a will, there is a way. 1. 时间状语从句 从属连词 常用时态 例句 when 主（将）从（现） I will call you when I get home safely. 主（过进）从（过） Many people were sleeping when the earthquake happened. 主（过）从（过） He was happy when he heard the good news. 主（现）从（现） We must be careful when we cross the road. 主（过完）从（过） The car had gone away when I arrived at the station. while/ as 主（进）从（进） She was singing while I was dancing. as soon as 主（将）从（现） I will call you when I get home safely. 主（过）从（过） I saw him as soon as I entered the room. before 主（将）从（现） It will be one week before they travel to the UK. 主（过完）从（过） The film had been on before we got there. after 主（将）从（现） I will visit my grandparents after I finish the work. 主（过）从（过完） They went home after they had cleaned the room. since 主（现完）从（过） He has lived here since he came to Shanghai. until 主（将）从（现） She won’t go home until she finishes her work. 主（过）从（过） She waited until the bus came at last. 2. 条件状语从句 从属连词 常用时态 例句 if 主（将）从（现） We will have a picnic if it is fine tomorrow. unless 主（将）从（现） He won’t pass the exam unless he studies hard. 常见句型转换题： If...not = unless,在句型转换题中，if （如果）常常和unless（除非）and（那么）或or（否则）互换。 If you don’t get up early, you will fail to catch the bus.(保持句意不变） = You won’