2023年中考英语状语从句讲解和练习课件

状语从句讲练 状语从句(the adverbial clauses 状语从句(the adverbial clauses 概述: 一个从句用来作状语,表示时间,地点,条件, 方式, 原因,结果, 让步, 比较,目的等.这样的从句叫状语从句. I. 时间状语从句( time clauses) 引导时间状语从句的从句属连词有 when , whenever , while , as , before , after , till (until ) , since , once , as soon as 等. 除些外还有可以由 every time , by the time ; the first time ; the moment (instant , minute,) , no sooner -than- ; hardly (scarcely ) … when …;immediately, directly; on +doing; at + 名词 等 引导. Eg: Mother was worried because little Alice was ill , especially _ Father was away in France . A as B that C during D if 题干中需要引导时间状语从句的从句从属联词,故A 为正确答案, as 在此等于when /while . as , when , while 当… …时的区别. 在引导时间较长的“背景”时,可通用. As (when, while ) I was walking down the street , I noticed a police car in front of No.37. As means ①at the same time that- 尤指两个动作或两个事件同时发生. They talked as they walked. As I worked , someone came near. as ②可以说明两 种正在变化或发生的情况. As I get older , I get more optimistic (乐观的). ③ 主从句中 都是终止性动词时, as = when , He came just as (when ) I reached the door. “when” means ①during the time = while ② at the moment 不可与 while 或as 互换. When he arrived , we were having supper. ③ when 从句当主句的动作先后发生时, 不可与as , while 互换。 When we had shut the windows , we went home. (4) 固定句型:be about to de/ be doing … when … while 在引导让步状语从句, 和表示对比关系或条件关系时 While respected, he is not liked .( while= although) He is a doctor while I am a teacher (while = but ) 但是,然而,while there is water , and air ,there will be life . (while =as long as 只要) Practice A. when B. while C. as Tom hurt his leg _ he got off the bus. Father was cooking _ mother was watching TV. _ you are tired, you had better rest. Rich _ he is, he is not happy. _ he had finished his work, Tom was allowed to watch TV. _Jane was young, she really knows a lot. John gets more mature _ time goes by. _ Li lei had expected, he was admitted into a key university. Please do the experiment _ your teacher tells you to . She was about to answer the door _ it was forced open. Tom was speaking ill of his teacher _ the door