(
课件网) 状语从句综合讲练 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. 除此之外还有可以由 every time , by the time ; the first time ; the moment (instant , minute,) , Nosooner…than…; hardly(scarcely)… when …; immediately, directly; on +doing; at + 名词 等 引导. 状语从句(the adverbial clauses 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 met Li Ming. As means ①at the same time that… 两个动作或事件同时发生. 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：had done/be about to do/ 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，不与as或when互换 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) Practise A. when B. while 填空 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 is young, she really knows a lot. John gets more mature _____ time goes by. when when when while as while as Practise A. when B. while C. as 8.____Li lei had expected, he was admitted into a key university. 9.Please do the experiment _____ your teacher tells you to . 10.She was about to answer the door _____ it was forced open. 11.Tom was speaking ill of his teacher _____ the door opened and in came his teacher. when when As as 表示：“ 一 … … 就… …” (1).hardly (scarcely) … when (before) …; no sooner … than …; (2). as soon as … the moment (instant , minute, second) (3).immediately, directly; instantly (4).on +doing; (5)at + 名词 等 引导. (6) once, 一旦…；每当… 那个失踪的孩子一见到她的妈妈就大哭起来。 The missing child had hardly seen his mother when he burst into tears. No sooner had the missing child seen his mother than he burst … … The missing child burst into tears as soo ... ...
