高考英语语法【状语从句】易错点30题精讲练解析版 专题十三 状语从句易错点集锦 一.时间状语从句的易错点 连接词 用法 例句 when, while, as when 既可表示时间段,也可表示时间点,表示主句和从句的动作同时发生或从句的动作先于主句的动作发生 When she came in, I stopped eating. When I lived in the countryside, I used to carry some water for him. while 强调主从句的行为或状态同时发生或存在,从句用延续性动词 While my wife was reading the newspaper,I was watching TV. as 通常和 when 通用,另外它还表示“随着······,一边······一边······” You can feel the air moving as your hand pushes through it. Our headmaster laughed as she spoke. before 表示“在······之前,还未······就······,还没来得及···就···” Einstein almost knocked me down before he saw me. My father had left for Canada just before the letter arrived. They had not been married for four months before they were divorced. It will be/was+时间段+before 表示“多久之后才······” It will be four days before they come back. since since 从句中的谓语动词一般是非延续性动词,主句的谓语动词用完成时 I have been in Beijing since you left. 用在“It is+时间段+since...”中,表示“自从······以来已经多长时间了”;since从句中的动词如果是延续性的,则理解为“某一动作已经结束多久了” It is three years since he began to smoke. It has been/is three years since we met last time. until/till 用于肯定句,表示主句谓语动词的动作一直持续到某一时间为止 We shall wait until/till he comes back. Everything went well until/till.that accident happened. 用于否定句,构成not...until句型,意为“直到······才·····” I didn't go to bed until-I finished my homework. I didn't leave until/till she came back. not until 置于句首,主句用部分倒装语序 Not until she stopped crying did I leave. 用于强调句型:It is/was not until...that... It was not until the meeting was over that he began to teach me after ...之后 After we had finished the work, we went home once 一旦... Once you start,you will never give up. whenever 无论何时 You are always welcome whenever you come. as soon as, immediately, instantly, directly, the minute/ moment 充当连词引导时间状语从句,表示主从句的动作同时发生,意为“一··就···...” As soon as I reach Canada, I will ring you up. They phoned her immediately they reached home. He said he'd turn on TV the moment he got home. no sooner... than, hardly/ scarcely... when 意为“刚......就......",no sooner, hardly, scarcely 后用过去完成时,than, when后用一般过去时;no sooner, hardly, scarcely 置于句首时,主句要部分倒装 He had hardly fallen asleep when he felt a soft touch on his shoulder. He had no sooner arrived home than he was asked to start on another journey. No sooner had the sun shown itself above the horizon than he got out of bed to commence work. Hardly had I sat down when he stepped in. each time, every time, any time, the first/last time 用作连词,引导时间状语从句,分别意为“每当·.....”,“每次······”,“任何时刻”,“第一次/上一次·····.” Each time he ca ... ...
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