2024年中考英语状语从句课件

状 语 从 句 状语从句 状语：修饰动词、形容词、副词或整个句子。 状语从句：当状语为句子时，一般可以用来表示时间、地点、原因、结果等概念。 Jim joined the army in 1989. Jim joined the army when he was 20. He learned English in America. He learned English where he lived . I will help you if you ask me. He wears a T-shirt though it is cold. 状语从句 时间状语从句 时间状语从句 引导词：when、while、before、after、as soon as、since、until 1. when 当...时 从句的谓语动词可以是延续性动词，也可以是瞬间性动词 I will call you when I get home safely. （主将从现） When I came into the room, he was writing a letter 时间状语从句 时间状语从句 引导词：when、while、 before、after、as soon as、since、until 2. while 在某一段时间里、在…期间，while引导的动作必须是持续性的 She was singing while I was dancing. 区分when和while when 引导的时间状语从句，谓语动词既可以是持续性的，也可以是短暂性的 while引导的时间状语从句，谓语动词只能是持续性的，并且常用进行时态。 When he woke up, it was eight o’clock. √ While he woke up, it was eight o’clock. × When I was waiting for a bus, I met her. √ While I was waiting for a bus, I met her. √ while 表转折对比，意思是“然而” 时间状语从句 时间状语从句 引导词：when、while、before、after、as soon as、since、until 3. since 自从… 主句常用现在完成时，从句常用一般过去时 He has lived here since he came to Shanghai 4. as soon as 一…就 若主句用一般将来时，从句常用一般现在时表将来 （主将从现） I will call you as soon as I get home safely 时间状语从句 时间状语从句 引导词：when、while、 before、after、as soon as、since、until 5. before 在...之前 It will be one week before they travel to the UK. The film had been on before we got there. 6. after 在...之后 I will visit my grandparents after I finish the work. They went home after they had cleaned the room 时间状语从句 时间状语从句 引导词：when、while、 before、after、as soon as、since、until 7. until 直到... She waited until the bus came at last. 8. not…until… 直到……才…… She won't go home until she finishes her work. (主将从现) 重难点 在时间状语从句中，when、as soon as 、not ...until 遵循主将从现的原则 ---Don’t forget to ask him to write to me. ---I won’t. As soon as he _________, I’ll ask him to write to you. A. will come B. came C. comes D. is coming I will tell her the news when she_____. A. comes B. will come. C. come D. would c