初中英语状语从句教学课件1.pptVIP

状语从句Ⅰ 1. What is it? 用来修饰主句或主句的谓语 2. what are the sorts? 时间状语从句 条件状语从句 地点状语从句 原因状语从句 让步状语从句 目的状语从句 结果状语从句 比较状语从句 1. 时间状语从句 ? ? ? 时间 状语从句 ? ? ? 关联词 as/when/while; after; before; since; till/until; whenever; no sooner … than / hardly … when 副词 immediately; 名词 短语 the moment; the minute; the second; each (every) time; the day (year); next time; the first (second /last ) time; by the time Examples: When/As/While he was eating his breakfast, he heard the door bell. It has been two years since I came to Beijing. Whenever we met with difficulties, they came to help us. I got in touch with him immediately I received his letter. My sister came the moment she got my message. Every time I catch a cold, I have pain in my back. 从句动词为非延续性动词: The boy cried when he saw his mother. 从句动词为延续性动词: while强调“在……的同时” as强调“伴随”的状态，“一边…一边…” Tom fell asleep while Jerry was giving a lecture. He sang as he went along． 辨析：when / while / as when while, as , when均可 时间状语从句的破题方法 判断主句和从句动作的延续性 非延续性：when 延续性：when, while, as 同时 while 伴随 as 1. He transplanted the little tree to the garden ____ it was the best time for it. （2007上海） A. where B. when C. that D. until 2. — Are you ready for Spain? — Yes. I want the girls to experience that ____ they are young. (2008上海) A. while B. until C. if D. before 真题演练 （1）until/till 延续性动词+肯定语气：到……为止 e.g. Walk till you come to a white house. 非延续性动词+否定语气：到……才开始 not…until e.g. We didn’t begin our discussion until he came back. 其他引导词： 真题演练 1. A good storyteller must be able to hold his listeners’ curiosity _______ he reaches the end of the story. （2003上海） A. when B. unless C. after D. until 2. My uncle ___ until he was forty-five.（2000上海） A. married B. didnt get married C. was not marrying D. would marry (2) once, the moment, as soon as 表示“一…就…” e.g. Once he goes, we can clean up. (3) before, after 表示时间的先后 e.g