2024年中职复习中职英语语法—状语从句课件

状语从句 状语是用来修饰动词，形容词，副词或句子的一种句子成分。它可以表示时间、地点、原因、目的、结果、条件、让步、比较、方式等。当充当状语的部分是一个句子时，也就是状语从句。 什么是状语从句？ I learn English everyday. I learn English when I finish my homework. 状语从句的分类 地点状语从句 时间状语从句 条件状语从句 原因状语从句 目的状语从句 方式状语从句 让步状语从句 结果状语从句 比较状语从句 地时条 原目方 让结比 时间状从—when/while/as When引导的时间状语从句: 1. 可以表示一个时间点，也可以表示一个时间段。 2. 从句可以用非延续性动词，也可以用延续性动词。 3. 既可与主句的动作同时发生，又可在主句的动作之前或之后发生。 When she came into my room, I was just reading a book. When she was making a kite, she cut herself carelessly. When I finished my homework, I went to play football. when+短动作(非延续性动词)→表示动作/时间点 when+长动作(延续性动词)→表示状态/时间段 when后跟的从句可用一般时态也可用进行时态，但是常用的是一般时态，主句的时态没有限制。 时间状从—when/while/as While引导的时间状语从句: 1. 表示一个时间段。 2. 从句用延续性动词。 3. 主从句动作同时发生。 While he was eating his breakfast, he heard the door bell rang. Some students were reading while others are writing. I went shopping while Linda cleaned the house. while+长动作(延续性动词)→表示状态/时间段 while后跟的从句常用的是进行时态，主句的时态没有限制。 时间状从—when/while/as As引导的时间状语从句: 强调伴随，同时发生 “一边一边” “随着” He hurt his leg as he was running for a bus. As you get better at the job, you will find that it becomes easier. 从短用when 从长用when/while 主从都长用while 一边一边找as 1. —What were you doing______the fire happened. —I was watching TV at home. A.if B.while C.when D.since 2. The boy_____his homework when his parents______in. A.was doing,were coming B.did,come C.did,were coming D.was doing,came 3. Mary was sitting in the living room,_____Jack was reading a magazine in his bedroom. A.until B.when C.if D.while 4. He saw the car accident_______he got off the bus. A.since B.as C.until D.while 5. —What were you doing______the storm came? —I was reading_______my mother was cooking. A.when;when B.while;when C.when;while D.while;while C D D C B 时间状从：till/until Please wait here till I come back. He worked until it was dark. not...till / until:直到...才 用于否定句时,主句的动作一般是短暂性的,它所表示的动作直到till或until所表示的时间才发生 He didn’t get up till his mother came in. He didn’t marry until he was thirty. till / until: 到.....为止 用于肯定句时,主句的动作一般是延续性的