(
课件网) 状语从句 初中语法 宾语从句,在复合句中起宾语作用的从句 一、状语从句 在复合句中作状语的从句叫作状语从句,根据其作用不同,分为九类状语从句。 人称代词是为了避免重复,用来代替前面提到过的人、事物等名词的词,主要包括“你、我、他,她/它、你们、我们、他们/她们/它们”等代词。人称代词有人称、单复数以及格的变化。 1、时间状语从句 1、when/ while/ as引导词: 连接词 意思 用法 例句 when 当......时 谓语动词可用延续性动词和短暂性动词 I t was raining when we arrived. while 当......时 谓语动词只用持续性动词 Dad was reading while mum was cooking. as 当.....时, 一边...一边... 强调主从句动作同时进行 I saw the sun as I opened the window. (时间状语从句用来表示主句动作发生的时间) 人称代词是为了避免重复,用来代替前面提到过的人、事物等名词的词,主要包括“你、我、他,她/它、你们、我们、他们/她们/它们”等代词。人称代词有人称、单复数以及格的变化。 1、时间状语从句 2、until/ till 引导词: ① until和till意为“直到”,很多时候可以互换,但是用于句首的时候,常用until。 Until you get back, I will sit here. ② 【拓展】not until置于句首,主句要用倒装结构。 Not until the film began did she arrive. ③ 在肯定句中,谓语动词用延续性动词: I will wait until/ till you come back. ④ 在否定句中,谓语动词用短暂性动词: I won’t leave until/ till you come back. 人称代词是为了避免重复,用来代替前面提到过的人、事物等名词的词,主要包括“你、我、他,她/它、你们、我们、他们/她们/它们”等代词。人称代词有人称、单复数以及格的变化。 1、时间状语从句 3、as soon as 引导词: as soon as意为“一......就......”,引导的时间状语从句一般用“主将从现”、“主过从过”。 He will come and see you as soon as he can. (主将从现) The students became quiet as soon as the teacher came in. (主过从过) 4、since 引导词: since意为“自从......以来”,常与现在完成时连用,since引导的从句用一般过去时。 My grandma has lived here since she was a little girl. 人称代词是为了避免重复,用来代替前面提到过的人、事物等名词的词,主要包括“你、我、他,她/它、你们、我们、他们/她们/它们”等代词。人称代词有人称、单复数以及格的变化。 1、时间状语从句 5、before/ after 引导词: ① before意为“在......之前”,引导的时间状语的动作,发生在主句动作之后。 Before I go to bed, I always brush my teeth. ② after意为“在......之后”,引导的时间状语的动作,发生在主句动作之前。 After the rain stopped, we went down the mountain. 练一练 1. — Learning to love is like learning to walk. —Yes, ____ we step out bravely, we can find it easy. A. although B. when C. unless 2. They have been friends _____ they first met. A. since B. while C. before D. after 3. He was so tired that he fell asleep _____ he went to the bed. A. as if B. even though C. ever since D. as soon as 一、单项选择题。 B A D 人称代词是为了避免重复,用来代替前面提到过的人、事物等名词的词,主要包括“你、我、他,她/它、你们、我们、他们/她们/它们”等代词。人称代词有人称、单复数以及格的变化。 1、if 引导词: ① if 意为“如果”: If you get up late, you will miss the train. 2、as/ so long as 引导词: as/ so long as意为“ ... ...