初二年级下册状语从句.ppt

状语从句总结 状语从句主要用来修饰主句或主句的谓语 。一般可分为七大类，分别表示时间、原 因、目的、结果、条件、让步、比较。尽 管种类较多，但由于状语从句与汉语结构 和用法相似，所以理解和掌握它并不难。 状语从句的关键是要掌握引导不同状语从 句的常用连接词和特殊的连接词即考点。 现分别列举如下: 1时间状语从句(主将从现) 常用引导词：as, after, as soon as, before, since, until ,when ,whenever, while As he explored the sea, he took a lot of pictures. As soon as he arrived in France, he called me. He has been in Shanghai since he was born. Dont come in until you are called. Whenever were in trouble, hell help us. While I was watching TV, the bell rang. 2. 原因状语从句 常用引导词：because, since, as, for I didnt go surfing, because it was too cold. It must be morning now, for the birds are singing. Since he was busy, he didnt come. As the car is expensive, we cant buy it. 3 目的状语从句 常用引导词：so, so that, in order that 1. Well sit near the front so we can hear the speaker better. 2. He sat in the dark so that he couldnt be seen. 4 结果状语从句 常用引导词：so, so that, such that, 1. He was so weak that he couldnt walk on. 2. He got up so early that he caught the first bus. 3. Its such a good chance that we must not miss it. Complete the sentences with sothat and thewords in the box.(程度结果状语从句） afraid cold dark hungry late tired The train was so late that they missed their flight. 1. She was _ she couldnt get on the plane. so afraid that 2. They were _ they ate all the food. 3. It was _ they couldnt see where they were going. 4. They were _ they fell asleep immediately. 5. I was _ my face turned blue. so dark that so tired that so cold that so hungry that afraid cold dark hungry late tired 5 比较状语从句 常用引导词：as(so)as , than 等引导 1. She is not so(as) bad-tempered as her mother. 2. The house is three times as big as ours. 6 条件状语从句 (主将从现) 常用引导词：if, unless 1. Well start our project if the president agrees. 2. If you travel in India, you can use English everywhere. 3. I wont pass the exam unless I work hard. 7 让步状语从句 常用引导词：though, although, even though 1. Although the traffic was heavy, we got to the railway station on time. 2. Even though he is eighty, he looks strong and healthy. 3. The old man always enjoys swimming though the weather is rough. exercise I didnt learn to cook _ I left home. I didnt need to cook _ I lived at home, because my mother did all the cooking. I enjoyed her food, _ Im sorry that I didnt learn to cook. _ I moved away, I knew I had a problem. although, as, as soon as, but, since, sothat, until, when until when but As soon as _ I knew what I wanted to eat, I didnt know how to cook it. I got _ hungry _ I asked my mother to come to stay. _ she cooked my favorite food, she showed me what to do. Now, Im