【备课精品】鲁教版八年级上册英语精品学案 Unit 3 What were you doing when the rainstrom came？__SectionA__Grammar-4c.docVIP

Unit3 SectionA Grammar-4c 精品学案 一.【学习目标】： 1. 能够熟记并正确使用下列单词和短语：have a look icy kid realize。 2. 继续学习如何正确使用过去进行时。 3. 能够理解并正确使用when 和while两个词。 4. 能够利用when和while描述自己的日常生活。 二.【预习内容】： 将下列单词和短语翻译成英语。 1. 拍照 2. ?弹钢琴 3. 打开收音机 ? 4. 买一个饮料 5. 看一看 ? 7. 醒来 ? 8. 帮助玛丽做作业 9.你开玩笑吧！ 三.课堂反馈 1）when和while讲解。 (1) 主句（过去进行时）＋ when + 从句（一般过去时） ■when表示“当……的时候”。从句中既可用延续性动词，又可用非延续性动词，这些动词既可以表示动作，又可表示状态，常跟一般过去时。 The boy was still sleeping when his mother got home yesterday morning. 昨天早上当她的母亲到家时男孩仍然在睡觉。 (2) 主句（一般过去时）+ while +从句（过去进行时） ■While表示“在……的时候”“在……期间”。while从句中必须是表示动作或状态的延续性动词，常跟过去进行时。 The weather was fine while we were in Beijing. 当我们在北京时天气很好。 （3）主句（过去进行时）+ while +从句（过去进行时） ■表示两个同时持续的动作。 I was doing my homework while he was listening to music. 我在做作业而他在听音乐。 2）when 与while 专题练习： （ ）1. When I got there, he ________ them to dance. A. is teaching B. teaches C. taught D. was teaching （ ）2. We were reading the newspaper _______ suddenly the light went out (熄灭)。 A. when B. while C. as D. / （ ）3. Newton was playing under an apple tree _________ an apple fell onto his head. A. after B. before C. when D. while （ ）4. What ______ when the earthquake happened on May 12th. A. are you doing B. were you doing C. do you do D. did you do （ ）5. My brother ______ while he _____ his bicycle and hurt himself. A. fell , was riding B. fell, rode C. is falling, rode D. had fallen, was riding 3）完成书上4a-4c 四、课后反馈。 1、when 和while 来填空。 (1)We were talking _____ the teacher came into the classroom. (2)I was doing my homework _____ my mother was cooking in the kitchen. (3) _____ the boy was walking in the street, a UFO landed in front of him. (4)_____ I saw the boy, he was talking on the phone. 2、用所给词的适当形式填空。 (1) Bob ____(play)computer games while his