Unit 5 Nature’s temper Section A Grammar Focus(4a-4d)教学设计（表格式）人教版（新教材）八年级下册

授课时间： 年 月 日
课题 Unit 5 Nature’s temper Section A Grammar Focus(4a-4d) 课型 新授课 （听说） 第 4 课时
学习 目标 学生能够结合例句识别when和while 引导的时间状语从句，理解其表意功能；能够区分他们的用法。(学习理解） 学生能够运用过去进行时完成练习题（应用实践）
3.学生能够理解并运用关于健康建议的英文表达。（应用实践） 4.能够了解龙卷风的相关知识以及应对措施，同时体会语篇中灾难无情人有情。 思政教育：灾难无情人有情。
学习 重点难点 重点:掌握过去进行时和when 和while用法,并能在语境中正确运用。
难点:准确理解语境,选择合适的词汇完成句子和短文,并能进行相关情景的口语表达。
教学资源准备 多媒体
学习活动设计 设计意图及二次备课
Step 1 Lead-in 1.Ask them to finish 1a,and ask them to pay attention to the word before or after these sentences. 2.Ask them to say the structure of the past continuous tense. 过去进行时就是表示在过去某一时刻或某一段时间正在进行的动作。 Structure : 主语+be (was/were)+doing 否定句：主语+be (was/were)+not+doing 一般疑问句：Be/(was/were)+主语+doing I was travelling on the train . I was not travlling on the train. Were you travelling on the train Yes , I was ./No, I wasn’t . 3.Ask them how to use“while ”and“ when” when + 一般过去时（短动作）/过去进行时 表示：正在做某事，这事突然,后面可接延续性动词和非延续性动词 I was reading when the phone rang. while + 过去进行时， 表示：两个动作同时都在进行或后面只跟过去进行时，只能时延续性动 例句：While I was reading, he was sleeping. Whlie 后必须跟进行时，when 后可跟进行时，也可跟过去时，如果主句和从句都是过去进行时就只能用while Step 2 Work on 4b 1.Ask the studemts to read the sentences and know the meaning of the sentences . 2.Ask them to finish 4b 3.Check the answers together . Step 3 Work on 4c Ask them to finish 4c. Check the answers. Ask them to read 4b and answer some questions . .What disaster is it What is it like .What were Jenny’s family doing when the disaster came .What did they do after the disaster Ask them to check the answers. Step 4 Work on 4d Imagine that you are a reporter .Interview a member of Jenny’s family and find out what he or she was doing around the time of the tornado. A:What were you doing when the tornado hit B:My family and I were hiding in a safe room . A:What were you doing while you were waiting there B:Oh,while I ... 设计意图：通过观察和感知过去进行时的结构以及过去进行时的肯定句和否定句。以及时间状语while 和when 的用法。 能够让学生对所学的when 和while 根据不同的语境合理正确的使用。培养学生的学习英语知识的应用能力。 进一步加强对所示知识的灵活使用能力。以及让学生了解海啸的威力，让学生们体会在自然灾害面前人类的渺小和人类友情。 口语输出，培养学生的口语能力和对所学知识的运用能力。
板书设计 Unit 5 Nature’s temper Section A Grammar Focus(4a-4d) 过去进行时 主语+be (was/were)+doing 否定句：主语+be (was/were)+not+doing 一般疑问句：Be/(was/were)+主语+doing I was travelling on the train . I was not travlling on the train. Were you travelling on the train Yes , I was ./No, I wasn’t .
作业 A:总结过去进行及while 和 when 的用法。 B:尝试描述另你们一家人至今难忘的事发生时，你们家人的活动。