2021-2022学年初中英语九年级全册人教新目标版 Unit6 SectionB 3a-SelfCheck教案.docx

Section B (3aSelf Check)学习目标复习前面几个课时学过的重点单词、短语和句型。学习重点一般过去时态的被动语态学习难点灵活运用一般过去时态的被动语态自主学习复习学过的重点单词、短语和句型课堂学习Step 1情景导入Teacher： Do you have something that you do not like to do? If you do, why not think of an invention that could help you? Now please talk to your partners about your problems and the inventions.环节说明：以3a的问题为导入问题，自然引出3a的学习，简单明了，同时小组内的互 相交流更是练习了学生的口语表达能力，而且还降低了学生完成3a的难度。Step 2完成教材3a3b的任务1 .你有不喜欢的东西吗？你能想出一个创造来帮助你吗？和你的伙伴交流，然后把3a 表格填写完整。（3分钟）2 .根据3a中填写的内容及3b中的提示写一篇短文，向大家描述你的新创造。（5分钟）3 .完成写作后小组内互相交流纠错，借鉴好词好句，教师批阅点拨。（10分钟）参考案例we often get hurt by the hot water in the cup. So we invented a special cup. This special cup was invented by Ma Peng. It is made of metal and there is a special machine in it. If you want to drink water, you can turn on the button, the machine wi 11 work, and the cup can tell you the temperature of the water so that you will not get hurt when you drink water. If you don，t drink water, you can turn off the button again. This kind of cup have different shapes and colors, you can choose freely.环节说明：通过这个教学环节，锻炼了学生的总结能力和口语表达能力。Step 3完成教材Self Check的任务.两人一组互相提问Self Check 1的单词，然后用这些单词的正确形式完成填空。1 .把Self Check 2中的主动语态的句子改写成被动语态的句子，完成后小组内互相交 流所写答案。（3分钟）2 .找出你更想了解的一项创造，根据提示在横线上填写相关内容。（3分钟）环节说明：通过这个环节的学习让学生熟练掌握了一般过去时态的被动语态。Step 4问题探究（ ）L The mobile phone has influenced people，s life a lot since it.A. inventsB. inventedC. is invented D. was invented答案选择D,句意：自从手机创造后，它在很大程度上影响了人们的生活。since后面 跟一般过去时，手机与动词invent在逻辑上是被动关系，所以用一般过去时的被动语态。