九年级英语下册 Module 2 Environmental problems Unit 4 Natural disasters教案5 牛津深圳版.doc

unit 4 natural disasters课题unit 4 natural disasters课型grammar备课时间1 period教材分析教学目标1. use it as the empty subject.2. use it as the empty object.3. the other usages of it.教学重点work out the rule of using it as the empty subject &object.教学难点 work out the rule of using it as the empty subject &object.教学关键use it correctly in the real situation.教法与学法指导cooperation, self-study, discussion教学环节主要教学步骤或内容学生主体活动教师活动设计意图时间分配第一环节导入step: lead-inan oral practice.ss answer the questions:1. whats the weather like today?2. what is the time now?3. what is the date today?4. what is the season now?5. how far is your home from school?1. enable students to do a warming-up activity.1. to warm up and introduce “it”.5第二环节自学总结探究规则step: work out the rule 2. study the rule of it as empty subject.3. review the sentences and try to conclude: “it” is often used to refer to “the time, the season, the weather, the distance, the temperature”4. observe the three sentences and conclude it as the empty subject to replace a to-infinitive.5. study the rule of it as empty subject.2.lead ss to work in groups and find out all the rules. 3. help ss to work out the rule.4. help ss to use it correctly in the sentence patterns: it seems/ appears that2. cultivate ss ability of concluding3. cultivate ss ability of summarizing4.train ssability in observing and concluding.5第三环节课堂练习 step: developing. 5.finish exercises on p56 and report the answers.5. explain the task to ss and check the ss achievement.5. to develop ss understanding.第四环节课时小结step: show time:which group is the best?6. choose a leader to present the sentences they rewrite.e.g. to learn english well is not easy for him.to study two languages is very hard.to find out the truth is important.6. encourage ss to show their work.6. train ability of speaking and using the grammar.第五环节课后作业look up in a reference book to note down the r