8BUnit3Grammar1电子教案.doc

课题牛津英语8B Unit3 Grammar(1)日期课型new教学目标1. To know the differences between the simple past tense and the present perfect tense.2. To be able to use the correct tense in different situations.教学模块操作要点前端学习任务设计：1. To compare two tenses and conclude thedifferent time adverbials.2. To complete exercises to know the usage of two tenses.1. To read the explanation on Page134-135 and try toconclude the difference2. To encourage students tofind out the time adverbialswhen they want to use thecorrect tense. 展示评价1.教师必须关注的学科知识要点：1). To compare the differences between the simple past tense and the past perfect tense. Give students more sentences to compare.2). To find out the structure of the past perfect tense.n Pay attention to the three situations of the past perfect tense.l We use past perfect tense to talk about an action that started in the past and continues to the present.l We use past perfect tense to talk about an action that happened in the past and has a connection with the present.l We also use past perfect tense to talk about how many times an action has happened till now.n Pay more attention to the adverbials of time used in past perfect tense. 3. Complete P41/A4. Complete P42/B,C,D5. Conclusion1. To ask students pay attention to the adverbials of time.2. To discuss before showing. Try to remember the examples of the three situations. Encourage students to underline the adverbials of time used in past perfect tense. Encourage students to work in pairs and find out the best way to use the two tensescorrectly 整理巩固知识结构图（教师）：Past perfect tensel what it is(three situations)l the structurel the adverbials of timethe present perfect tense tensel what it isl the structurel the adverbials of timeMake the chart clear and easy to understand and remember. 小结（学生）：1) 一般过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。2) 现在完成时可表示持续到现在的动作或状态，动词一般是延续性的，如：live, teach, learn, work, study, know。一般过去时常用的非持续性动词有come, go, leave, start, die, finish, become, get married等。3) 一般过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语：yesterday, last week, ago, in 1980, in October, just, now等，皆为具体的时间状语。To use what they have learned in this lesson.反馈练习： Complete the exercises on Page 28-29.1. Try to work in pairs and check in pairs before showing and the teachershould check them.2. To make sure that students can conclude what they have learned in this class and know when and how to use past perfect tense.课后反思Unit1,Unit2