人教版八下-Unit 10 I 've had this bike for three years.-Section A Grammar focus 4a—4c-教案、教学设计-市级优课-(配套课件编号：704cf).doc

1、1 Unit 10 Ive had this bike for three years. Period 3 Section A (Grammar Focus-4c) Teaching Goals Language goals 1. Key words: hometown 2. Key sentences : The sentences in Grammar Focus. 3. Ss will learn new grammar structure: The present perfect tense ( have/has+ P.P) Ive had this magazine for a co

2、uple of months. Ive had them since I was a child. Ability goals 1. Consolidate the target language in Grammar Focus. 2. The students can use the present perfect tense ( have/has+ P.P) 3. Ss can use the new structures to talk about their possessions and things around them; 4. Ss can improve their spe

3、aking ability. Emotion and Attitude goals Practice makes perfect. Teaching Points and Difficulties Teaching Points 1. Master the new words, phrases and key sentences in Grammar Focus. 2. Review the tense and structures learned before. 3. Develop students integrated skills. Teaching Difficulties Revi

4、ew the tense and structures in Grammar Focus. Teaching Methods 1. Consolidate the target language and grammar through some practice. 2. Autonomous and cooperative approach. Preparation before the period Teachers preparations: A projector. Students preparations: Students preview Grammar Focus-4c in S

5、ection A. Teaching Procedures Step 1 Lead in Greet the students as usual. Step 2 Presentation and Practice Explain the present perfect tense. Work on Grammar focus. Tell students to read the sentences in Grammar Focus together and try to translate them into Chinese. Also, pay attention to the differ

6、ences between the present perfect tense and simple past tense. Then explain the differences about “how long, how soon, how often and how far” 现在完成时: 现在完成时表示从过去一直持续到现在的动作或状态，并可能还将持续下 去。简称“延续用法”. 此用法需注意两点： 1）常与 for, since 引导的时间状语连用. 2）动词使用延续性动词。因为瞬间动词在肯定句、疑问句中不能和时间段连用. since , for 的用法: since: (自自以来以来)

7、 1)since+时间点时间点 He has stayed here since 5 oclock. 2)since+ 时间段时间段+ ago He has stayed here since 5 hours ago 3)since+ 从句从句(句子要用一般过去时态）句子要用一般过去时态） She has taught English since he came here. for: （长达）（长达） for+ 时间段时间段 He has kept the book for 2 weeks. 2 在现在完成时态中，for 与 since 引导的时间状语可以相互转换。 since一段时间agof

8、or时间段 e.g. since two weeks ago=for two weeks; I have kept the library book for a week.= I have kept the library book since a week ago. 歌诀歌诀：含有含有for，since的现在完成时的用法歌诀的现在完成时的用法歌诀:过去的动作或状态过去的动作或状态，一直持续到现在一直持续到现在， for、since把时间带把时间带. 用用 for 和和 since 填空。填空。 _three hours _three oclock _a long time _1997 _tw

9、o weeks _three years ago _ last month _a week _two days _yesterday afternoon _I came here _last Sunday 在现在完成时中短暂性动词在肯定句在现在完成时中短暂性动词在肯定句、疑问句中不能与时间段连用疑问句中不能与时间段连用。为了表述这种意思为了表述这种意思， 我们常将短暂性动词转变成相应的延续性动词来代替非延续性动词，或变成：我们常将短暂性动词转变成相应的延续性动词来代替非延续性动词，或变成：It is + 时间时间 段段 +since +一般过去时的句子一般过去时的句子. 常见非延续性动词和延续

10、性动词的转变常见非延续性动词和延续性动词的转变 第一类：短暂动词第一类：短暂动词be + adj. diefinish open/close fall ill/asleep marry sb/get married to 第二类：短暂动词第二类：短暂动词be + 介词介词. start/begin leave join 第三类：短暂动词第三类：短暂动词另一个动词另一个动词 buy borrow become put on Let the students make notes and present a form on the big screen and then let the stude

11、ntstry remembering the changes of the verbs . Task 1 Test A: How long have you studied in this school? B:I _ _(study)in this school for 2 years. =I _ _(study)in this school _2 years_. It is two years_ I studied English. Task 2 Lets practice! 1. Turn to Activity 4a: Rewrite the sentences using for or

12、 since. Then let several students report their answers. 2. Turn to Activity 4b: Fill in the blanks with correct forms of the verbs in brackets. Then answer and check together. Exercise 1 1.他的爷爷已经去世 2 年了。 2.Nick 参军 3 年了. 3.他离开深圳好长时间了。 4.这本书我已借了 4 个月了. Exercise 2 It is + 时间段时间段 +since +一般过去时的句子一般过去时的句

13、子 1.他的爷爷已经去世 2 年了。 2.Nick 参军 3 年了. 3 3.他离开深圳好长时间了。 4.这本书我已借了 4 个月了. Step 4Summary Ive had this bike for three years. =Ive had this bike since three years ago. =Its three years since I bought this bike. =I bought this bike three years ago. Step 5Homework (1)Learn the present perfect tense by heart. (

14、2) Recite the sentences in Grammar Focus. (3) Preview the new words and Section B(1a-2d) on Page 77-79. Blackboard Design Unit 10 Ive had this bike for three years. Period 3 Section A (Grammar Focus-4c) 1.Key words: hometown 2.第一类：短暂动词be + adj. diefinish open/close fall ill/asleep marry sb/get married to 第二类：短暂动词be + 介词. start/begin leave join 第三类：短暂动词另一个动词 buy borrow become put on Teaching Reflection