1、学优中考网（）每天发布最有价值的中考资料！第 1 页 共 3 页8B Unit 1 Past and present(Vocabulary)The fourth period教学目标：1. To learn some new words.2. To learn the use of the present perfect tense.3. To understand the difference between the present perfect tense and the simple past tense.重点难点：The use if the perfect tense: have/
2、 has +p.p.教学过程：Step1.Teach the new words from P13 to P17.Step2.Lead in the present perfect tense.T: When did you have breakfast? S:I had breakfast an hour ago.T: He had breakfast an hour ago. He has had breakfast.(Bb)T: Where did you study English last term?S: We studied English in Zhouzhuang Middle
3、 School.T: Yes. You studied English in Zhouzhuang Middle School. You have studied here for about two years.(Bb)我们用一般过去时谈论过去发生的动作,但当过去发生的动作和现在有联系有影响时,我们用现在完成时态.(Refer to P13)Structure: have/has+V(p. p.)Step 3.How we form the past participles of verbs P14 (Add the simple past forms)Add: have-had-had h
4、ear-heard-heard buy-bought-bought go-went-gone do-did-done eat-ate-eaten forget-forgot-forgotten cut-cut-cut read-read-read （Refer to P121）Step4.Explain the use of the present perfect tense.学优中考网（）每天发布最有价值的中考资料！第 2 页 共 3 页基本用法:1. 到现在为止这段时间已发生的情况.动作从过去延续到现在.She has been ill for three days. (Shes been
5、)We have learned 2,000 English words. (Weve )某个动作虽是过去发生,但其后果和影响及于现在，或者还有可能继续延续下去。Thanks you. Ive had my supper. (现在用不着吃) Tom has seen the film. (对这部电影有所了解)特定的时间状语:already, yet(否,疑), since, ever, never, just, before(句尾), for+时间段, recently, times, how many times, how long, during the past / last 3 yea
6、rsShe has already finished her work.I have ever heard about it.Step 5.Change the above sentence patterns to general questions, negative sentences and question the underlined parts.Step 6.Make sentences P14 A1Step 7. Compare the difference between the present perfect tense and the simple past tense.现
7、在完成时的特点是某一动作发生与现在有联系,一般过去时则单纯谈过去发生的某一动作,不涉及对现在的影响.Simon has lost his watch. / Simon lost his watch.Have you bought a pen? / When did you buy the pen? What did you have for lunch? / Have you had lunch? 注:句中有表示过去的时间状语如 yesterday, last week,ago etc,不能用现完.Step 8.Chat time P15, A2Step 9.Assignment完成下列句子，
8、并改成一般疑问句并作回答，否定句，划线提问1 I have _ (see) the film many times.2 We _ ( be, ever) to the USA.3 He _ (borrow) the book before.4 She _ ( forget) my name already.学优中考网（）每天发布最有价值的中考资料！第 3 页 共 3 页5 They _(live) here since I _( be) born.板书设计：8B Unit 1 Vocabularyhave-had-had hear-heard-heard buy-bought-bought g
9、o-went-gone do-did-done eat-ate-eaten forget-forgot-forgotten cut-cut-cut read-read-read教学反思：Most students can study carefully in the class, they made notes, listen and repeat well ,Some students made mistakes in reading and writing, some could not remember new words and phrases, sentences are difficult for the students to grasp and use, there are too many words and phrases in this part ,the students can not grasp these words and phrases every day, they have many classes a day
