江苏省高邮市龙虬初级中学八年级英语下册 Unit 3 Online tours period 4教案 （新版）牛津版.doc

unit 3 online tours period 4教学目标1.了解一般过去时和现在完成时的区别。2.能组织含有一般过去时和现在完成时的句子。教学重点1.了解一般过去时和现在完成时的区别。2.能组织含有一般过去时和现在完成时的句子。教学难点课前预习preview the new words.教学过程教学环节教 师 活 动备课札记step1 预习检查一 请总结出可以用在一般过去时句子中的时间状语。二请总结出可以用在现在完成时句子中的时间状语。三请尝试着写出一般过去时和现在完成时的区别。四英汉词组互译。1. return from canada2. write two emails to me3. local food4. a tour guide5.梦想6.高速驾驶7. 玩得开心8. 收到一些花五根据汉语完成句子。1. 你曾经梦想过没有护照而去环游世界吗？ 2. 那位老人通过修鞋子来谋生。 3我们已参观了许多名胜和吃了许多当地的食物。 4. 上星期我读了一本有关美国历史的书。 5. 米莉已经写了两封邮件给她的朋友们。 step 2 新课导学1.presentationask some qs to help the ss with the related tenses t: 1.have you ever been to beijing? 2.when did you go to beijing? 3. how many times have you been to beijing? 4. have you ever bought a computer? 5. when and where did you buy it? 6. how many times have you used it for an online tour?2.sum up the useful expressions.a.help the ss to sum up the key words and phreases:-with the simple past tense: yesterday, the other day, last., ago, just now-with the present perfect tense: already, ever, just, recently, yet, so far, up to now, till now, for, since, in the last/past ten years.b.try to find out the differences between the two tenses.t: now read page 40 and find out the differences between the simple past tense and the present perfect tense.then ask the ss to complete part a on page 41 and underline the difference time expressions.get the ss to finish the exercises in part b and discuss the answers in pairs.t: now youve learnt a lot about the two tenses. look at part d and help millie complete her diary entry with the correct forms of the verbs in the box.3.deal with the exercises in ss book.have them finish some extra exercises.check the answers in class.have them finish the exercises in part c.then check the answers in class.t: work in pairs. use part c as a model. talk about the places of interest youve visited before. pay attention to the tense.tell the differences between the simple past tense and the present perfect tense.4.more exercises for practice.fill in the blanks with the right verb forms.practice:translate the following sentences into englis1. step 3检测反馈一用所给词的适当形式填空。1. is everyone here? -no, sir. jim (not arrive) yet. he is still on the way.2. mr. zhang (teach) us english three years ago.3. mr. liu isnt here now. he (go) to beijing.4. i (make) some friends on my trip to beijing last year.5. my father (work) in this factory for five years.二用所给动词的适当形式填空。1. he likes football very much and often dreams of (play) football.2. we can contact her by (write) emails to her.3.- you (finish) the work? -not yet.4.- you (go) to the park with her last week? -yes, i did. we (go