江苏省常州市西夏墅中学高中英语 Unit3 Tomorrow's world Grammar and usage教学设计 牛津译林版必修4.docx

单 元:Unit 3 Tomorrow* s world板 块：Grammar and usage课堂设计指导思想：本节课是一节语法课。学习语法是为了运用。检查学生对语法的掌握情况，主要是看他们运用语法规则的 能力，而不是解释语法现象的能力。所以，在平时的练习及测试中，要以实际运用为主，要让学生在语言交际 中运用语法规则，在运用中逐步掌握语法规则。语法教学要注重精讲多练，.重点突出，不必强求系统性、面面 俱到。Teaching aims:1. Learn the basic verb forms of the passive voice and some special passive patterns.2. Learn how to use modal verbs in the passive voice.3. Learn some verbs that are often used in the passive voice.Teaching procedures:Step 1 Lead-in (PPT page 4-6,鼠标点击，显示图片、题目及答案)Review passive voice with several pictures.(1) The man (call) " Good husband” .(2) The pet dog (treat) by veterinary.(3) A frog ( catch) by a big bird just now.Answers(4) is called (2) is being treated (3) was caughtAsk students what the basic form of the passive voice is. (PPT page 7) Answerbe + done【设计说明】用生动形象的图片和动词填空，引入主题，复习被动语态的基本形式。Step 2 The passive voiceHelp students review the tenses of the passive voice:(1) Simple present tense: am/is/are + done (PPT page 8,鼠标点击，显示 be 动词的变化)(2) Present continuous tense: am/is /are being + done(3) Present perfect tense: have/has + done(4) Simple future tense: shall/will + done(5) Simple past tense: was/were + done (PPT page 9,鼠标点击，显示 be 动词的变化)(6) Past continuous tense: was/were being + done(7) Past perfect tense: had been + done(8) Past future tense: would .be + doneAsk students how we can change a sentence into the passive voice.Remind, students that we should pay attention to the following: (PPT page 10,鼠标点击，逐条 显示)Find out the object of the sentence and use it as the subject of the sentence with the passive voice.(1) Decide the tense of the sentence and use the related form of its passive.(2) If necessary, use "by" to join the former subject, which should be put into its object form.1. Ask students when we use the passive voice. Ask them to read Point 3 on page 4.8 to find the answer.And give them the following sentences as examples: (PPT page 11-12,鼠标点击，逐条显示)(1)不知道或没必要指出动作的执行者。Many houses will be built here.(2)强调动作的承受者。The song “The East is Red” was written by a poor peasant.(3)动作的执行者有较长的修饰语。The plan was supported by those who wished to have more chances to speak English.(4)出于礼貌，不愿意说出动作的执行者。You are requested to attend the meeting.2. Ask students to read Point 3 and 4 on page 48 carefully and complete the following practice. Change the following sentences into the passive voice: (PPT page 13,鼠标点击，逐条显示) (1) All of us like her.(2) We are discussing the question.(3) We have put off the meeting.(4) I will develop my picture next week. Answers(1) She is liked by all of us.(2) The question is being discussed.(3) The meeting has been put off.(4) My picture will be developed next week.Fill in the blanks with the right form of the words given: (PPT page 14,鼠标点击，逐条显示) (1) I (give) a new book by my father on my birthday.(5) English (find) very useful.(6) The work (finish) tomorrow.(7) The flowers (water) by them now.(8) The railway (build) this time last year.(9) The new way already (build).(10) The new raiIway (build) by the end of last year.(11) He told me the sports meeting(hold) the next month.(12) Rice (grow) in the south of the States.Answers(1) was given (2) is found (3) will be finished (4) are being watered (5) was being, built (6) has been built (7) had been built (8) would be held (9) is grown5. Ask students to read the four pieces of information about the top four exhibits on page and underline the sentences that can be changed into passive voice. Ask students to complete the report. Remind them of the different tenses of passive voice.Answers(1) are being (2) Electric Wear (3) been developed (4) teenagers (5) was invented(6) are used (7) been completed (8) will be produced (9) will be (10) was announced (11) was shown (12) are cleaned【设计说明】通过实例复习被动语态，把学生自主学习和教师指导相结合，以练习促进理解。Step 3 Modal verbs and the passive voiceAsk students how to form the passive voice with modal verbs. Ask them to read the example sentences in Part 2 and show them the pattern: Modal verb + Ke + done (PPT page 16)1. Ask students to do the following practice to understand the pattern better. (PPT page 18-19, 鼠标点击，逐条显示)Change the following sentences into the passive voice:(1) The viewer can touch the objects in the film.(2) The viewer may feel a real sense of achievement and happiness.(3) RealCine might not impress some viewers.(4) Teachers could use RealCine in the classroom too.(5) Film-makers should use RealCine for all films-(6) Scientists ought to develop RealCine further.(7) The viewer must wear special gloves.Answers(1) The objects in the film can be touched.(2) A real sense of achievement and happiness may be felt.(3) Some viewers might not be impressed by RealCine.(4) RealCine could be used in the classroom too.(5) RealCine should be used for all films.(6) RealCine ought to be developed further.(7) Special gloves must be worn.3. Ask students to read the first report in the exercise. Then ask them to complete the second report by referring to the information in the first one.Answers(1) can be reduced (2) must be taken (3) should be made (4) must be worn(5) may become (6) ought to be reduced (7) might be cured【设计说明】本部分旨在帮助学生理解情态动词用于被动语态时的基本形式，在帮助学生归纳出基本形式之后, 用练习帮助学生巩固所学知识。Step 4 Verbs often used in the passive voiceAsk students to read the instructions of the exercise on page 51 and the timeline. Then they should complete the article with suitable verbs in their proper forms.Answers(2) bored with (3) interested in (4) was written by (5) was set up (6) were employed (7) was surprised at (8) was accused of (9) was quest ironed by (10) wa.s closed down (11) was purchased【设计说明】通过任务型阅读，帮助学生学习经常用于被动语态的词组。Step 5 SummaryMake a short summary about what have been learned in class.【设计说明】通过总结课上所学内容，帮助学生理清思路，把握重点和难点。Step 6 Homework (PPT page 20)Review what you have learned in this lesson.1. Finish Cl, C2 in Workbook on page 108.【设计说明】通过家庭作业，帮助学生再次巩固课上所学知识和技能。