高中英语 {Unit4 Global warming Period 3} 优秀教案 新人教版选修6

用心 爱心 专心 1 Period 3 Grammar the Use of It 2 整整体体设设计计 教学内容分析 This teaching period mainly deals with the grammar the use of it It has many usages in the English language It can be used as a pronoun and the form of subject and object and be used to express emphasis From Unit 3 we know that it can be used as a pronoun and the form of subject and object In this unit we will learn that it can be used to express emphasis This kind of sentence is called emphasized sentences Its main form is It is was that who which is a very useful sentence pattern 三维目标设计 KnowledgeKnowledge andand skillsskills 1 To get the students to know the structure of the emphasized sentences 2 To let the students learn the usages of the emphasized sentences 3 To enable the students to use the emphasized sentences correctly and properly ProcessProcess andand methodsmethods 1 To ask the students to read the reading passage again pick out the emphasized sentences from the reading passage and translate them into Chinese 2 To ask the students to discover the structure and usages of the emphasized sentences by comparing a lot of example sentences 3 To ask the students to do the exercises in Discovering useful structures on Page 29 to master the emphasized sentences 4 To ask the students to summarize the usages of the emphasized sentences 5 To ask the students to do the exercises in Using Structures on Page 64 and some other additional exercises for consolidation EmotionEmotion attitudeattitude andand valuevalue 1 To get the students to become interested in grammar learning 2 To develop the students ability of comparing and summarizing 教学重 难点 1 To get the students to master the structure and usages of the emphasized sentences 2 To enable the students to learn how to use the emphasized sentences 教教学学过过程程 StepStep 1 1 RevisionRevision 1 Check the homework exercises 2 Dictate some new words and expressions StepStep 2 2 WarmingWarming upup Ask the students to compare the two sentences below The second sentence is 用心 爱心 专心 2 from the reading passage Translate them into Chinese and then discuss any difference in meaning and form Ask the students to explain why it is used in the second sentence Human activity has caused this global warming It is human activity that has caused this global warming Tell the students there are two more sentences in the text in which it is used for emphasis Find them and then write them down Suggested answers 1 It was a scientist called Charles Keeling who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997 2 it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide StepStep 3 3 GrammarGrammar learninglearning Ask the students to study the following sentences and try to summarize the structure of the emphasized sentences Tom found my pen in the classroom yesterday It was Tom who that found my pen in the classroom yesterday It was my pen that Tom found in the classroom yesterday It was in the classroom that Tom found my pen yesterday It was yesterday that Tom found my pen in the classroom StepStep 4 4 SummingSumming upup Try to help the students draw the following conclusions 1 The main structure of the emphasized sentences is It is was that who 2 The emphasized sentences can be used to emphasize the subject object and adverbial including adverbial of time and adverbial of place 3 When we want to emphasize the subject object and adverbial we only need to put these parts between it is was and that who the rest part shouldn t be changed 4 When the emphasized part is a person we can use both the structure It is was that and the structure It is was who When the emphasized part is not a person we can only use the structure It is was that StepStep 5 5 GrammarGrammar practicepractice Ask students to do the following exercises 1 Change the following sentences into emphasized sentences To emphasize the underlined parts 1 Peter lent us the money 2 They want money 3 All this happened on Monday 用心 爱心 专心 3 4 I didn t hear from her until last summer 5 Why does everyone think I am narrow minded Suggested answers 1 It was Peter who lent us the money 2 It is money that they want 3 It was on Monday that all this happened 4 It was not until last summer that I heard from her 5 Why is it that everyone thinks I am narrow minded The last two may be a little difficult for the students Help them to get the correct answer 2 Do Exercise 2 in Discovering useful structures on Page 29 3 Do the exercises in Using Structures on Page 64 First ask students to do the exercises individually and then let them discuss and check their answers with their partners and finally give them correct answers and deal with any problems they might meet StepStep 6 6 GettingGetting moremore aboutabout thethe grammargrammar Show the following sentences to the students and ask them to find what the similarity of these sentences is 1 It is what you do rather than what you say that matters 2 It was after he got what he had desired that he realized it was not so important 3 It was not until she got home that Jennifer realized she had lost her keys Suggested answers In these three sentences the underlined parts are all clauses a subject clause and two adverbial clauses That is to say the emphasized sentence can not only be used to emphasize subject object and adverbial but also be used to emphasize subject clauses and adverbial clauses Pay special attention to the third sentence in which not and until must be put together Then show the following two sentences to students and ask them to translate them into Chinese Pay attention to the sentence pattern 1 Was it in 1969 that the American astronauts succeeded in landing on the moon 2 Who was it that put so many large stones on the road Suggested answers 1 美国宇航员是于 1969 年成功登陆月球的吗 2 究竟是谁在路上放了这么多大石头 The general question sentences and the wh question sentences of the emphasized sentences should follow the following formulas Is Was it 被强调部分 that 其他部分 Wh 疑问词 is was it that 其他部分 StepStep 7 7 TaskTask basedbased learninglearning Ask students to choose a topic they like eg global warming wildlife protection music film etc Work in groups and try to tell the information they know about the topic using emphatic it EXAMPLES 用心 爱心 专心 4 It was during the 20th century that the temperature of the earth went up about one degree Fahrenheit It was Charles Keeling who made accurate measurements of the amount of carbon dioxide in the atmosphere StepStep 8 8 ClosingClosing downdown byby a a quizquiz Show students the following on the screen or give out test papers to them and then ask them to finish these exercises in 10 minutes 1 Was it in this place they once built a tall building A that B in which C before D which 2 It is he often breaks the school rules makes his head teacher unsatisfied with him A what that B that what C that that D because that 3 It is because English is being widely used at present A why we learn it hard B that we learn it hard C which we must learn D when we should learn 4 Was it what he said or something that he did made you cry so sadly Sarah No not really A which B that C when D what 5 the people have become masters of their country science can really serve the people A It is only then that B It was that when C It is only when that D It was when then 6 I think we have met the word before Yes It is in the reading material we reading yesterday A that did B that were C when were D when did 7 It was there the police believe she was able to activate the recorder she kept in her bag A until B which C that D when 8 It was this sense of failure made him determined to succeed in his new life A who B which C that D why 9 that so many people think that being perfect is the way to go A It is why B Why is it C Why it is D Is why it 10 When asked to explain he does to make his students so enthusiastic about school he pauses and thinks deeply 用心 爱心 专心 5 A what it is that B that what it is C what is it that D that what is it 11 Wasn t it Dr Wang who spoke to you just now A I didn t know who was B Yes it was C No he wasn t