译林版高中英语选必二Unit3 Grammar and usage 教案（名校）.docx

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1、Unit 3 Fit for lifeGrammar and usage: Present perfect continuous tense内容分析：本板块围绕单元话题，首先通过一位佩戴机械手的残疾女孩的自述，要求学生在 语篇中观察现在完成进行时的基本构成，并自主探究、归纳现在完成进行时的一般规 则；随后通过句子、语篇两个层面的练习巩固所学，让学生深化理解现在完成进行时 的含义和用法；最后组织学生运用所学，以角色扮演的方式运用目标语法进行采访对 话，使语法知识的运用和话题相结合，实现“形式一意义一使用”三者的Z教学目标：By the end of this section, students

2、will be able to:1. identify the verb form of the present perfect continuous tense:2. work out the general rules of the present perfect continuous tense;use the right tenses to finish related tasks;arizing the grammar rules.3. apply the present perfect continuous tense in new contexts.教学重难点：1. To app

3、ly the rules correctly and properlyDevelop the thinking ability by analyzing教学过程:少、Step 1 Lead inT asks the Ss to read the personal account given by a girl who is equipped with a robotic hand and fill in the following tle. JIBefore having the new robotic handto 1.years ago.The g car accidafter losin

4、g her right hand in aWith the robotic handThe old artificial hand could not help her because 2.Over the past three monthsThe girl can 3.and hold on to small things. The new robotic hand is capable of 4. The new robotic hand looks very lifelike with 5. The girl has rediscovered old hobbies. The girl

5、has become more 6.Possible answerwithdraw into herself1. it didnt feel like part of hermove her individual fingers2. feeling varying degrees of pressurespecial rubber used on the outside3. confident and outgoingUseful expressionsbe equipped with withdraw into oneself lead a normal life hold on toMor

6、e amazinglybe capable of doing sth.be grateful for.open up new possibilities装备有，配备有离群索居过正常的生活抓住不放；握住；控制 更加令人惊异的是 有能力做某事 因而感激开启新的可能性Step 2 Exploring the rulesT asks Ss go through the personal account again and fill in the box in AnswerScientists have been making great progress in robotic technology i

7、n recent years,.Over the past three months I have been testing out the limits of what I can do with my new hand,.I have been cooking for my family again since I got my new hand. i【设计意图：老师一开始通过分享一个装有义肢孩的生活故事，设置填空练习让学生在具体的情境中提前感知本节课的语法知识。很自然地引入本堂课的语法内容, 同时带入了话题，也为本堂课的终极任务做好了铺垫Step 3 Working out the ru

8、lesHave students finish Working out the rules onAnswer1) the present 2) has/have been doing Have students go through Grammae34.imar notes” on page 99. Give explanations if necessary.Practice:1. Since last month, (desire) to have a 22. The number of visidecline compa 3. A recent sti over the passive

9、year4. Wes)rge, along with some of his former classmates, gathering during this summer holiday.(rise) steadily since the reopening, despite a sharpas found that the number of smokers(increase) sharplytry) to make our environment more beautiful since the time humankindstarted gardening.5. Today I Kim

10、berley Quest, all day.6. Mr. Smithhe burns out.(photograph) a crocodile swimming close to our boat, the(overwork) these days. I think he should take a holiday beforeSince arriving in space, the WISE telescope(circle) the Earth, held by gravity in a polar orbit (this means it crosses close to the nor

11、th and south poles with each lap(一圈).4. Excuse me, Madam. Ellen, a journalist from the Daily Mail(phone) all day. Could you speak to him now?Possible answer1. has been desiring 2. has been rising 3. has been increasing 4. have been trying5. have been photographing 6. has been overworking 7. has been

12、 circling8. has been phoningHave students finish Bl on page 35.Answer1. have been reflecting 2. have been waiting 3. has been writing4. has been making 5. have been doingHave students finish B2 on page 35 and answer the following questions.Answer1) has been estimated4) have only served2) have been h

13、oping for 3) have been developi5) have been doing5) have been doing、T has Ss read the life story again and answer the following questions. Jf(1) What were some of the earliest artificial limbs like?Lthe technology of roboticthe technology of robotic(2)What can robotic limbs do?-(3)Why did David Jone

14、s say they would not take out a patent limbs?Possible answer (1 )They were made of wood and leather, and served only basic functions.(2)They come closer to real human limbs and can perform much more complex tasks. They can even be controlled directly by the brain and feed sensory information back in

15、to it.(3)Because they hoped that more and more people in need of robotic limbs would be equipped with the limbs and enjoy a higher quality of life.【设计意图：培养学生的语篇意识，精读原文，理解文本内容，通过练习观察并体会 过去完成时在语境中的用法。粗略理解过去完成时的概念以及它的谓语结构，并借鉴 课本后面的语法笔记，对学生观察、探究、理解该语法知识点有一定的帮助。】Step 4 Applying the rules1. T asks the Ss

16、to write a short summary of the article in B2 using the present perfect continuous tense.Possible answerOver the last few years, scientists have been developing new kinds of artificial limbs to replace the traditional ones, some of which only served basic functions. People who have been hoping for b

17、etter-quality artificial limbs will hopefully be equipped with robotic limbs which can perform much more complex tasks and come closer to real human limbs.Besides, one of the scientists who have been doing everything to advance the technology of robotic limbs said they would not take out a patent on

18、 it, hoping more people in need of them will enjoy a higher quality of life.【设计意图：这个步骤是这堂课的核心部分，将语法知识和语境相结合，在语境中学 习语法知识。学生通过更正句子中的错误时态，进一步理解和把握了现在完成进行时 的概念以及谓语结构。通过自主学习、自主探究和合作学习的方式，了解这一语法知 识在英语语言中的运用，让学生在语言实践中去探索现在完成进行时这一时态，通过句子、语篇两个层面的巩固练习，内化新知，从而能够准确、恰当、得体地使用目标 语法。】Step 5Topic talking and sharing

19、T asks the Ss to have an interview with David Jones about the research his team has been doing. In pairs, role-play the interview using the present perfect continuous tense. The beginning has been given.Student: What have you been doing, Dr Jones ?David Jones: We have been developing .Possible answe

20、rStudent: What have you been doing. Dr Jones?wVto theDavid Jones: We have been developing even better robotic limbs than those available at the moment.Student: Is it difficult to develop the new robotic technology?David Jones: Yes. Our team of scientists have been devoting most of their project and

21、we have been doing everything we can to advance this technology.Student: Thats great! Why is this technology important to your personally?David Jones: Because my goal is to equip as many people as possible who need robotic limbs, and help them enjoy a higher quality of life. For these reasons, we wi

22、ll not take out a patent on the technology, so it will be available to anyone who needs it. We have been spreading the news about our technology all over the world. /【设计意图：学生结合语法知识，进一步巩固本节课的核心知识，将现在完成进行时 的用法融入到真实语言中，鼓励学生学习理解、应用实践、迁移创新，达到学以致用 的目的。不仅培养培养学生的批判性思维能力，而且帮助学生提升语言表达能力，为 写作打好语言基础。】Step 6 Hom

23、ework1. Search the information online and write an inspiring life story of a person with disability.2. Complete part C of the workbook on page 70.Possible answerhave been reading 1. have been thinking/ am thinkingis learning I I2. have writtenhas been taking3. have been workinghas been raining4. Have; been waiting【设计意图：强化知识运用。】教学反思