2020年高中英語Unit3Grammarandusage教案牛津譯林版選擇性必修第二冊

1、PAGE PAGE - 6 -Unit 3 Fit for lifeGrammar and usage: Present perfect continuous tense內(nèi)容分析：本板塊圍繞單元話題，首先通過一位佩戴機械手的殘疾女孩的自述，要求學生在語篇中觀察現(xiàn)在完成進行時的基本構(gòu)成，并自主探究、歸納現(xiàn)在完成進行時的一般規(guī)則；隨后通過句子、語篇兩個層面的練習鞏固所學，讓學生深化理解現(xiàn)在完成進行時的含義和用法；最后組織學生運用所學，以角色扮演的方式運用目標語法進行采訪對話，使語法知識的運用和話題相結(jié)合，實現(xiàn)“形式意義使用”三者的統(tǒng)一。教學目標：By the end of this section

2、, students 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;3. use the right tenses to finish related tasks;4. apply the present perfect continuous tense in new contexts.教學重難點：1.To apply the rules

3、correctly and properly;2.Develop the thinking ability by analyzing and summarizing the grammar rules.教學過程：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 table.Before having the new robotic handThe girl began to 1

4、. _ after losing her right hand in a car accident two years ago.The old artificial hand could not help her because 2. _With the new robotic handThe 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. _Over the past three m

5、onthsThe girl has rediscovered old hobbies.The girl has become more 6. _Possible answer1. withdraw into herself2. it didnt feel like part of her3. move her individual fingers4. feeling varying degrees of pressure5. special rubber used on the outside6. confident and outgoingUseful expressionsbe equip

6、ped with 裝備有，配備有withdraw into oneself 離群索居lead a normal life 過正常的生活hold on to 抓住不放；握?。豢刂芃ore amazingly 更加令人驚異的是be capable of doing sth.有能力做某事be grateful for . 因而感激open up new possibilities開啟新的可能性Step 2 Exploring the rules T asks Ss go through the personal account again and fill in the box in part A

7、on page 34.AnswerScientists have been making great progress in robotic technology in 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.【設計意圖：老師一開始通過分享一個裝有義肢的女孩的生活故事，設置填空練習讓學

8、生在具體的情境中提前感知本節(jié)課的語法知識。很自然地引入本堂課的語法內(nèi)容，同時帶入了話題，也為本堂課的終極任務做好了鋪墊。】Step 3 Working out the rules Have students finish “Working out the rules” on page 34.Answer1) the present 2) has/have been doingHave students go through “Grammar notes” on page 99. Give explanations if necessary.Practice:1. Since last mont

9、h, George, along with some of his former classmates, _ (desire) to have a 20-year gathering during this summer holiday.2. The number of visitors _ (rise) steadily since the reopening, despite a sharp decline compared to normal years.3. A recent study has found that the number of smokers _ (increase)

10、 sharply over the past five years.4. We _ (try) to make our environment more beautiful since the time humankind started gardening.5. Today I _ (photograph) a crocodile swimming close to our boat, the Kimberley Quest, all day.6. Mr. Smith _ (overwork) these days. I think he should take a holiday befo

11、re he burns out.7. Since arriving in space, the WISE telescope _ (circle) the Earth, held by gravity in a polar orbit (this means it crosses close to the north and south poles with each lap(一圈).8. Excuse me, Madam. Ellen, a journalist from the Daily Mail _ (phone) all day. Could you speak to him now

12、?Possible answer1. has been desiring 2. has been rising 3. has been increasing 4. have been trying 5. have been photographing 6. has been overworking 7. has been circling 8. has been phoning Have students finish B1 on page 35.Answer1. have been reflecting 2. have been waiting 3. has been writing 4.

13、has been making 5. have been doingHave students finish B2 on page 35 and answer the following questions. Answer1) has been estimated 2) have been hoping for 3) have been developing4) have only served 5) have been doingT has Ss read the life story again and answer the following questions.(1)What were

14、 some of the earliest artificial limbs like?(2)What can robotic limbs do?(3)Why did David Jones say they would not take out a patent on the technology of robotic 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 ca

15、n perform much more complex tasks. They can even be controlled directly by the brain and feed sensory information back into 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.【設計意圖：培養(yǎng)學生的語篇意識，精讀原文，理解文本內(nèi)容，通過練習

16、觀察并體會過去完成時在語境中的用法。粗略理解過去完成時的概念以及它的謂語結(jié)構(gòu)，并借鑒課本后面的語法筆記，對學生觀察、探究、理解該語法知識點有一定的幫助?！縎tep 4 Applying the rules 1. T asks the Ss 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 artifi

17、cial limbs to replace the traditional ones, some of which only served basic functions. People who have been hoping for better-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 scie

18、ntists who have been doing everything to advance the technology of robotic limbs said they would not take out a patent on it, hoping more people in need of them will enjoy a higher quality of life.【設計意圖：這個步驟是這堂課的核心部分，將語法知識和語境相結(jié)合，在語境中學習語法知識。學生通過更正句子中的錯誤時態(tài)，進一步理解和把握了現(xiàn)在完成進行時的概念以及謂語結(jié)構(gòu)。通過自主學習、自主探究和合作學習的方式

19、，了解這一語法知識在英語語言中的運用，讓學生在語言實踐中去探索現(xiàn)在完成進行時這一時態(tài)，通過句子、語篇兩個層面的鞏固練習，內(nèi)化新知，從而能夠準確、恰當、得體地使用目標語法?！縎tep 5 Topic talking and sharingT 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 begi

20、nning has been given.Student: What have you been doing, Dr Jones?David Jones: We have been developing .Possible answerStudent: What have you been doing, Dr Jones?David Jones: We have been developing even better robotic limbs than those available at the moment.Student: Is it difficult to develop the

21、new robotic technology?David Jones: Yes. Our team of scientists have been devoting most of their time to the project and 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, an