Unit 3 Fit for life Grammar and usageppt课件-（2020）新牛津译林版高中英语高二选择性必修第二册(1).ppt

1、Unit 3 Fit for lifeGrammar and usagePresent perfect continuous tenseBefore having the new robotic handThe girl began to _ after losing her right hand in a car accident two years ago.The old artificial hand could not help her because_ .With the new robotic hand The girl can _ and hold on to small thi

2、ngs.The new robotic hand is capable of _The new robotic hand looks very lifelike with _Over the past three monthsThe girl has rediscovered old hobbies.The girl has become more _withdraw into herselfshe could not do simple things like getting dressedmove her individual fingersfeeling varying degrees

3、of pressurespecial rubber used on the outsideconfident and outgoing1. Read the passage in Part A on Page 34, and pick out the sentences in present perfect continuous tense.Exploring the rulesScientists have been making great progress in robotic technology in recent years, Over the past three months

4、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.2. Tell the time or action background of the present perfect continuous tense in the sentences, and finish “Working out the rules” on Page 34.We use the present per

5、fect continuous tense to talk about an action that started in the past and is still continuing now, or an action that has just finished but is still connected with (1) _ in some way.The verb form of the present perfect continuous tense is “(2) _”.Exploring the ruleshas/have been doingthe presentThe

6、boy _ (eat) since five minutes ago. has been eatingThe boy started eating five minutes ago. He is still eating now.The man _ (work) in the field for half an hour. has been workingThe man started working in the field half an hour ago. He is still working now.I have been learning English since I was 8

7、 years old and I still love it.我从八岁起就开始学英语了，现在仍然很爱它。我从八岁起就开始学英语了，现在仍然很爱它。You have been making progress and I am proud of you!你一直在进步，我真为你感到骄傲。你一直在进步，我真为你感到骄傲。The little boy has been struggling to be attentive, but cant help falling asleep.小朋友一直努力在集中注意力，但还是情不自禁睡着了。小朋友一直努力在集中注意力，但还是情不自禁睡着了。It has been

8、raining these days. 这些天一直在下雨。这些天一直在下雨。2. I have been learning English since I was 8 years old and I still love it.3. You have been making progress and I am proud of you!4. The little boy has been struggling to be attentive, but cant help falling asleep.1. It has been raining these days.现在完成进行时现在完成进行

9、时表示动作从表示动作从过去过去某一时间开始，某一时间开始，一直持续到现在一直持续到现在，或者刚刚终止或者刚刚终止，或者，或者可能可能仍然要仍然要继续下去继续下去。Definition 构成构成: : have/has + been + doing2)2)肯定、否定及疑问形式：肯定、否定及疑问形式：肯定句肯定句: : I have been working. She has been working.否定句否定句: I have not been working. She has not been working.现在完成进行时的构成现在完成进行时的构成疑问句疑问句: Have I been w

10、orking? Has she been working?现在完成进行时的用法现在完成进行时的用法1 1 learn 8 years agofuturenowlearnlearnI have been learning English since I was 8 years old and I still love it. Tip 1: 过去动作持续到现在，还将持续下去过去动作持续到现在，还将持续下去.现在完成进行时的用法现在完成进行时的用法2 21. - I am sorry I have kept you waiting so long. - It is all right. I have

11、 been reading the newspapers. 2. We have been waiting for you for half an hour. Tip 2: 表示说话之前表示说话之前刚刚结束刚刚结束的动作，并且动作的动作，并且动作不再继续不再继续.现在完成进行时的用法现在完成进行时的用法3 3 Tip 3:表示动作表示动作从过去到现在从过去到现在的时间内的时间内重复发生重复发生但有可能但有可能间断间断。1. It has been raining these days.2. We have been practicing Kung Fu recently.现在完成进行时的用法现

12、在完成进行时的用法4 42. Why are you late again? I have been waiting for you for two hours. Tip 4:表示某种强烈的表示某种强烈的感情色彩感情色彩,如：赞赏、批评、愤怒等。如：赞赏、批评、愤怒等。1. You have been making progress and I am proud of you!Applying the rules B1have been reflecting have been waiting has been writing has been making have been doing (

13、1) I _ (reflect) on the article I read about ancient medicine all day.(2) I _ (wait) for two hours to see the doctor but it is still not my turn yet.(3) My mother _ (write) a report on the new treatment all morning. She hopes to finish it tonight.(4) The company _ (make) herbal medicines for more th

14、an 100 years.(5) Scientists _ (do) research on the disease since it was first discovered in the early 20th century.Read and answer some questions :1. What were 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

15、 technology of robotic limbs ?2. Circle the correct expressions to complete the article about robotic limbs in B2 on Page 35.It (1) is being estimated/has been estimated that over 30 million people worldwide have lost arms or legs, and many of them fail to get the help that they need. For some time,

16、 they (2) are hoping for/have been hoping for better-quality artificial limbs. Fortunately, one exciting new advance could help these physically disabled people lead a normal life again: robotic limbs.Applying the rulesOver the last few years, scientists (3) have been developing/will be developing n

17、ew kinds of artificial limbs to help people overcome their disabilities. Robotic limbs can do much more than conventional artificial limbs. Some of the earliest artificial limbs were made of wood and leather, and until recently, artificial limbs (4) have only served/have only been serving basic func

18、tions. With the advancement in robotic technology, artificial limbs can now perform much more complex tasks and come closer to real human limbs. Not only can they make a much wider range of movements, but they can also be controlled directly by the brain and feed sensory information back into it.App

19、lying the rulesDavid Jones is one of a team of scientists devoted to making even better robotic limbs. “We (5) have done/have been doing everything we can to advance this technology and we will not take out a patent on it,” said David. “Hopefully, more and more people in need of robotic limbs will b

20、e equipped with them and enjoy a higher quality of life.”Applying the rulesA student is interviewing David Jones about the research his team has been doing. In pairs, role-play the interview using the present perfect continuous tense.Applying the rules现在完成时和现在完成进行时的比较比较一： Li Jia _ (read) a book abou

21、t Stonehenge. (She finished reading the book.) Li Jia _ (read) a book about Stonehenge. (She is still reading the book.) has read has been reading pastfuturenowread dohave read pastfuturenowread dohave been reading do现在完成时现在完成时现在完成进行时现在完成进行时刚结束刚结束动作仍在继续动作仍在继续比较二： A. _ have you visited Egypt this mon

22、th? I have visited Egypt twice this month. (过去往返埃及和居住地, 但现在已回来) B. _ have you been touring Egypt? I have been touring Egypt for two month. (过去一段时间一直待在埃及, 没有离开过)How many timesHow longTip 2:现在完成时表示现在完成时表示反复发生反复发生的动作，提问时用的动作，提问时用how many times。而现。而现在完成进行时，表示在完成进行时，表示持续的、不间断的持续的、不间断的动作，提问时用动作，提问时用how lo

23、ng。比较三：Tip 3:Tip 3:现在完成进行时现在完成进行时比较生动，有时含有明显的比较生动，有时含有明显的感情色感情色彩彩，而，而现在完成时现在完成时往往只说明一个往往只说明一个事实事实，一种，一种影响影响或或结果结果。 试比较：试比较： I have been dreaming to be an astronaut.I have dreamt to be an astronaut.Tip 4：现在完成时现在完成时可以用表可以用表状态的动词状态的动词(have)和表和表动作的动词动作的动词(take)作谓语。作谓语。而而现在完成进行时现在完成进行时只能用表动作的动词只能用表动作的动词(

24、take)作谓语。作谓语。I have had this camera for five years.I have taken photos of UFOs with this camera.比较四：(state verb & action verb)I have been having this camera for five years.I have been taking photos of UFOs with this camera.State verb & action verb常用表常用表状态状态、情感情感、感觉感觉的动词的动词: (1)have, exist，know，belon

25、g to等等(2)like, love，hate, believe, want, regret, prefer(更喜欢更喜欢)等等(3)see，hear，smell, feel, taste等等不能用于现在完成进行时，但可用于现在完成时。不能用于现在完成进行时，但可用于现在完成时。Tip 5：副词：副词never, yet, already ,ever等等可用于现在完成时可用于现在完成时，但但不可用于现在完成进行时。不可用于现在完成进行时。I have never visited Paris.I have never been visiting Paris.比较五：He has already

26、 gone to Paris.He has already been going to Paris.Practice1. She2. I _(write) the book, but I still _(finish) it.3. They _ never _(learn) to swim.4. We _(look) forward to our summer vacation. has losthave been writing havent finished have learnt have been looking5. Although these scientists _ on the

27、 project for nearly four years, I dont know how long it will last. A. have been working B. have worked C. were working D. are workingPractice 6. There is so much snow these days, isnt there? Yes, it _ for a few days. A. was snowing B. has been snowing C. had been snowing D. snowed7. I wonder why Jen

28、ny _ us recently. We should have heard from her by now. A. hasnt written B. doesnt write C. wont write D. hadnt written Language focus1.自我封闭2.装备有3.穿衣服4.取得进步5.抓握6.有做的能力7.另外8.感激9.据估计10.反馈11.得到专利withdraw into oneselfbe equipped withget dressedmake progresshold on to be capable of in addition be gratefu

29、l for It is estimated that feed backtake out a patent1I began to withdraw into myself, （1） _ vi.&vt.（使）撤回；撤离 （2） _ 退出；撤回 （3） _ 从取出；从撤回 （4） _ n.撤回；取出 People who spend too much time on the Internet _ _ _ _ the people and the world round them. 在网上花太多时间的人有离群避世的倾向。withdrawwithdraw fromwithdraw sth fromwi

30、thdrawaltend to withdraw from完成句子(1)从自动取款机里取点钱，以防你的现金用完了。 _ the ATM before your cash runs out(2)危机一结束，所有外国军队就将撤出。 All foreign forces would _ as soon as the crisis ended(3)据报道，这种牛奶有严重的副作用，已经被下架，留待进一步检测。 The milk is reported to have serious side effects and has been _ from the market for further tests

31、Withdraw some money fromwithdrawwithdrawn2. I was equipped with an artificial hand, but it did not feel like part of me.equip vt.装备_ n.设备，装备You must follow the instructions of the workers before using this piece of _ （equip）.我们之所以学习中国历史，是因为我们不仅要珍惜中华民族的传统瑰宝，而且要具备丰富的历史知识来讲好中国故事。（equip） （汉译英） _ The rea

32、son why we study Chinese history is that we should not only cherish the traditional treasures of the Chinese nation, but also equip rich historical knowledge to tell Chinese stories well.equipmentequipmentequipment是不是不可数名词可数名词 我们必须使年轻教师有能力对付难管的孩子(difficult children)。_There is no denying that it is e

33、xtremely hard for graduates to find their ideal jobs, where in addition to _ necessary knowledge, they are required to have some related experience. A. be equipped with B. being equipped with C. equipping with D. equip withWe must equip young teachers to deal with difficult children.B3.Im so grateful for all the new possibilities my robotic hand has opened up.如果你能帮助我找到一份工作，我会不胜感激（grateful）_ We would be _ (感激的) for any information you can give us. I would be very grateful if you could help me find a jobgrateful /thankfulThank you !