1、Unit 3 Fit for lifeGrammar and usagePresent perfect continuous tense1. 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
2、 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 pe
3、rfect 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 present现在完
4、成进行时现在完成进行时have(has) + been+ 动词的现在分词动词的现在分词. 根据括号内提示补全下列句子。根据括号内提示补全下列句子。1. Im sure you will do better on the test because you _(study) so hard this year.2. Tina ought to stop reading; she has a headache because she _(read) too long.3. The manager _(tell) the workers how to improve the efficiency of
5、 work since 9 am.4. The committee_(argue) over the problem among themselves for two hours. have been studyinghas been reading has been tellinghas/have been arguing5. Now that she is out of a job, Lucy _ _(consider) going back to school, but she hasnt decided yet.6. Cathy is taking notes of the gramm
6、atical rules in class at Sunshine School, where she _ _(learn) English for one year.7. I _(hope) for a rise for the last four years, but the boss refuses to give me one.8. China is becoming stronger and stronger and _(play) an important role on the international stage in recent years.has been consid
7、eringhas been learninghave been hopinghas been playing6. 这些年来他一直在为我们的报纸写文章，他这些年来他一直在为我们的报纸写文章，他 已经写了大约已经写了大约30篇文章。篇文章。 He _ _ _ _for ournewspaper these years, and he _ _about thirty articles.7. 自自20世纪世纪90年代初以来，中国一直处于科技年代初以来，中国一直处于科技 发展的繁荣时期。发展的繁荣时期。 Since the early 1990s, China _ _ _ _ _ in scientif
8、ic and technological development.8. 直到学生们做了一个多小时，我才告诉他们这直到学生们做了一个多小时，我才告诉他们这 道数学题的答案。道数学题的答案。 I wont tell the students the answer to the math problem until they _ _ _ _ _for more than an hour.has been writing articles has writtenhas been enjoying a boomhave been working on it3. Summarize the general
9、 rules of present perfect continuous tense.(1) 现在完成进行时表示一直持续到现在的动作，该动作可能刚停 止，也可能仍在进行。如： I have been working on the computer for hours.(2) 现在完成进行时的动作往往与现在的状态有联系。如： You dont look well. Have you been working too hard?Exploring the rules3) 表示某种感情色彩。表示某种感情色彩。 I have been wanting to see you for a long tim
10、e. (愿望) Who has been telling you such nonsense? (气愤) You have been deceiving me. (气愤) You have been giving me everything. (感激)4) 表示过去某种愿望未实现，某种企图、希望表示过去某种愿望未实现，某种企图、希望 落空，含有遗憾、不耐烦等情绪。落空，含有遗憾、不耐烦等情绪。 They have been going to build a bridge over the lake for years. 近年来，他们一直想在湖上建一座桥。（但未能实现） He has been
11、going to have the leaking tap fixed for a few days. 几天来，他一直想把漏水的水龙头修理一下。（但总没抽出时间修理）5) 表示一个过去动作对现在的影响或造成的结果。表示一个过去动作对现在的影响或造成的结果。 The room stinks. Someone has been smoking in here. 屋里有烟味,有人抽烟了。 The girls eyes are red. She has been crying. 那个女孩的眼睛红红的。她一直在哭。6) 表示重复（指断断续续表示重复（指断断续续, 而非一直不停）而非一直不停） We ha
12、ve been discussing the matter several times this year. 我们今年已数次讨论过那件事。 We have all along been making mistakes like this. 我们一直犯这样的错误。 She has been phoning Jim every night for the past two weeks. 两个星期以来她每天晚上给吉姆打电话。用现在完成进行时翻译下列句子用现在完成进行时翻译下列句子1. 汤姆的手很脏，他修车修了一上午。汤姆的手很脏，他修车修了一上午。_2. 从早上从早上9点以来经理一直在告诉工人如何去
13、改进那个项目。点以来经理一直在告诉工人如何去改进那个项目。_3. 在过去的几个月里，我们一直在采访和拍摄年轻球员有关他们对篮球的兴趣。在过去的几个月里，我们一直在采访和拍摄年轻球员有关他们对篮球的兴趣。 _4. 在学生研究数学问题没达到一个小时之前，我是不会告诉他答案的。在学生研究数学问题没达到一个小时之前，我是不会告诉他答案的。_5. 史密斯先生和他的学生们日日夜夜都在为这个项目工作，以提前完成任务。史密斯先生和他的学生们日日夜夜都在为这个项目工作，以提前完成任务。_Toms hands are very dirty for he has been repairing the car all
14、 morning.The manager has been telling the workers how to improve the programme since 9 am.For the past few months, we have been interviewing and filming young players about their interest in basketball.I wont tell the student the answer to the Maths problem until he has been working on it for more t
15、han an hour.Mr Smith, along with his students, has been working on the project day and night to finish the task ahead of time.Applying the rules B1(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)
16、 My mother _ (write) a report on the new treatment all m o r n i n g . S h e h o p e s t o f i n i s h i t t o n i g h t .(4) The company _ (make) herbal medicines for more than 100 years.(5) Scientists _ (do) research on the disease since it was f i r s t d i s c o v e r e d i n t h e e a r l y 2 0
17、 t h c e n t u r y .have been reflecting have been waiting has been writing has been making have been doing 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
18、 or legs, and many of them fail to get the help that they need. For some time, 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 rulesOve
19、r the last few years, scientists (3) have been developing/will be developing new 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 rec
20、ently, artificial limbs (4) have only served/have only been serving basic functions. 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
21、controlled directly by the brain and feed sensory information back into it.Applying 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,
22、” said David. “Hopefully, more and more people in need of robotic limbs will be 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 conti
23、nuous tense.Applying the rules. 根据括号内提示补全下列对话。根据括号内提示补全下列对话。1. Im sure Andrew will win first prize in the final. I think so. He _(prepare) for it for months.2. John is said to have been missing since last week. Has he gone somewhere? Not really. He _(decorate) his newly-bought apartment.3. We lost t
24、he football match in the last two minutes! What bad luck! Especially when you _ _(train) so hard in the past two months.has been preparinghas been decoratinghave been training4. Im too tired. I _(work) on a design day and night. Youd better have several days off after finishing it. Otherwise, you mi
25、ght break down.5. Have a break, Lily. You _ (practice) playing the piano all morning. OK, Mom. I will stop after this piece.have been workinghave been practicing. 根据括号内提示补全下列句子。根据括号内提示补全下列句子。1. Mary _(consider) studying abroad, but she hasnt made up her mind yet.2. Jim is really nervous. He _(walk)
26、back and forth all night waiting for the results.3. Over the past decades, sea ice _ (decrease) in the Arctic as a result of global warming.4. My father _(repair) our washing machine the whole morning. He must get it done before lunch.5. Ever since the old couple moved to the lake area a year ago, t
27、hey _ (enjoy) better health.has been consideringhas been walkinghas been decreasinghas been repairinghave been enjoying6. In addition to the farming they _ (do) since the 1990s, the Smiths have started a small business.7. We _ (build) the bridge for over two years and it will be half a year before i
28、ts completed.8. They _(go) on an expedition to the woods for a week. The weather has been terrible all the time.9. Police are now searching for a woman who is reported to _(miss) since the flood hit the area last Friday.10. The actual influence of Sina. com. cn on Chinese society _(weaken) in recent
29、 years due to the competition from other websites.have been doinghave been buildinghave been goinghave been missinghas been weakening. 根据括号内提示补全下列对话。根据括号内提示补全下列对话。1. Hi, Tracy, you look tired. I am so tired. I _(paint) the living room all day.2. How is your project coming along? I _(work on) it. It
30、will be completed in two weeks.3. Are you busy with the coming ceremony? Yes. We _(prepare) for it like this for several days.4. Is it hard to drive downtown to work all the time? Yes, and thats why I _(go) to work by train.have been paintinghave been working onhave been preparinghave been going5. Y
31、ou are a great swimmer. Thanks. Its because I _ (practice) a lot these days.6. Hi, Jack! When did you arrive in Italy? Last weekend. I _ (experience) a different culture since then.7. Have you thought of the topic for the speech? Not yet. I _(consider) it very carefully, but I havent decided.have be
32、en practicinghave been experiencinghave been considering8. Where is Peter? I cant find him anywhere. He went to the library after breakfast and_ (write) his essay there ever since.9. I wonder if you could go with me to the cinema. I am afraid that I cant. I _(do) my homework all morning and havent f
33、inished. 10. Oh, I am sick of the weather here. So am I. It _(rain) since last Friday. Wish it could stop raining tomorrow.has been writinghave been doinghas been raining. 根据汉语提示补全下列句子。根据汉语提示补全下列句子。1. 过去两个小时我一直在找经理，但总是占线。过去两个小时我一直在找经理，但总是占线。 I _ _ _ _ _ _ _ for the last two hours but the line was al
34、ways busy.2. 自从上个月的飓风使人们失去家园、工作和自从上个月的飓风使人们失去家园、工作和 企业以来，他们一直在接受财政援助。企业以来，他们一直在接受财政援助。 People _ _ _ _ _ since they lost their homes, jobs and businesses due to the storm last month.3. 这个女孩对运动很感兴趣，在过去的三年里这个女孩对运动很感兴趣，在过去的三年里 每周上两次羽毛球课。每周上两次羽毛球课。 The girl has a great interest in sport and _ _ _ _ _ twi
35、ce a week over the last three years. have been trying to reach the managerhave been receiving financial aidhas been taking badminton classes4. 珍妮珍妮古道尔一直在帮助世界其他地方理解古道尔一直在帮助世界其他地方理解 和尊重这些动物的生命。和尊重这些动物的生命。 Jane Goodall _ _ _ _ _ _ _ understand and respect the life of these animals.5. 这次他本应该通过考试的，但是他没有通过。这次他本应该通过考试的，但是他没有通过。 我一直在告诉他要更加努力学习。我一直在告诉他要更加努力学习。 He should have passed the exam this time, but he failed. I _ _ _ _ _ _ _.has been helping the rest of the worldhave been telling him to study harder
