1、Section Using language Grammar现在完成进行时一、概念现在完成进行时表示动作从过去某一时间开始，一直持续到现在，可能还要继续进行下去。二、结构1肯定形式：have/hasbeen doing (第三人称单数用has，其他人称用have)I have been waiting for you.我一直在等你。2否定形式： have/hasnotbeen doingHe hasnt been using the car for the last two months.过去两个月他一直没用车。三、用法1表示动作从过去某时开始一直持续到说话时还在进行，或可能还要继续下去。通常
2、和“for时间段”或“since时间点(或从句)”的时间状语连用。It has been snowing for three hours.雪已经下了三个小时了。(从过去某一时间开始下雪，强调到现在还在下)2表示不久前刚刚结束的动作。这种意义通常根据上下文来判断。Sorry! Im late.How long have you been waiting for me?We have been waiting for you for half an hour.很抱歉，我来迟了。你们等多长时间了？我们已经等了你半小时了。3强调动作延续时间的长久或带有感情色彩。Shes been saying tha
3、t twenty times.那话她已经说了二十遍了。4表示这段时间反复发生的事情。I have been visiting some cities of China this month.这个月我一直在访问中国的一些城市。四、不能用现在完成进行时的情况1某些不能用于进行时的动词同样也不能用于现在完成进行时，只能用现在完成时，如see, hear, know, have, like, be等。他已经感冒两个星期了。He has been having a cold for two weeks.()He has had a cold for two weeks.()2不具有延续意义的动词，如fi
4、nish, come, go, marry等不能用于现在完成进行时。单句语法填空 Nancy doesnt look very well.Whats wrong with her?She has a terrible headache because she has been working (work) too long.She should stop to have a good rest.Tony, why are your eyes red?I have been cutting (cut) up peppers for the last five minutes.Its said t
5、hat they have been enjoying (enjoy) a better life ever since they moved to the US.You look tired out.What are you doing?I have been painting (paint) the house all the morning and its a pity that I have to keep on until it is finished.I have been wondering (wonder) whether I can pass the interview fo
6、r the job.五、现在完成时与现在完成进行时的区别1完成性现在完成时的“已完成”用法强调动作的完成，现在完成进行时侧重于表示未完成。I have dialed four times.I dont think anyone is in the office.我已经拨了四次电话了，我认为办公室里没人。I have been dialling.I dont think anyone is in the office.我一直在打电话，我认为办公室里没人。2动作的持久性现在完成时表示动作过程的持续性，而现在完成进行时更强调动作延续时间的长久性。I have stayed in Lisbon for
7、 six weeks.我在里斯本待了六周。I have been staying in Lisbon for six weeks.我在里斯本待六周了。3动作的频繁性现在完成时同某些频度副词或数字连用时，表示反复的但可能有间断的动作，现在完成进行时可以表示断断续续地重复的动作，但不能同表示具体次数和具体数字的词并用。I have posted a dozen postcards, but received none.我寄出了一打贺卡，可一张(别人给我的)也没收到。I have been posting postcards since early December.自十二月初开始，我一直都在忙着寄
8、贺卡。I have read this book Pride and Prejudice several times.()I have been reading this book Pride and Prejudice several times.()傲慢与偏见这本书我已经读过好几遍了。4感情色彩现在完成时感情色彩不浓，而现在完成进行时带有较为强烈的感情色彩。You have been disturbing me.你一直在打扰我。Someone has been speaking ill of me.有人一直在说我的坏话。5其他用法(1)现代英语中，如lie, rest, wait, sta
9、y, sleep等谓语动词更倾向于用现在完成进行时。The baby has been sleeping for about ten minutes.这个婴儿已经睡了大约十分钟了。(2)love, know等状态动词，要用现在完成时，不用现在完成进行时。They have known each other for ten years.他们认识十年了。即时演练二选择填空We have visited England .We have been visiting England .Asix timesBsince we started learning EnglishWhy is the tabl
10、e in such a mess？ Have something to eat. Here you are.AIve been making a salad.BIve made a salad.Someone has eaten our toasts. Someone has been eating our toasts. AThere is only one toast left.BThey are all gone.How long ？How many times ？Ahave you been trying to contact meBhave you tried to contact
11、meIve typed .Ive been typing .Athree letters since you came homeBletters since you came home答案：ABABBAABAB1(教材P66) For countries such as Costa Rica, Kenya and Nepal, ecotourism is an important part of the economy.对哥斯达黎加、肯尼亚和尼泊尔等国家来说，生态旅游是经济的重要组成部分。economy n经济(1)market economy市场经济planned economy 计划经济k
12、nowledge economy 知识经济global economy 全球经济(2)economic adj. 经济的，经济上的；经济学的economical adj. 经济的；节约的；合算的economics n. 经济学(佳句)The number of tourists declined by at least 20% last year because of the slowgrowing economy.由于经济增长缓慢，去年游客数量至少下降了20%。练透单句语法填空/补全句子With American tech companies cutting ties with Chinas
13、 Huawei, US is damaging the global economic (economy) recovery now.Going by train is more economical (economy) than going by plane.With the arrival of information age and knowledge economy, continuing education becomes every teachers only choice.随着信息时代和知识经济的到来，继续教育成为每一位教师的唯一选择。写美翻译句子随着市场经济的快速发展，金钱在社
14、会中扮演着越来越重要的角色。With the rapid development of market economy, money plays a more and more important role in the society.名师指津economic与economical均可表示“经济的”，其区别可简单地概括为：economic主要与“财政”有关，而economical主要与“节约”有关。2(教材P67) disturb the wildlife 打扰野生动物disturb v干扰，扰乱(1)disturbing adj. 引起烦恼的；令人不安的emotionally/mentall
15、y disturbed情绪/精神失常的be disturbed about 对感到忧虑(2)disturbed adj. 心神不宁的；精神失常的；烦恼的(3)disturbance n. 打扰(佳句)The room, and the view, and the two people, seemed so calm that I did not want to disturb them.这房间，这景致，还有那两个人，看上去那么平和安宁，我真不愿打扰他们。练透单句语法填空They were all disturbed by the disturbing news, that is, the ne
16、ws disturbed all of them.(disturb)Police are very disturbed about the latest trend.写美补全句子Are you afraid of being made fun of? This type of anxiety can deeply disturb peoples enjoyment of social relationships.害怕被嘲笑吗？这种焦虑会深深地打扰人们享受社交关系。3(教材P67) You are a hotel operator who wants to build a hotel on so
17、me forested land.你是一个酒店经营者，想在森林密布的地方建一个酒店。operator n经营者；操作员(1)operate vi.工作；运转；给动手术；起作用vt. 操作；经营operate on/upon sb. 给某人动手术(2)operation n. 手术；运转；操作be in operation 经营；营业come/go into operation 开始工作/运转；生效put/bring .into operation 实施/施行(佳句)While driving through the city, she showed me the building in whi
18、ch she once worked as a lift operator.开车穿过城市时，她给我看了她曾经做过电梯操作员的那栋大楼。练透单句语法填空Protective clothing must be worn when the machine is in operation (operate)For most people, its almost impossible to operate (operate) a computer without a mouse, let alone surf the Internet.His left knee is being operated on
19、 and I believe it wont be long for him to recover.写美补全句子Were all ready to put it into operation; in other words, were going to take action as fast as possible.我们已经准备好将其投入使用；换句话说，我们将尽快采取行动。4(教材P67) You are a conservationist who wants to protect the wildlife there.你是一个环境保护主义者，想要保护那里的野生动物。conservationi
20、st n(动植物或古旧建筑的)保护工作者；环境保护主义者(1)conserve vt.保护；保存；节约conserve environment 保护环境conserve energy 节约能源(2)conservation n. (对自然环境的)保护(佳句)It takes a seasoned conservationist like Mr Wang a whole year to restore just three to four paintings.像王先生这样经验丰富的自然保护主义者，花了整整一年的时间才修复了三到四幅画。练透单句语法填空Every household can do
21、something to support the conservation (conserve) of the environment and improve our quality of life. Charlie goes on a series of misadventures to find the kangaroo, with the help of Jessie, a wildlife conservationist (conserve)写美翻译句子因此，应采取有效措施并通过法律来保护环境。Therefore, effective measures should be taken and laws passed to conserve environment.6
