Unit-5-Meeting-your-ancestors现在完成进行时的用法.doc

leadership intention and meaning into the text. Although his eyes now write only a relatively small number of materials, but also quite difficult, even to a molding material herself seems not very satisfied with the quality of service needs to be enhanced.Three is a lot of work to implement passive, active and advanced. Most contractors do matters assigned by the leadership, work is often in the orders, to implement the task, do not want to lead, not want to think ahead, plan ahead, and to seek the leadership; seek deep into the research, provide information good staff seek. Especially in the writing process of material, it encountered much, time tight, heavyUnit 5 现在完成进行时的用法一、现在完成进行时(构成：have/has + been + v-ing)的基本用法1. 表示一个由过去某时起一直持续到现在的动作，这动作可能刚刚停止，也可能还在进行；常和how long, since, for, all the time等状语连用。I have been working for 8 hours. 我已经持续工作了八小时。Hes been watching television all day. 他看了一天电视了。2.表示动作的多次重复。We have been discussing the matter several times this year. 我们今年已数次讨论那件事。3.表示某种感情色彩,如愿望或感慨等。I have been wanting to see you for a long time. 很长时间以来，我一直想见到你。Too much has been happening these days. 这些天发生了太多的事。二、现在完成进行时与现在完成时的区别1.现在完成进行时和现在完成时都可以表示动作的持续，二者有时可以互换使用，含义无甚差别。但现在完成时强调一个过去的对现在的影响或产生的结果，而现在完成进行时则强调动作的持续性。如：I have read the book. 我读过这本书。I have been reading the book. 我一直在读这本书。（可能还没有读完，还要继续读下去）【注】有少数动词（如work, study, live, teach, stay等）在表示持续一段时间时用这两种时态含义差不多（只是用现在完成进行时更强调动作的长久）。如：How long have you worked been working here? 你在这儿工作多久了？Ive lived been living here since 1988. 自1988年以来我就一直住在这儿。(强调住在这里很久了)2. 现在完成时通常只陈述事实，而现在完成进行时还可表示一种感情色彩。如：What have you been doing? 你一直都在做什么？(表示惊异)What have you done? 你做了什么？3.现在完成进行时可以表示动作的重复，而现在完成时一般不表示重复性。They have been meeting lately. 他们近来经常见面。They have met lately. 他们近来见过面。4. 有些动词不能用在现在完成进行时中，但可用在现在完成时中。如：表示状态的动词如be, have, exist, belong, own ，表示感情的动词如like, love, hate，表示感觉的动词如see, hear, feel, sound，短暂性的动词如want, finish, get up, know等He has had a terrible headache for the last few days.They have finished the work which was assigned to them last month. 5现在完成进行时不与never, ever, yet, already等副词连用，但现在完成时可以。如：I have already read the novel three times.I have never met any superstar before. 练习一 选择题1. Im sure Andrew will win the first prize in the final. I think so. He _ for it for months. (2008江苏)A. is preparingB. was preparingC. had been preparingD. has been preparing2. By the time he realizes he _ into a trap, itll be too late for him to do anything about it. (2008山东) A. walks B. walked C. has walked D. had walked3. So far this year we _ a fall in house prices by between 5 and 10 percent. (2008福建) A. saw B. see C. had seen D. have seen4. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she _ English for a year. (2007湖南) A. studies B. studied C. is studying D. has been studying 5. Danny _ hard for long to realize his dream and now he is popular. (2007福建)A. worksB. is working C. has worked D. had worked6. I have got a headache.No wonder. You_ in front of that computer too long. (2007江西) A. work B. are working C. have been working D. worked7. The unemployment rate in this district_ from 6% to 5% in the past two years. (2007上海)A. has fallen B. had fallen C. is falling D. was falling8. Now that she is out of job, Lucy _ going back to school，but she hasnt decided yet.(北京)A. had considered B. has been considering C. considered D. is going to consider9. _ you _ him around the museum yet? (2007江苏) Yes. We had a great time there. A. Have ; shown B. Do ; show C. Have; been showing D. Did; show10. Hi, Tracy，you look pale. I am tired. I _ the living room all day.A. painted B. had painted C. have been painting D. have painted二 完成句子1.我真的受够了这种天气 I _this weather2.自从上周以来一直下雨 It _since this week3.最近我已回过老家 I _my hometown recently4.他们结婚将近15年了 They _for almost 15 years.5.在你离开北京之前，你一直在做什么？What _before you left?between the requirements. And in the encounter the tedious work, complex things, sometimes take the method of escape, that bridge the boat to the bridge straight , not their own force please find countermeasures, but to wait for the self, the lack of a spirit of hard research.Two, the cause of the problemThrough the analysis, I feel that there are many reas