Unit 4Discover Useful Structures ppt课件-（2019版）新人教版选择性必修第三册高中英语.pptx

1、adversitywagebitterexpeditionendurancevigourqualitifiedenthusiasticaboardcupboardn.困境；逆境困境；逆境n.工资工资adj.严寒的；味苦的严寒的；味苦的n.探险；远征探险；远征n.忍耐力；耐久力忍耐力；耐久力n.精力；力量精力；力量adj.符合资格；具备符合资格；具备.的知识的知识adj.热情的；热心的热情的；热心的adv&prep. 上（船、飞机等）上（船、飞机等）n.橱柜；壁橱；衣柜橱柜；壁橱；衣柜 Words reviewassignstewardenvycrushsinkabandonstoveblank

2、etbelongingsbanjon.分派；布置分派；布置n.（轮船或飞机上的）乘务员（轮船或飞机上的）乘务员n.&vt.羡慕；妒忌羡慕；妒忌vt.毁坏；压坏毁坏；压坏 n.拥挤的人群拥挤的人群vi.沉迷；下沉沉迷；下沉vt.舍弃；抛弃舍弃；抛弃n.炉具；厨房灶具炉具；厨房灶具n.毯子毯子n.财务；动产财务；动产n.班卓琴（乐器）班卓琴（乐器）Words reviewmiserablevoyagenavydecentcosyselfishgood/bad-tamperedgenuineperseverancepersevereadj.痛苦的；令人难受的痛苦的；令人难受的n.&vi.航海；航行航

3、海；航行n.海军；海军部队海军；海军部队adj.相当不错的；正派的相当不错的；正派的adj温馨的；舒适的温馨的；舒适的adj.自私的自私的adj.脾气好的脾气好的/坏的坏的adj.真正的；真诚的；真正的；真诚的；n.毅力；韧性毅力；韧性vt.&vi.坚持；孜孜以求坚持；孜孜以求Words reviewresolveresolutioncrewcruelthoroughfurnitureunfortunatelyfortunatelyapplicationvt&vi .决定；决定；n 决心决心n. 会议会议n.（轮船、飞机上的）工作人员（轮船、飞机上的）工作人员adj.残忍的；残酷的残忍的；残酷

4、的adj.深入的；彻底的深入的；彻底的n.家具家具adv.不幸地；遗憾地不幸地；遗憾地adv.幸运地幸运地n.申请；请求；应用申请；请求；应用Words reviewbarkrugbybatdamprecreationguidancenephewadvertisingadvertisevi.&n.（狗）吠叫；吠叫声（狗）吠叫；吠叫声n.橄榄球运动橄榄球运动n.球拍；蝙蝠；球拍；蝙蝠；vt.&vi.拍打拍打adj.潮湿的；湿气重的潮湿的；湿气重的n.娱乐；消遣；游戏娱乐；消遣；游戏n.指导；引导；导航指导；引导；导航n.侄子；外甥侄子；外甥n.广告活动；广告业广告活动；广告业vt.&vi.公布；

5、宣传；做广告公布；宣传；做广告Words reviewcorporateroughnavigatorloyalmotorcandidatemake firegive offepisodeadj.公司的；法人的；公司的；法人的；adj.汹涌的；粗糙的汹涌的；粗糙的n.领航员；航行者领航员；航行者adj.忠诚的；忠实的忠诚的；忠实的n.发动机；发动机；adj. 有引擎的有引擎的n.候选人；应试者候选人；应试者生火生火放出（热、光、气味）放出（热、光、气味）n.一段经历；片段一段经历；片段Words reviewcommitmentmotiveConfucianismn.承诺；保证；风险承诺；保证；

6、风险n.动机；原因；目的动机；原因；目的n.孔子学说；儒家孔子学说；儒家Words review1.I started to watching the movie one hours ago .2.I am still watching the movie now and it is still showing.I have been watching the movie . （过去发生的动作） （一直持续到现在）Lead-inStructure :have/has + been doing sthPresent perfect continuous tense（现在完成进行时态）1. 现在完

7、成进行时表示过去开始到现在（没有停止）且还将 的动作，一般翻译成: _ 持续一直做某事。I am still watching .I started to watch the film.pastnowfutureDefinitionCompare these two sentences1.I have been watching the film.2.I have seen the film .我这一个小时一直在看这个电影。（强调一直在看的过程）我看过这个电影。（强调动作完成及其影响）（我知道它的内容）总结1: 现在完成进行时强调动作的_。 现在完成时强调动作完成及造成的_. 持续过程结果Co

8、mpare these two sentences1.I have read this book twice.2.I have been reading this book for two weeks.这本书我读过两次。（表示可以重复的、间断的动作）这两周我一直在读这本书。（表示持续的、不间断的动作）总结2: 现在完成进行时强调动作_。 现在完成时强调动作_. 持续进行可重复或出现过多次Compare these two sentences1.How many times have you read this book?2.How long have you been reading this

9、 book?这本书你读过多少次了？（表示可以重复的、间断的动作）你读这本书多长时间了？（表示持续的、不间断的动作）总结3: 现在完成进行时提问可以用_。 现在完成时提问用_。How long开头（表示“多长时间”） How many 开头（表示“多少次”）Where have you been?I have been waiting for you for an hour.（你去哪儿啦，我都等了你一小时了）强调等的时间久以及心里有不满情绪。As we expected,he got a good grade for he has been working hard all this term.

10、(不出所料，他获得了好成绩，因为这个学期他一直在努力学习。）强调动作一直在进行以及心里上的赞赏情绪。Grammar rule强调动作延续时间久或者带有赞赏、抱怨、不满等情绪时，一般用现在完成进行时。Grammar ruleI have already finished my homework.I havent finished my homework yet.I have never/ever been to Beijing. I have already been finishing my homework.I havent been finishing my homework yet.I

11、have never/ever been travelling to Beijing. Grammar ruleGrammar rule1). A. I have had this book for 2 years. B. I have been having this book for 2 years2) A. I have taken photos of UFOs with this camera. B. I have been taking photos of UFOs with this camera.Grammar rule现在完成时现在完成时中可以用表示中可以用表示状态状态或表或表

12、示示动作动作的动词做谓语。的动词做谓语。而而现在完成进行时现在完成进行时只能用表示只能用表示动作动作的词。的词。1. 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.Where is Peter? I cant find him anywh

13、ere. -He went to the library after breakfast and _his essay there ever since. A. wroteB. had written C. has been writing D. is writingC 6. Im tired out. I _ all afternoon and I dont seem to have finished anything. A. shopped B. have shopped C. had shopped D. have been shopping 7. Why, Jack, you look

14、 so tired! Well, I _ the house and I must finish the work tomorrow. A. was painting B. will be painting C. have painted D. have been paintingReview1. 现在完成进行时的概念及用途。现在完成进行时的概念及用途。2. 现在完成进行时与现在完成时的区别。现在完成进行时与现在完成时的区别。Finish the exercises in your textbook.I. Look at the sentence in the present perfect

15、continuous tense. Find more examples from the previous text and discuss the function of the tense.EXAMPLE: This is the adventure that I have been dreaming of._II. Read each situation and write a sentence that best describes it.1. The dog started to bark about two hours ago. I really hope it will sto

16、p soon.=The dog has been barking for about two hours. I really hope it will stop soon.2. Steve started to play rugby at the age of eight. Now he has become a professional player.3 Timmy is holding a table tennis bat and his short hair is damp with sweat. He looks a little tired after playing table t

17、ennis for two hours.4 Diane hasnt got much sleep this week. She looks terrible today.5 I tried to phone you this morning. I must have tried a dozen times before I caught you here.III. Complete the sentences below using the correct tenses of the verbs in brackets. Then explain your reasons to your pa

18、rtner.1. For the whole morning, the board of the directors _(discuss) the resolution to increase wages in the coming year.2. Jasons only recreation is painting. He _ (learm) how to paint for over five years.3. Even though we lost the game, we should be proud of ourselves because we _(ty) our best an

19、d_(work) as a team.has been discussinghas been learninghave been tryingworking4. He finally _(finish) the research paper under his tutors guidance.5. My nephew Sam_ (collect) comic books since he was five. Now he has more than two hundred of them.6. The company_(launch) an advertising campaign to promote its corporate image.finishedcollectedlaunchedIV. Work in pairs. Interview your partner about the things that he/she has been doing. The following questions might help you. Do you have any hobbies or interests? How long have you been learning/playing . What have you been doing recently?