人教课标版高中英语选修8Unit5Using Language课件.ppt(课件中不含音视频素材)

1、Unit 5 Grammar Revise the verb tenses Revise the verb tenses(Present Perfect(Present Perfect Continuous Tense)Continuous Tense)ObjectiveTo revise the present perfect continuous tense and use it properlyEnglish song:Way back into love Listen and fill in the blanks.I _ with a shadow overheadI _ with a

2、 cloud above my bedIve been lonely for so longTrapped in the past,I just cant seem to move onI _ all my hopes and dreams awayJust in case I ever need them again somedayI _ aside timeTo clear a little space in the corners of my mind ve been livingve been sleepingve been hidingve been settingStructure

3、:have/has+been+v-ingStudy these example situationsWe also use the present perfect continuous tense to talk about actions that started in the past and are still continuing.We use the present perfect continuous tense to talk about actions that have just finished but are still connected with the presen

4、t in some way.She has been living in New Zealand for over a year now.Your eyes are red have you been crying?How long have you been waiting for me?Its been raining heavily all night.a recent situation or activity that started in the past and is still happening now or has just stoppedwhen we talk abou

5、t how long the action or event has been going onwhen we ask questions with How long?Look at the following sentences.1.Ive been waiting for you for a long time!(必修必修3)2.Recently,however,scientists have been finding that long-term use of these fertilizers can cause damage to the land and,even more dan

6、gerous,to peoples health.(必修必修4)Have a look1.Weve been excavating here for many years and 2.We have been excavating layers of ash almost six metres thick,3.Well,weve been finding the bones of tigers and bears in the caves,and we think these were their most dangerous enemies.Sentences from this unit:

7、现在完成进行时现在完成进行时:基本用法基本用法 1)强调动作的持续性。强调动作的持续性。The telephone has been ringing for almost a minute.Why hasnt anyone answered it?电话响了差不多一分钟，为什么没人接电话响了差不多一分钟，为什么没人接?Present Perfect Continuous TensePresent Perfect Continuous Tense 2)表重复。叙述从过去某时到现在或最表重复。叙述从过去某时到现在或最近一直重复的动作。近一直重复的动作。The weather has been cha

8、ngeable lately;Ive been having a lot of colds.最近天气变化无常，我时常感冒。最近天气变化无常，我时常感冒。3)有感情色彩。有感情色彩。Too much has been happening today.今天真是一个多事之日。今天真是一个多事之日。4)现在完成进行时有时可以表示刚刚完结现在完成进行时有时可以表示刚刚完结 的动作。有时它是现在事件的直接原的动作。有时它是现在事件的直接原 因，或者是得出结论的证据。因，或者是得出结论的证据。My hands are dirty.Ive been painting the car.我的手很脏，我在油汽车来着

9、。我的手很脏，我在油汽车来着。Your eyes are red and puffy.Have you been crying?你的眼睛又红又肿，你是不是哭来着？你的眼睛又红又肿，你是不是哭来着？1)现在完成时现在完成时强调动作在过去已经完成，强调动作在过去已经完成，但对现在有影响或其结果现在仍然存但对现在有影响或其结果现在仍然存 在。在。I have written a book on UFOs.It was finished last year.现在完成进行时现在完成进行时着意于动作本身，是一着意于动作本身，是一 种持续的种持续的(但不一定是结束了的但不一定是结束了的)活动。活动。I ha

10、ve been writing a book on UFOs.I should be able to finish it early next year.现在完成进行时和现在完成时的比较现在完成进行时和现在完成时的比较:2)现在完成时现在完成时陈述事实。陈述事实。My father has lost his keys.现在完成进行时现在完成进行时则强调动作在不久以则强调动作在不久以 前持续进行的情景，并带有感情色彩前持续进行的情景，并带有感情色彩 (有有“责怪或无奈责怪或无奈”之意之意)。My father has always been losing his keys.3)现在完成时现在完成

11、时既可用于状态性动词，也既可用于状态性动词，也 可用于动作性动词。可用于动作性动词。I have had this computer for 10 years,with which I have written plenty of articles.现在完成进行时现在完成进行时通常只用于动作性通常只用于动作性 的动词。的动词。I have been writing articles with this computer for 10 years.4)有少数动词有少数动词(如如work,study,live,teach,stay等等)在表示持续一段时间时用这两在表示持续一段时间时用这两 种时态含

12、义差不多，只是种时态含义差不多，只是用现在完成用现在完成 进行时更强调动作的持续性进行时更强调动作的持续性。How long have you worked/been working here?For ten years.1.Hi,Tracy,you look tired.Im tired.I _ (paint)in the living room all day.2.There is so much snow these days,isnt there?Yes,it _(snow)for a few days.have been paintinghas been snowingFill in

13、 the blanks.3.Although these scientists _(work)on the project for nearly four years,I dont know how long it will last.4.Now that she is out of job,Lucy _(consider)going back to school,but she hasnt decided yet.5.The little boy is dirty from head to foot because he _(play)in the mud all morning.have

14、been workinghas been consideringhas been playingReview现在完成进行时，其构成为：现在完成进行时，其构成为：have/has+been+v-ing其表达的意思主要有两种：其表达的意思主要有两种：1.表示从过去某时开始一直持续到现表示从过去某时开始一直持续到现在的动作，并且还将持续下去。在的动作，并且还将持续下去。2.表示在说话时刻之前到现在正在进表示在说话时刻之前到现在正在进行的动作。行的动作。注注:另附另附 word word 文档。文档。点击此处链接点击此处链接I.Fill in the blanks with the correct f

15、orms of the verbs in brackets.1.Since the time humankind started gardening,we _(try)to make our environment more beautiful.(2014湖南湖南)2.Where is Peter?I cant find him anywhere.He went to the library after breakfast and _(write)his essay there ever since.(2015福建福建)have been tryinghas been writing3.Mar

16、y _(work)really hard on his book and thinks hell have finished it by Friday.(2015陕西陕西)4.Excuse me,which movie are you waiting for?The new Star Wars.We _ _(wait)here for more than two hours.(2016北京北京)5.Dashan,who _(learn)crosstalk,the Chinese comedic tradition,for decades,wants to mix it up with the

17、Western stand-up tradition.(2016江苏江苏)have been waitinghas been learninghas been working6.Inventors _(try)to make flying cars since the 1930s,according to Robert Mann,an airline industry expert.(2017全国全国II)7.Why is the worlds population growing?The answer is not what you might think.The reason for th

18、e explosion is not that people _(reproduce)like rabbits,but that people have stopped dropping dead(暴毙暴毙)like flies.(2017江苏江苏)have been tryinghave been reproducingII.Read the situations and complete the sentences.1.I started Spanish classes in December.Im still learning Spanish now.I _ since December

19、.2.Ann began looking for a job six months ago.Shes still looking now.Ann _ for six months.3.Years ago you started writing to a penfriend.You still write to each other regularly now.They _ for years.have been learning Spanishhas been looking for a jobhave been writing to each otherIII.阅读下面材料，在空白处填入适当

20、内容阅读下面材料，在空白处填入适当内容 (不多于不多于3个单词个单词)或括号内单词的正确形或括号内单词的正确形 式。式。We have just moved into a new house and I _(work)hard all morning.I _(try)to get my new room in order.This has not been easy _ I own over a thousand books.To make matters _(bad),the room is rather small,so I have _(temporary)put my books on

21、 the floor.have been workinghave been tryingbecausetemporarilyworseAt the moment,they cover every inch of floor space and I actually have to walk on them _(get)in or out of the room.A short while ago,my sister helped me to carry one of my old bookcases up the stairs.She went into my room and got a big surprise _ she saw all those books on the floor.This is the prettiest carpet I _(ever,see),she said.She gazed at it for some time then added,You dont need bookcases at all.You can sit here _ your spare time and read the carpet!to getwhenhave ever seeninFinish the exercises in Learning English.