Unit4 现在完成进行时 ppt课件-（2022新）人教版高中英语选择性必修第三册.pptx

1、Discover useful structuresUnit 4 Adversity and courageListen to an English song and try to fill in the blanks.I _ with a shadow overheadI _ with a cloud above my bedI have 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

2、them again somedayI _ aside time to clear a little space in the corners of my mindhave been living have been sleepinghave been hidinghave been settingThe Present Perfect Continuous TenseLead-in: Observe and discover1. This is the adventure that I have been dreaming of.2. We are now camped on the ric

3、e and we have been managing to survive, but spring is coming, and the ice will soon begin to melt.3. We have been struggling for days, but things on Elephant Island are going from bad to worse. The Present Perfect Continuous Tense基本含义：基本含义：表示动作从过去某一时间开始一直持续到现在，可能刚刚停表示动作从过去某一时间开始一直持续到现在，可能刚刚停, 止，也可能仍

4、在继续。止，也可能仍在继续。基本结构：基本结构：“have / has been + 现在分词现在分词” Usages We have been waiting for you for half an hour. Chinese have been making paper for two thousand years.动作发生在过去，刚终止，不再继续下去动作发生在过去，刚终止，不再继续下去动作发生在过去，还将继续下去动作发生在过去，还将继续下去 PresentPastFuture表示一段时间的状语表示一段时间的状语1. All these days he has been writing a

5、rticles to our magazine.2. Jack has been phoning Jane every night for the last week.表示动作并不是一直不停地进行，而是在断断续续地重复。表示动作并不是一直不停地进行，而是在断断续续地重复。 3. Tom has always been working hard.4. What have you been doing to my dictionary? 带有感情色彩，使语言表达更加生动带有感情色彩，使语言表达更加生动赞许的感情色彩赞许的感情色彩不满的感情色彩不满的感情色彩1. 2020 天津卷天津卷- You a

6、re a great swimmer. - Thanks. Its because I _ (practise)a lot these days.2. 2019 北京卷北京卷 A retired engineer, 76-year-old Wilson _ (offer) free rides to college students for the past eight years. 3. 2018 全国全国卷卷 Languages _(come and go) for thousands of years, but in recent times there has been less co

7、ming and a lot more going. has been offering have been coming and going have been practising现在完成进行时和现在完成进行时和现在完成时的区别现在完成时的区别 Ive been designing solar racing cars. Ive designed five or six different cars. 我我一直一直在设计太阳能赛车。在设计太阳能赛车。我我已经已经设计五六辆小汽车了。设计五六辆小汽车了。强调动作的延续性强调动作的延续性强调动作的结果强调动作的结果 Ive been taking

8、 part in races for four years. How many races have you taken part in? 我这四年我这四年一直一直在参加比赛。在参加比赛。你参加多少场比赛你参加多少场比赛了了? ?表示动作在重复表示动作在重复不表示动作的重复不表示动作的重复 Recently Mary has been doing sports regularly. Recently Mary has done her sports regularly. 最近玛丽一直定期做运动。最近玛丽一直定期做运动。( (有表扬意味有表扬意味) )最近玛丽定期做运动。最近玛丽定期做运动。(

9、(只说明一个事实只说明一个事实) )现在完成进行时现在完成进行时与所有进行时态一样与所有进行时态一样带有感情色彩带有感情色彩，可使表达显得生动，可使表达显得生动，而而现在完成时现在完成时往往只表明一个事实、一种影响或结果，往往只表明一个事实、一种影响或结果，不带感情色彩不带感情色彩。 We the homework. We the homework.某些某些不具延续性含义的动词不具延续性含义的动词，如，如come, go, marry, die, finish，leave等，等，不适用于现在完成进行时，但可不适用于现在完成进行时，但可用于现在完成时用于现在完成时。P41 21. The dog

10、 started to bark about two hours ago. 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 tennis for two

11、hours. The dog _ _about two hours. Steve _ rugby _ the age of eight. forhas been playingsincehas been barkingHe looks a little tired _ he _ table tennis for two hours.becausehas been playing4. Diane hasnt got much sleep this week. She looks terrible today.5. I tried to phone you this morning. I must

12、 have tried a dozen times before I caught you here. Diane _ well this week. I _ to phone you this morning.hasnt been sleepinghave been trying1. 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

13、_ (learn) how to paint for over five years.3. Even though we lost the game, we should be proud of ourselves because we _ (try) our best and _ (work) as a team.4. He finally _ (finish) the research paper under his tutors guidance.5. My nephew Sam _ (collect) comic books since he was five. Now he has

14、more than two hundred of them.6. The company _ (launch) an advertising campaign to promote its corporate image.P41 3has been discussinghas been learninghave been tryingworkingfinishedhas been collectingis launching/has launched/ launched1. 现在完成进行时的现在完成进行时的基本概念基本概念：表示表示动作从过去某一时间开始一直动作从过去某一时间开始一直 持续到现

15、在持续到现在，这个动作可能，这个动作可能刚终止刚终止，也可能，也可能还在进行还在进行。2. 现在完成进行时的现在完成进行时的构成构成: have/has + been + doing3. 现在完成进行时的现在完成进行时的常用时间状语常用时间状语: all the time, this week, all night, these few days, for, since等。等。4. 现在完成时和现在完成进行时的现在完成时和现在完成进行时的区别区别： 动作是否有动作是否有延续性延续性 是否表示动作是否表示动作重复性重复性 是否有是否有感情色彩感情色彩summaryPractice makes p

16、erfect.1. People _ (pour) into stadiums since the days of ancient Greece. (2021 全国乙卷全国乙卷)2. For the biggest stadiums in the world, we _(use) data supplied by the World Atlas list so far, which _ (rank) them by their stated permanent capacity, as well as updated information from official stadium webs

17、ites. (2021 全国乙卷全国乙卷)3. You know, I _ (look) for a job for three months, and this is my first formal interview.4. Tom _ (give) a talk to a large group of people, the same talk I _ (give) to half a dozen other groups.have usedhave been pouringrankshave been lookinggavehad given Last month, the Japane

18、se government _ (express) their thanks for the aid they _ (receive) from China. The construction of the two new railway lines _ (complete) by now. The prime minister hopes that the people will be better off when he quits than when he _ (start). We hope people living in disaster areas _ (return) to their normal life as soon as possible.expressedhad receivedhas been completedstartedwill return 语篇填空