Unit 4 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(1).pptx

1、Discover useful structuresthe present perfect continuous tense To learn the present perfect continuous tense. To practice the present perfect continuous tense by completing some exercises.Listen to an English song and try to fill in the blanks.I _ with a shadow overheadI _ with a cloud above my bedI

2、 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 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 Perf

3、ect Continuous TenseLead-in:现在完成现在完成进行时进行时结构 常用的时间状语12现在完成进行时和现在完成时的区别34用法1. This is the adventure that I have been dreaming of.2. We are now camped on the rice 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 th

4、ings on Elephant Island are going from bad to worse.4. She has been sleeping for 6 hours and still cant wake up.结构结构 The Present Perfect Continuous Tense基本结构：基本结构：“have / has been + 现分现分” have/has been doing用法用法 We have been waiting for you for half an hour. Chinese have been making paper for two th

5、ousand 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。PresentPastFuture1. All these days he has been writing articles 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，而是在断断续续地表示动作并不是一直不停地进行，而是在断断续续地重复重复。 3. Tom has always been work

6、ing 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Summary：现在完成进行时的现在完成进行时的用法用法1.表示表示动作从过去某一时刻开始一直持续到现在动作从过去某一时刻开始一直持续到现在，甚至，甚至将来将来，强调强调进行的过程进行的过程。2. 表示表示从过去到现在的一段时间反复进行的动作或存在的状态从过去到现在的一段时间反复进行的动作或存在的状态。Look & discover: A private dete

7、ctive has been tailing (跟踪跟踪) him for several weeks. Tom loves outdoor activities - he has been fishing and hunting since he was a child.Summary:现在完成进行时常与现在完成进行时常与表示一段时间表示一段时间的状语连用，例如：的状语连用，例如：all the time, several times, this week, all night/morning, these few days, over/in the past five years, for

8、, since, 等。等。常用常用的的时间状语时间状语现在完成进行时现在完成进行时和和现在完成时现在完成时的区别的区别Translation: 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 part in races for four years. How many races have yo

9、u 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Summary： 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1. 现在完成进行时的现在完成进行时的结构结构: have/has + been + doing2.用法用法： 表示表示动作从过去某一时刻开始一直持续到现在动作从过去某一时刻开始一直持续到现在，甚至，甚至将来将来，强调，强调进行的过程进行的过程。 表示表示从过去到现在的一段时间反复进行的动作或存在的状态从过去到现在的一段时间反

10、复进行的动作或存在的状态。3. 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Review1. 2020 天津卷- You are a great swimmer. - Thanks. Its because I _ (practise)a lot these days.2. 2019 北京卷 A retired engineer, 76-

11、year-old Wilson _ (offer) free rides to college students for the past eight years. 3. 2018 全国卷 Languages_(come and go) for thousands of years, but in recent times there has been less coming and a lot more going. 4. (2021 全国乙卷)People _ (pour) into stadiums since the days of ancient Greece. has been o

12、ffering have been coming and going have been practising高考对接高考对接have been pouring5. (2021 全国乙卷)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 w

13、ebsites. 6. 江西卷 -Tony, why are your eyes red? -I _ (cut) up peppers for the last five minutes.7. 湖南卷 Since the time humankind started gardening, we _ (try) to make our environment more beautiful. have usedrankshave been cuttinghave been tryingRead each situation and rewrite each sentence using the p

14、resent perfect continuous tense. P41 21. The dog 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

15、little tired after playing table tennis for two hours. The dog has been barking for about two hours. Steve has been playing rugby since the age of eight. He looks a little tired because he has been playing table tennis for two hours.4. Diane hasnt got much sleep this week. She looks terrible today.5

16、. I tried to phone you this morning. I must have tried a dozen times before I caught you here. Diane hasnt been sleeping well this week.I have been trying to phone you this morning.1. For the whole morning, the board of the directors _ (discuss) the resolution to increase wages in the coming year.2.

17、 Jasons only recreation is painting. He _ (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) co

18、mic 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.has been discussinghas been learninghave been tryingworkingfinishedhas been collectingis launching/has launched/ launchedComplete the sentences below

19、 using the correct tenses of the verbs in brackets. P41 3 A big elephant was walking on the ground. He 1. _ (move) through the tall grass for two days, eating and resting. Not far from him 2. _ (stand) a woman with a big camera in her hands. She took another photo of the elephant, still amazed at hi

20、s long tusks(獠牙). Swallowing a mouthful of grass, the elephant turned his head to see that the woman 3. _ (take) even more photos of him. “That woman has no manners. She 4. _ (follow) me all day,” he thought. “She 5. _ (take) 100 photos of me and 6. _ (write) 42 pages of notes. But she hasnt even given me a single peanut!”had been movingstood 语篇填空was takinghas been followinghas takenwritten谢谢观看谢谢观看