Unit4 Discover Useful Structures （ppt课件）-新人教版（2019）《高中英语》选择性必修第三册.pptx

1、Discover useful structures人教版新教材选择性必修三 Unit4Make a guessThey have been looking after you since you were born.They have been providing you with whatever you want.They have been loving you deeply.Do you know who they are?The Present Perfect Continuous TenseIn form:have/has been doingIn meaning:the act

2、ion is continuous from the past Now look for more sentences with the present perfect continuous tense in the reading passage,and summarise its use in your own words.It rained last night,but it stopped this morning.Observe and discover1.This is the adventure that I have been dreaming of.2.We are now

3、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 things on Elephant Island are going from bad to worse.The present perfect continuous tense现在完成进行时 We for days.have been strugglinghave/has donebe do

4、ingcontinuous tense进行时进行时 present perfect tense现在完成时现在完成时What kind of tense is used in the sentence?have/has+been+doing现在完成进行时现在完成进行时FORM:DISCOVERComplete the conversation.Put the verbs into the present perfect progressive.Interviewer:Liu Fang,what_(do)recently?Liu Fang:Well,I _(give)concerts in Ame

5、rica.学Interviewer:Have you _(play)any new pieces?Liu Fang:Yes.I _(play)some classical American tunes.Interviewer:What else have you_(do)?Liu Fang:I _(learn)how to play the konghou.网have you been doinghave been givingbeen playinghave been playingbeen doinghave been learningPast2 hours agonowreadingfu

6、turestartedstillgo onhas been readingDISCOVERSorry.Have you been waiting long?I have been waiting for an hour.LilyCathyD I S C O V E RPastOne hour agonowwaitingarrivesfuturehas been waitingstartedCathyLilyD I S C O V E RWe use the present perfect progressive tense to talk about non-stop actions that

7、 have just finished but are still connected to the present in some way.He started learning English in 2010.He is still learning English now.He has been learning English for 6 years/since 2010.D I S C O V E RPast2010nowlearningfuturestartedstillgo onhas been learningDISCOVERWe also use the present pe

8、rfect progressive tense to talk about actions that started in the past and are still continuing.1PRACTICEUnderstand the following situations and complete the sentences.Pay attention to the time adverbials.Practice 1It began to rain this morning.It is 6 pm now and it is still raining.It_ all day.has

9、been rainingNoImageHe is still learning Chinese now.He_ since December.has been learning ChinesePractice 2Mike began looking for a job six months ago.He is still looking now.Mike_ for six months.has been looking for a jobPractice 3She _(study)in the library every night over the last three months.has

10、 been studyingPractice 4I _(sit)here enjoying the music all the morning.have been sittingPractice 5It has been raining all day.He has been learning Chinese since December.Mike has been looking for a job for six months.She has been studying in the library every night over the last three months.I have

11、 been typing the whole morning.I have been sitting here enjoying the music all the morning.all daysince Decemberfor six monthsevery night over the last three monthsall the morningIt has been raining all day.He has been waiting for a car for 20 minutes.He has been learning Chinese since December.I ha

12、ve been typing the whole morning.for+时间段时间段/since+时间点时间点all day/all night/all the morning/all the timethis week/this monthrecently最近最近2ExtensionSpot the difference between the tenses.have/has been doing VS.have/has done have/has been doing VS.be(was/were)doing Lin Zipeng was reading the book.Lin Zip

13、eng has read the book.Lin Zipeng has been reading the book all the morning.has readhas been readingD I S C O V E RLi Jia has read a book.She likes it very much.Li Jia has been reading a book.She finished reading the book.She is still reading the book.Spot the Difference Spot the Difference have been

14、 doing VS.have/has doneABABToms clothes are covered with paint.He has been painting the room.The ceiling was white.Now it is green.Tom has painted the room.ABABHe finished painting the room.He is still painting the room.Mary is busy.She has been cleaning the room.The room is tidy.Mary has cleaned th

15、e room.ABABShe finished cleaning the room.She is still cleaning the room.A.the present perfect tense 现在完成时现在完成时B.the present perfect progressive tense 现在完成进行时现在完成进行时1._is used to talk about an action completed in the recent past but are connected with the present.2._is used to talk about an action t

16、hat started in the past and is still happening or a non-stop action or a repeated action until recently.AB-Mr.Wolf,what have you been busy with these days?-I _(try)to catch goats,but _never _ (catch)a single one so far.have been trying have caught pastpresent futurehas/have donehas been doingI will

17、be back soon!Practice3be(was/were)doing强调强调过去某时刻或某段时间正在进行的动作过去某时刻或某段时间正在进行的动作;have/has done强调动作已经完成强调动作已经完成/结束结束,行为结果在现在能感受到行为结果在现在能感受到;have/has been doing强调动作仍在持续，有时候带有感情色彩。强调动作仍在持续，有时候带有感情色彩。Difference 动作的延续性动作的延续性动作的结果动作的结果Complete the passage with the correct form of the verbs.Last night,I_(went

18、/have been)to see a concert by the Chinese-born Canadian artist Liu Fang.She was born in China and_(studied/has been studying)music in Shanghai,but she_(lived/has been living)in Canada since 1996.She_(played/has been playing)traditional Chinese music since she was very young.Last night,she_(performe

19、d/has performed)a series of classical Chinese pieces for the pipa and the guzheng.I_(bought/have bought)a CD of her music after the concert and I _(listened/have been listening)to it all day today!Interview your partner about something about he/she:hobbies,new habits,family,hometown and dream etc.Th

20、e 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?REQUIREMENT:Use the present perfect continuous if possible.A:Do you have any hobbies?B:Sure.I have several hobbies such as table tennis,photography,and

21、kite flying.But my favourite hobby is playing the guitar.A:How long have you been learning the guitar?B:I have been learning the guitar since I was eight years old.I saw a video of someone playing and I fell in love with it.A:Thats great.Show Time!Fill in the blanks.I _ with a shadow overhead.I _ wi

22、th a cloud above my bed.I _ all my hopes and dreams away.I _ aside time.I _ but the stars refuse to shine.I _ but I just do not see the signs.I _ someone to shed some light.have been living have been sleeping have been hiding have been setting have been watching have been searching have been looking

23、 for Write a short report about something about your friend:hobbies,new habits,family,hometown and dream etc.according to your interview.Remember to use the present perfect continuous tense.I have a friend,who is crazy about collecting snow globes.He has been collecting snow globes for seven years,a

24、nd now he has 226 of them in total,but his mom said last weekend that he would have to stop,because theyve run out of room to store them.Therefore his parents have been encouraging her to build up interests in another hobby.He has been learning the guitar since he was eight years old,when he saw a v

25、ideo of someone playing and fell in love with it.Luckily there will be a Singing Contest in our school to be held next month,so he has been practising because he is going to sing a song about my hometown with guitar accompaniment.I wish he would achieve success in the contest and realize his dream of being a singer one day.Writing