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1、2019新人教高中英语选择性必修三Unit4 Adversity and CourageDiscover Useful Structures公开课教案Teaching aims：1.Enable students to master the usage of the present perfect continuous tense.2.Guide students to distinguish the present perfect continuous tense from the present perfect tense.3.Help students to use the presen
2、t perfect continuous tense to express your own ideas in the real situations.Teaching key points:1. Help students identify the usage of the present perfect continuous tense.2. Instruct students to tell the present perfect continuous tense from the present perfect tense.3. Lead students to use the pre
3、sent perfect continuous tense in the context.Teaching difficult points:1. How to use the present perfect continuous tense in the real situations.2. Distinguish the present perfect continuous tense from the present perfect tense.Teaching procedures:Step Lead-inLook at the sentence in the present perf
4、ect continuous tense.Find more examples from the text and pay attention to the predicate verbs.Example:This is the adventure that I have been dreaming of.Suggested answers:1.We have been managing to survive.2.We have been struggling for days.Step Observe and analyseActivity 1Observe and summarise th
5、e function of the present perfect continuous tense.1.We have been waiting for you for half an hour.我们等了你半个小时。2.I have been learning English since three years ago.自从三年前以来我一直在学英语。3.I have been visiting some cities of China this month.这个月我一直在参观中国的一些城市。4.Her eyes are red.Its obvious that she has been cr
6、ying for a long time.她的眼睛红红的,显然哭了很长时间。5.She has always been working hard.她工作一直很努力。6.Too much has been happening today.今天真是多事的一天啊。Activity 2Observe and identify the differences between the present perfect continuous tense and the present perfect tense.1.He has been writing a novel,which will be finis
7、hed next month.2.He has written a novel,which is being prepared to come out now.3.I have been visiting my hometown recently,and it impresses me differently each time.4.I have visited my hometown recently,whose changes have left a deep impression on me.5.Recently she has always been helping me.6.Rece
8、ntly she has helped me a lot.Activity 3Observe and pay special attention to some verbs.1.I have known him for years.我已经认识他好几年了。2.They have finished the work.他们已经完成了这份工作。3.There has existed an old temple since the Ming Dynasty.从明朝以来这里就有一座古庙。Step Practices and promotionsActivity 1Read each situation a
9、nd rewrite each sentence using the present perfect continuous tense.1.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
10、 with sweat.He looks a little tired after playing table tennis 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.Suggested answers:1.The dog has been barking for about two hours.I
11、 really hope it will stop soon.2.Steve has been playing rugby since 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 because he has been playing table tennis for two hours.4.Diane hasnt been s
12、leeping well this week.She looks terrible today.5.I have been trying to phone you this morning.I must have tried a dozen times before I caught you here.Activity 2Complete the sentences below using the correct tenses of the verbs in bracket.Then explain your reasons to your partner.1.For the whole mo
13、rning,the board of directors (discuss) the resolution to increase wages in the coming year.2.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 (fini
14、sh) 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.She is tired.She (type) letters all the afternoon.7.He (write) a letter this morning and sent it to his friend.Suggested answers:1.has been discussing2.
15、has been learning3.tried;worked4.finished5.has been collecting6.has been typing7.wroteStep Language Use and ShareWork in pairs.Interview your partner about the things that he/she has been doing.The following questions might help.1.Do you have any hobbies or interests?2.How long have you been learnin
16、g/playing.?3.What have you been doing recently?Suggested answers:A:Do you have any hobbies?B:Sure.I have several hobbies such as playing table tennis,photograph and 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
17、 since I was eight years old.I saw a video of someone playing and I fell in love with it.A:Thats great. StepConsolidation.Fill in the blanks with the proper words1.For the past two years,Gordons students (study) ways to kill bacteria in zero gravity,and they think theyre close to a solution(解决方案).2.
18、Its hard to tell exactly how many people agree with him,but research indicates that the numbers (rise) for some time.3.For weeks,I (think) of bigger,deeper questions:How do we make it a habit for them?And how do we train ourselves to help them live with,need,and use less?4.Companies (test) their veh
19、icles in cities across the country.5.People (sit) there and standing there and taking pictures of each other.6.I (farm) sheep on a hillside for 54 years.I use a small tractor to get about.7.A retired engineer,76-year-old Wilson (offer) free rides to college students for the past eight years.Grammar
20、clozeMy wish is 1.(go) to a key university.I 2.(study) for many years.But I am poor 3. English since I went to junior school.My English teacher told me to insist 4. listening and writing.I 5.(learn) English every morning to improve it.Because I 6.(waste) a lot of time,it was hard to catch up with ot
21、her students.After 7.(go) to high school,I 8.(stay) up late into the night and 9.(get) up early in the morning.I 10.(write) two compositions every day.I think I should spare no effort to improve my English and achieve my dream.Suggested answers:.1.have been studying2.have been rising3.have been thinking4.have been testing5.have been sitting6.have been farming7.has been offering.1.to go2.have been studying3.in4.on5.have been learning6.have wasted7.going8.have been staying9.(have been) getting10.have been writing学科网（北京）股份有限公司