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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 pr
2、esent 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
3、 present 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团 Lead-inLook at the sentence in the present
4、 perfect 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 团 Observe and analyseActivity 1 Observe and su
5、mmarise the function of the present perfect continuous tense.l.We have been waiting for you for half an hour.我们等了你半个小时。2.1 have been learning English since three years ago.自从三年前以来我一直在学英语。3.1 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 h
6、as been crying 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.T00 much has been happening today.今天真是多事的一天啊。Activity 2 Observe and identify the differences between the present perfect continuous tense and the present perfect tense.1 .He has been writing a novel,which w
7、ill be finished next month.2 .He has written a novel,which is being prepared to come out now.1.1 have been visiting my hometown recently,and it impresses me differently each time.1.2 have visited my hometown recently,whose changes have left a deep impression on me.5 .Recently she has always been hel
8、ping me.6 .Recently she has helped me a lot.Activity 3 Observe and pay special attention to some verbs.1.1 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团 Practices and promotionsActivity 1 R
9、ead each situation and 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
10、 his short hair is damp 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.5.1 tried to phone you this morning.I must have tried a dozen times before I caught you here.Suggested answers:l.The dog has been barki
11、ng for about two hours.I 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 ho
12、urs.4.Diane hasn/t been sleeping well this week.She looks terrible today.5.1 have been trying to phone you this morning.I must have tried a dozen times before I caught you here.Activity 2 Complete the sentences below using the correct tenses of the verbs in bracket.Then explain your reasons to your
13、partner.1 .For the whole morning,the board of directors (discuss) the resolution to increase wages in the coming year.2Jason,s 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) a
14、s a team.4 .He finally (finish) the research paper under his tutor/s 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
15、 answers:1 .has been discussing 2.has been learning3 .tried;worked 4.finished 5.has been collecting6 .has been typing 7.wroteStep 团 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
16、interests?2 .How long have you been learning/playing.?3 .What have you been doing recently?Suggested answers:A:Do you have any hobbies?B:Sure.l 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
17、the guitar?B:l 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.Step 团 ConsolidationEI.Fill in the blanks with the proper wordsl.For the past two years,Gordons students (study) ways to kill bacteria in zero gravity,an
18、d they think theyre close to a solution(解决方案).1 .It/s hard to tell exactly how many people agree with him,but research indicates that the numbers (rise) for some time.3 .For weeks,l (think) of bigger,deeper questions:How do we make it a habit for them?And how do we train ourselves to help them live
19、with,need,and use less?4 .Companies (test) their vehicles in cities across the country.5 .People (sit) there and standing there and taking pictures of each other.6 .1 (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 ride
20、s to college students for the past eight years.固Grammar clozeMy wish is 1.(go) to a key university.l 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.! 5.(learn) English every morning to improve it.Because I
21、 6.(waste) a lot of time,it was hard to catch up with other students.After 7.(go) to high school,! 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:0.1.have been studying 2.have been rising8 .have been thinking 4.have been testing9 .have been sitting 6.have been farming10 has been offering回.lto go 2.have been studying 3.in 4,on11 have been learning 6.have wasted 7.going12 have been staying 9.(have been) getting13 .have been writing