人教版(2019)选修 第三册Unit 4 Adversity and Courage Discovering useful structures 课件(共24张PPT)

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人教版(2019)选修 第三册Unit 4 Adversity and Courage Discovering useful structures 课件(共24张PPT)

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(共24张PPT)
人教版选择性必修三Unit4 Adversity and Courage
The Present Perfect Continuous Tense
Discover useful structures
to recognise and master
to distinguish
to
apply
the form, use and function of the present perfect continuous tense.
the difference between the present perfect tense and the present perfect continuous tense.
the structure learned in the real situations.
Learning Objectives
Leading-in
Watch the video and pay attention to the lyrics.
I've been running through the jungle
I've been running with the wolves
To get to you to get to you
I've been down the darkest alleys
Saw the dark side of the moon
To get to you to get to you
I've looked for love in every stranger
I've been running through the jungle
I've been crying with the wolves
To get to you to get to you
Warming-up
I've been running through the jungle
I've been running with the wolves
The Present Perfect Continuous Tense
现在完成进行时
Observe and discover
What is the tense of the sentence below
This is the adventure that I have been dreaming of.
We have been struggling for days, but things on Elephant Island are going from bad to worse.
Can you find more examples
We are now camped on the ice and we have been managing to survive, but spring is coming, and the ice will soon begin to melt.
Form of the tense
1.This is the adventure that I have been dreaming of.
2.We have been struggling for days, but things on Elephant Island are going from bad to worse.
3.We are now camped on the ice and we have been managing to survive, but spring is coming, and the ice will soon begin to melt.
have/has
been
doing
+
+
现在完成
进行
现在完成进行时
肯定句:
否定句:
一般疑问句:
特殊疑问句:
主语 + have/has + been + 现在分词...
主语 + have/has + not + been + 现在分词...
Have/Has + 主语 + been + 现在分词...
疑问代词/ 疑问副词 + have/has +(主语 +)been + 现在分词...
Meaning of the tense
This is the adventure that I have been dreaming of.
MEN WANTED
for a dangerous journey: small wages, bitter cold, long months of complete darkness, constant danger, and safe return uncertain. Honour and reward will follow if it is successful.
Ernest Shackleton
这是我一直以来渴望的冒险。
现在完成进行时表示动作开始于过去,并        到现在,动作
可能        ,也可能      。
一直持续
仍在进行
刚结束
① I have been reading Hemingway’s Farewell to Arms recently.
② She has been reciting the words all the morning,now I can dictate them.
③ This is what I have been expecting since my childhood.
1.表示动作从过去某时开始,一直延续到现在,强调动作从一开始后的不间断。
现在完成进行时常和all this time,this week,this month,all night,
all the morning,recently 等状语以及since和for引导的状语连用。
Use of the tense
① I have been telling you not to make trouble. 我一直劝你不要找麻烦。
②The old man has been repairing cars for thirty years. 这个老人修汽车修了三十年了。
③Jack has been practising Tai Chi for more than a year. 杰克练太极一年多了。
2.表示到目前为止的一段时间内重复进行的活动
通常还表示一种感彩(关切、惊异、愤怒、赞许等)
① His eyes are red. He has been working too hard recently. 他的眼睛红了,准是他最近工作太辛苦了。
②—I have got a headache. 我头痛。
— No wonder. You have been working in front of that computer too long. 不足为奇。你在那台电脑前工作太久了。
③—I’m sure Andrew will win first prize in the final. 我相信安德鲁在决赛中会得第一名。
—I think so. He has been preparing for it for months. 我也是这样认为的。他为此准备好几个月了。
3.表示根据直接或间接的证据而得出结论
① We’ve been looking forward to our summer vacation. 我们一直盼望着暑假。
②Too much has been happening today. 今天真是一个多事的日子。③Why have you been doing like this I’ve been telling you so many times.你为什么一直这样做?我已经告诉你好多次了!
4.表达某种感彩:现在完成进行时有时带有强烈的表扬或厌恶等感彩。
学法点拨
以下几类动词不能用于现在完成进行时:
① 表示感官、感觉:see,hear,smell 等;
② 表示爱憎:love,prefer,mind 等;
③ 表示希望、意愿:wish,want,desire 等;
④ 表示相信、猜想:believe,think,suppose 等;
⑤ 非延续性动词。
Discover: 现在完成进行时与现在完成时的区别
I’ve been doing my homework. 我一直在做家庭作业。(还在做)
I’ve finished my homework. 我已做完家庭作业了。(已完成)
现在完成时强调完成和影响,现在完成进行时强调未完成和 动作
Julia has gone to the library. 朱莉娅去图书馆了。(单个事件)
Julia has been going to the library for a year. 朱莉娅在一年间经常去图书馆。(重复事件)
现在完成时经常表单个事件,现在完成进行时可表重复事件
What have you done 你做什么了?(仅是问问)
Where have you been I have been waiting for you in the rain for two hours.
你去哪里了?我在雨中等了你两个小时。(表示不满)
现在完成时通常只陈述事实,而现在完成进行时含感彩。
I have sent thirty e-mails this morning.
我今天上午发了三十封电子邮件。
I have been sending e-mails this morning.
我今天上午一直在发电子邮件
表重复时,现在完成时强调成果,讲次数;现在完成进行时强调持续,不讲次数
The war has lasted for a long time.
这场战争持续了很长时间。
不用于进行时态的动词通常也不用于现在完成进行时,但它们可以用于现在完成时
The house has been painted for a month.
房子已经粉刷了一个月了。
现在完成进行时不用于被动语态。若要用,可用现在完成时的被动语态代替
现在完成进行时 现在完成时
强调过去的动作对现在的影响或产生的结果
强调动作的延续性
强调动作重复
表达生动,含有感彩
说明一个事实、一种影响或结果





Summarise:
1.The dog started to bark about two hours ago. I really hope it will stop soon.
The dog has been barking for about two hours. 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.
Steve has been playing rugby since eight years old. Now he has become a professional player.
Read each situation and rewrite each sentence using the present perfect
continuous tense.(课文P41Ex2)
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 hours.
4. Diane hasn’t 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.
Timmy is holding a table tennis bat and his short hair is damp with sweat. He has been playing tennis for two hours and looks a little tired.
Diane hasn’t been sleeping well this week. She looks terrible today.
I have been trying to phone you this morning. I must have tried a dozen times before I caught you here. .
1.For the whole morning, the board of directors ______________________
(discuss) the resolution to increase wages in the coming year.
2.Jason’s only recreation is painting. He ___________________(learn) how to paint for over five years.
3.Even though we lost the games, 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 tutor’s guidance.
5.My nephew Sam ____________________(collect)comic 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/have been discussing
has learnt
have tried
worked
finished
has been collecting
has launched/is launching/will launch
Complete the sentences below using the correct tenses of the verbs in brackets.
Then explain your reasons to your partner.
Thanks for listening!

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