资源简介

(共40张PPT)
Adversity and Courage
Discover Useful structures
The present perfect continuous tense
选择性必修三 Unit 4
.
To learn the present perfect continuous tense
To practice the present perfect continuous tense by completing some exercises
Objecties
Lead-in
Enjoy a song and fill in the blanks.
I have been living with a shadow overhead.
I __________________ with 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 don’t see the signs.
have been sleeping
have been hiding
have been setting
have been watching
The present perfect continuous tense
现在完成进行时
have been searching
I have been living with a shadow overhead.
Have/has done
Be doing
Present perfect tense
现在完成时
Continuous tense
进行时
The present perfect continuous tense
现在完成进行时
Form: have/has + been + doing
现在完成进行时的形式:
肯定句：主语 + have/has + been + 现在分词...
否定句：主语 + have/has + not + been + 现在分词...
疑问句：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...
past
one hour ago
now
waiting
arrives
future
has been waiting for an hour
Amy
Lily
Presentation
Observe and conclude.
The Present Perfect Continuous Tense
基本结构：“have / has been + 现在分词”
基本含义：表示动作从过去某一时间开始一直持续到现在，可能刚刚停止，也可能仍在继续。
Present
Past
Future
Summary
用法
learn
8 years ago
future
now
learn
learn
I have been learning English since I was 8 years old and I still love it.
表示动作从过去某时开始一直延续到现在，或可能还要继续下去。
用法1
用法1
时间状语
It began to rain this morning.
It is 6 pm now and it is still raining.
It__________________ all day. .
has been raining
→
He began to learn Chinese since December.
He is still learning Chinese now.
He_________________________ since December.
has been learning Chinese
→
用法1
时间状语
用法1
时间状语
Mike________________________ for six months.
has been looking for a job
Mike began looking for a job six months ago.
He is still looking now.
→
用法1
时间状语
She _________________ (study) in the library every night over the last three months.
has been studying
用法1
时间状语
I (sit) here enjoying the music all the morning.
have been sitting
for+时间段 /since+时间点
so far/up to now/till now(到目前为止）
in/during/over the past (last) few days
recently，lately(近来），already
all day /all the morning /all the time
Summarize common time adverbial
Summary 1
用法2
(2)表示造成现在状态或结果的原因。
My clothes are all wet. I’ve been working in the rain.
我的衣服全湿了。我刚才一直在雨中干活。
Her eyes are red. Has she been crying
她的眼睛红了。她哭过吗？
用法3
1. All these days he has been writing articles to our magazine.
2. He has been promising to help you. Hasn’t he done it
3. I _______________ (take) part in races for about four years.
4. Jack _______________ (phone) Jane every night for the last week.
表示动作并不是一直不停地进行，而是在断断续续地重复。
have been taking
has been phoning
用法4
(4)表达较重的感彩。
What have you been doing to my dictionary
你把我的字典弄成什么样子了？
Time has been flying so quickly!
时间过得可真快啊！
Too much has been happening today.
今天可真是个多事的日子。
表达不满
感叹时间之快
表达抱怨
现在完成时
过去进行时
现在完成进行时
比较1
Li Jia __________ (read) a book about psychology. (She finished reading the book.)
Li Jia ______________ (read) a book about psychology. (She is still reading the book.)
has read
has been reading
past
future
now
read
do
have read
past
future
now
read
do
have been reading
do
现在完成时
现在完成进行时
动作刚结束；
强调影响或结果
动作还在延续；
强调动作的延续性
比较1
比较2
现在完成时可以表示动作的反复性；
现在完成时一般不表示动作的反复
Have you been meeting him recently
你最近经常见到他吗？（反复性）
Have you met him recently
你最近见过他吗？
The teacher has been telling us to be careful all the term.
整个学期，老师一直在告诉我们要细心。（反复性）
The teacher has told us to be careful all the term.
老师告诉我们整个学期都要细心。
A. — _____________ have you visited Egypt this month
— I have visited Egypt twice this month.
(过去往返埃及和居住地, 但现在已回来)
B. — __________ have you been touring Egypt
— I have been touring Egypt for two month.
(过去一段时间一直待在埃及, 没有离开过)
How many times
How long
Tip 2:现在完成时表示反复发生的动作，提问时用how many times。而现在完成进行时，表示持续的、不间断的动作，提问时用how long。
比较2
比较3
Tip 3:现在完成进行时比较生动，有时含有明显的感彩(喜悦、愤怒、不满、厌恶等。)，而现在完成时往往只说明一个事实，一种影响或结果。
I have waited for you for two hours.
I have been waiting for you for two hours.
说一个事实；平铺直叙
强调动作的持续性或不满意
比较3
下列句型中常用现在完成时
This (that/ It ) is the first (second…) time that + 完成时
This (That/ It) is the best/ finest / most interesting….+that+完成时
It’s the first time that I have been to the Great Wall.
This is the most interesting film that I have seen.
Summary1
现在完成时和现在完成进行时的比较
1．现在完成时和现在完成进行时的区别：
用法 时态
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 √
They have been widening the road.
他们在加宽马路。(尚未完成)
They have widened the road.
他们加宽了马路。(已经完成)
Have you been meeting him recently
你最近一直遇见他吗？ (强调动作重复)
Have you met him recently
你最近遇见过他吗？(表示结果)
Where have you been？We have been looking for you everywhere.
你到哪里去了？我们到处在找你。(表示不满)
We have looked for him，but haven’t found him.
我们找过他，但没有找到他。(无感彩)
比较4
有些动词不能用于现在完成进行时，但可用于现在完成时，这些动词为：
状态动词：be，have，exist；
情感动词：like，love，hate；
感观动词：see，hear，know，feel，sound；
希望、意愿：wish, want, desire 等；
相信、猜想：believe, think, suppose 等；
短暂性动词：finish，marry，get up，come，go 等。
I have known him for years. 认识
They have finished the work. 完成
1. 现在完成进行时的构成: have/has + been + doing
2. 现在完成进行时的基本概念：表示动作从过去某一
时间开始一直持续到现在，这个动作可能刚终止，
也可能还在进行。
3. 现在完成进行时的常用时间状语: all the time, this
week, all night, these few days, for…, since…等。
4. 现在完成时和现在完成进行时的区别：
① 动作是否有延续性
② 是否表示动作重复性
③ 是否有感彩
课本 P41
Read each situation and write a sentence that best describes it.
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.
v. 吠叫
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. 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 after playing table tennis for two hours.
____________________________________________________________________________________________________________________________________________________________
Timmy is holding a table tennis bat and his short hair is damp with sweat. He has been playing table tennis for two hours, so he looks a little tired.
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. _____________________________________________________________________________________________________________________
Diane hasn’t been sleeping enough this week. She looks terrible today.
I have been trying to phone you all this morning. I must have tried a dozen times before I caught you here.
Complete the sentences below using the correct tenses of the verbs in brackets. Then explain your reasons to your partner.
课本 P41
1. For the whole morning, the board of the 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.
has been discussing
n. 娱乐；消遣
has been learning
n. 侄子；外甥
3. Even though we lost the game, we should be proud of ourselves because we _________ (try) our best and ________ (work) as a team.
He finally ________ (finish) the research paper under his tutor’s guidance.
My nephew Sam _________________ (collect) comic books since he was five. Now he has more than two hundred of them.
have tried
(has)finished
(have)worked
has been collecting
n. 指导
n. 广告活动
The company ___________________________________
_____________ (launch) an advertising campaign to promote its corporate image.
adj. 公司的
has launched
单句改错
1. She had been reading all morning; she ought to have a rest. __________
2. It is the third time that you visited our school. __________
3. I have been looked for my lost book for three days, but I still haven’t found it. __________
4. Tom worked in the company for ten years and he doesn’t have the intention to leave. _________
had改成 has
visited前加 have
looked改成 looking
Worked改成 has been working
consolidation
【内化·用】 (1)翻译句子。
①我一直等了你两个小时。
____________________________________
②我等你两个小时了。
_______________________________
(2)用所给词的适当形式填空。
①There __________(exist) an old temple since the Ming Dynasty.
②I _________________(teach) English for almost twenty years, and I will step in another new teaching year.
I have been waiting for you for two hours.
I have waited for you for two hours.
has existed
have been teaching
真题演练
1. People ________________ (pour) into stadiums since the days of ancient Greece. (2021 全国乙卷)
2. A retired engineer, 76-year-old Wilson _______________ (offer) free rides to college students for the past eight years.
(2019 北京卷)
3. You know, I _________________ (look) for a job for three months, and this is my first formal interview.
have been pouring
have been offering
have been looking
真题演练
4. Marty ________________(work) hard on his book this week and thinks he ________________ (finish) it by Friday.
5. — Hi, Tom, you look tired.
— I am tired. I ________________ (paint) the living room all day.
6. I asked where they ______________ (stay) all those days.
has been working
will have finished
have been painting
had been staying

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