人教版(2019)选择性必修第三册Unit4 Adversity and Courage Discover useful structures 课件(共26张PPT)

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名称 人教版(2019)选择性必修第三册Unit4 Adversity and Courage Discover useful structures 课件(共26张PPT)
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版本资源 人教版(2019)
科目 英语
更新时间 2024-03-25 19:20:24

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(共26张PPT)
Adversity and Courage
Unit 4 
Discover useful structure
Grammar—The Present Perfect Continuous Tense
To learn the present perfect continuous tense
To practice the present perfect continuous tense by completing some exercises
01
Lead-in
1.现在完成进行时构成:“have/has + been + doing” 否定: have/has + not + been + doing
用现在完成进行时填空
1. I (work) all morning.
2. She (wait) there for hours.
3. It (rain).
现在完成进行时
have been working
has been waiting
has been raining
1.现在完成进行时构成:“have/has + been + doing” 否定: have/has + not + been + doing
用现在完成进行时的否定形式填空
1. I (work) all morning.
2. She (wait) there for hours.
3. It (rain).
现在完成进行时
have not been working
has not been waiting
has not been raining
02
Usage of Present Perfect continuous Tense
1. We have been waiting for you for half an hour.
2. We have been working for hours.
The usage of the tense (1)
Present
Past
Future
①现在完成进行时态表示过去发生的动作一直持续到现在,这个动作可能仍在继续进行或刚刚结束。这个时态多用于延续性动词,如live, learn, lie, stay, sit, wait, stand, rest, study等,并常和all the time, this week/month, all night/morning, recently, these few days, in the past + 时间, several times等时间状语以及 连用(与since和for连用时,动作常会继续下去)。
since + 时间点
for + 时间段
I have been teaching for over ten years now .
我已经教书超过十年了
2)表重复:表示到目前为止的一段时间内重复进行的活动
注意:
现在完成进行时表示的动作不是在一直不停地进行,而是从过去持续到现在断断续续重复进行的动作。
1. Tom has always been working hard.
2. You have been coughing a lot lately!
3. What have you been doing to my dictionary
③带有 ,使语言表达更加生动。
赞许
关切
不满
The usage of the tense (3)
感彩
【学以致用1】 补全句子
①Inventors ___________________ (一直在试图)to make flying cars since the 1930s.
②Tom _______________________(一直在努力学习) since the new term began.
③I ___________________________(一直在踢足球) all the morning, so I'm sweating heavily.
have been trying
has been working hard
have been playing football
[巧学活用1]——单句语法填空
①I______________ (teach) English for almost twenty years. I will teach until retirement.
②In order to find the missing child, villagers ____________ (do) all they can over the past five hours.
③In 1996, I moved to Canada with my husband and I ____________ (live) there since then.
④Jim _____________ (phone) his grandparents every night for the past week.
have been teaching
have been doing
have been living
has been phoning
03
Comparison Between the Present Perfect Continuous Tense & the Present Perfect Tense
三、现在完成进行时与现在完成时的区别?
1.现在完成进行时可以表示动作的重复, 而现在完成时一般不表示重复性。
①Have you been meeting him recently
你最近常和他见面吗?
②Have you met him recently
你最近见过他吗?
2.现在完成进行时有时含有感彩, 而现在完成时一般是平铺直叙。
①I have been waiting for you for two hours.
我一直等了你两个小时。(可能表示不满)
②I have waited for you for two hours.
我等了你两个小时。(说明一个事实)
3.现在完成进行时强调动作, 而现在完成时强调结果。
①Who has been eating the oranges
谁一直在吃这些橙子呀? (还剩余一些)
②Who has eaten the oranges
谁把橙子吃光了? (强调吃得一个不剩)
[巧学活用2]——单句语法填空
①The number of medical schools reached 18 in the early 1990s and __________ (remain) around that level since.
②He ______________ (listen) to English programs since he came to the US, so he ________ (make) great progress.
③The little boy is dirty from head to foot because he ______________ (play) in the mud all morning.
④[2021·全国乙卷]People ______________ (pour) into stadiums since the days of ancient Greece.
has remained
has been listening
has made
has been playing
have been pouring
【学以致用2】
根据汉语提示,在下列句子中填入正确的时态
①自从上午9点经理就一直在告诉工人们如何改善这一方案。
The manager ____________________ the workers how to improve the program since 9 am.
②据报道工程已被完成。
It is reported that the project __________________________ .
has been telling
has been completed
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;
感官动词:see,hear,know,feel,sound;
短暂性动词:finish,marry,get up,come,go 等。
I have known him for years.
They have finished the work.
【学以致用3】 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.
③He ___________ (not feel) himself since yesterday.
has existed
have been teaching
hasn't felt
[北京卷]
---Excuse me, which movie are you waiting for
---The new Star Wars. We _____ here for more than two hours.
A. waited B. wait
C. would be waiting D. have been waiting
D
2. [江苏卷] Dashan, who ____ crosstalk(相声), the Chinese comedic(喜剧的) tradition, for decades, wants to mix it up with the Western stand-up tradition.
A. will be learning
B. is learning
C. had been learning
D. has been learning
D
大山已经学了几十年相声,他想把它和西方传统的单口喜剧结合起来。
3. [福建卷]
---Where is Peter I can’t find him anywhere.
---He went to the library after breakfast and ______________ (write) his essay(论文) there ever since.
4. [江西卷]
---Tony, why are your eyes red
---I ________________ (cut) up peppers for the last five minutes.
has been writing
have been cutting
5. [北京卷] China’s high-speed railways ___________ (grow) from 9,000 to 25,000 kilometers in the past few years.
6. [湖南卷] Since the time humankind started gardening, we ______________ (try) to make our environment more beautiful.
have grown
have been trying
真题演练
1. People ________________ (pour) into stadiums since the days of ancient Greece. (2021 全国乙卷)
2. For the biggest stadiums in the world, we _________(use) data supplied by the World Atlas list so far, which ______ (rank) them by their stated permanent capacity, as well as updated information from official stadium websites. (2021 全国乙卷)
3. You know, I _________________ (look) for a job for three months, and this is my first formal interview.
have been pouring
have used
ranks
have been looking
单句语法填空
(1)My eyes ache. I       (stay) in front of the computer all the afternoon.
(2)He       (do) this in order to repay the boy’s kindness.
(3)I       (learn) English since three years ago.
(4)You know,I       (look) for a job for three months,and this is my first formal interview.
have been staying
has been doing
have been learning
have been looking
(5)So far this year we        (see) a fall in house prices by between 5 and 10 percent.
(6)Now that she is out of work,Lucy       ______   (think) about going back to school,but she hasn’t decided yet.
(7)He is the most creative man that I         (meet).
(8)All these years we        (try) to get in touch with him.
(9)We           ________ .(已经打扫了房屋)
(10)Since that unfortunate accident last week, I _______________________________(一直睡得不好).
have seen
has been thinking  
have met
have been trying
have cleaned the house
haven’t been sleeping well
7. Even though we lost the game, we should be proud of
ourselves because we _________ (try) our best and ________
(work) as a team.
8. He finally ________ (finish) the research paper under his tutor’s guidance.
9. My nephew Sam _________________ (collect) comic books since he was five. Now he has more than two hundred of them.
had tried
finished
worked
has been collecting