(共26张PPT)
Discover useful structures
Unit 4 Learning About Language
To learn the present perfect continuous tense;
To practice the present perfect continuous tense by completing some exercises .
Structure: have/has been doing
Now listen to an English song and try to fill in the blanks.
I __________________ with a shadow overhead
I __________________ with a cloud above my bed
I have been lonely for so long
Trapped in the past, I just can’t seem to move on
I __________________ all my hopes and dreams away
Just in case I ever need them again
I __________________ aside time to clear a little space in the corners of my mind……
have been living
have been sleeping
have been hiding
have been setting
The Present Perfect Continuous Tense
Focus on
基本用法
The Present Perfect Continuous Tense
现在完成进行时
1. 基本概念
2. 常用时间状语
3. 现在完成进行时
和现在完成时的区别
基本概念
Translate:
We have been waiting for you for half an hour.
② Chinese have been making paper for two thousand years.
我们已经等你半个钟头了。
中国有2000年的造纸历史。(make paper)
(动作刚终止,不再继续下去)
(动作还将继续下去)
现在完成进行时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。
常用时间状语
Translate:
① A private detective has been tailing (跟踪) him for several weeks.
② Craig loves outdoor activities - he has been fishing and hunting since he was a child.
一位私人侦探几个星期以来一直在跟踪他。
Craig热爱户外活动,他从小就开始钓鱼和打猎。
现在完成进行时常与表示一段时间的状语连用,例如:all the time,several times, this week, all night/morning, these few days, over/in the past five years, for…, since…, 等。
Ⅰ.实战高考。
1. [2020 天津卷]
- You are a great swimmer.
- Thanks. It's because I ___________________ (practise)a lot
these days.
2. [2019 北京卷]
A retired engineer, 76-year-old Wilson _________________ (offer)
free rides to college students for the past eight years.
3. [2018 全国卷]
Languages ____________________________ (come and go)
for thousands of years, but in recent times there has been less
coming and a lot more going.
has been offering
have been coming and going
have been practising
4. [北京卷]
---Excuse me, which movie are you waiting for
---The new Star Wars. We __________________ (wait)here for more than two hours.
5. [江苏卷]
Dashan, who ___________________ (learn)crosstalk(相声), the Chinese
comedic(喜剧的) tradition, for decades, wants to mix it up with the
Western stand-up tradition.
6. [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.
has been writing
has been learning
have been waiting
7. [江西卷]
---Tony, why are your eyes red
---I __________________ (cut) up peppers for the last five minutes.
8. [北京卷] China’s high-speed railways __________________ (grow) from 9,000 to 25,000 kilometers in the past few years.
9. [湖南卷] Since the time humankind started gardening, we _________________ (try) to make our environment more beautiful.
have been gowing
have been cutting
have been trying
现在完成进行时和现在完成时的区别
Translate:
① I've been designing solar racing cars.
② I've designed five or six different cars.
我一直在设计太阳能赛车。
我已经设计五六辆小汽车了。
1. 在不同时间状语的情况下,现在完成进行时的动作从过去发生一直持续到现在,可能刚刚终止也可能继续持续下去。
而现在完成时表示说话之前已经完成的动作,且这个动作对现在有影响。强调对现在造成的影响和结果。
即现在完成进行时强调动作的延续性,而现在完成时强调动作的结果。
Translate:
① I've been taking part in races for four years.
② How many races have you taken part in
我这四年一直在参加比赛。
你参加多少场比赛了
2. 现在完成进行时往往表示动作在重复,而现在完成时不表示动作的重复。
① Recently Mary has been doing sports regularly.
② Recently Mary has done her sports regularly.
最近玛丽一直定期做运动。(有表扬意味)
最近玛丽定期做运动。(只说明一个事实)
3. 现在完成进行时与所有进行时态一样带有感彩,可使表达显得生动,而现在完成时往往只表明一个事实、一种影响或结果,不带感彩。
某些不具延续性含义的动词,如come, go, marry, die, finish,leave等,不适用于现在完成进行时,但可用于现在完成时。
We have finished the homework.
We have been finishing the homework.
我们已经完成了家庭作业。
1.Read each situation and rewrite each sentence using the present perfect continuous tense.
P41 2
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.
The dog _______________ ____about two hours.
狗一直犬吠了大约两个小时。
Steve _____________ rugby ______ the age of eight.
史蒂夫自八岁以来一直打橄榄球。
for
has been playing
since
has been barking
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.
He looks a little tired ________ he __________________ table tennis for two hours.
他看起来有点累因为他一直打乒乓球达两个小时了。
Diane ____________________ well this week.
戴安娜这个星期一直没睡好。
I __________________ to phone you this morning.
我今天早上一直试图给你打电话。
because
has been playing
hasn’t been sleeping
have been trying
2.Complete the sentences below using the correct tenses of the verbs in brackets. Then explain your reasons to your partner.
Translate:
1. For the whole morning, the board of the directors ______________________ (discuss) the resolution to increase wages in the coming year.
一整个早上,董事会一直在讨论来年涨工资的决议。
2. Jason's only recreation is painting. He _________________ (learn) how to paint for over five years.
贾森唯一的娱乐就是画画。他一直在学如何画画达五年多时间了。
has been discussing
has been learning
3. Even though we lost the game, we should be proud of ourselves because we _______________ (try) our best and _______ (work) as a team.
尽管我们输掉了比赛,我们应该为我们自己自豪,因为我们尽了我们的最大努力和团队进行了合作。
4. He finally _________ (finish) the research paper under his tutor's guidance.
他终于在他的导师指导之下完成了研究论文。
have been trying
working
finished
5. My nephew Sam ___________________ (collect) comic books since he was five. Now he has more than two hundred of them.
我的侄子萨姆自他五岁以来一直在收集连环画。现在他有超过两百本了。
6. The company __________________________________ (launch) an advertising campaign to promote its corporate image.
这家公司正在发起/已经发起了/发起过一个广告活动来提升公司的形象。
has been collecting
is launching/has launched/ launched
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
Ⅰ.单句语法填空
1.She (recite) the words all the evening.
2.I (tell) her many times,but she still makes the same mistake.
3.He (wait) for you for a whole day.
4.She is the most beautiful girl I (see).
5.It is the first time that she (read) such an interesting book.
6.You (sit) at the computer all day. You must be tired.
7.The two friends (chat) on the Internet for three hours.
8.The manager (tell) the workers how to improve the program since 9 am.
has been reciting
have told
has been waiting
have ever seen
has read
have been sitting
have been chatting
has been telling
Ⅱ.根据汉语意思,完成下列句子,每空一词。
1. 一个星期以来,艾丽斯在公共汽车站一直遇到那个穿黑衣服的人。
Alice _____ _____ ________ the man in black at the bus stop for a week.
2. 她的组织自成立以来一直在为那些被遗弃的动物筹集资金。
Her organization _____ ______ _________ money for those abandoned animals since it was set up.
has been meeting
has been collecting
3. 我一直期待着去英国旅行,我的梦想将在下个月实现。
I _____ _____ __________ to travel to the UK, and my dream will come true next month.
4. 桑迪已经教学16年,她探索出了一些有效的教学方法。
Sandy ____ ____ _________ for sixteen years, and has explored some effective teaching methods.
5. 自六月以来,玛丽每天晚上都去上写作课,这门课将于本周结束。
Mary ____ _____ _______ to writing classes every night since June and the course will end this week.
have been expecting
has been teaching
has been going
用括号内动词的正确时态完成下面短文。
A big elephant was walking on the ground. He 1. ________________ (move) through the tall grass for two days, eating and resting. Not far from him 2. ________ (stand) a woman with a big camera in her hands. She took another photo of the elephant, still amazed at his long tusks(獠牙).
had been moving
stood
Swallowing a mouthful of grass, the elephant turned his head to see that the woman 3. __________ (take) even more photos of him. “That woman has no manners. She 4. ________________ (follow) me all day,” he thought. “She 5. ________ (take) 100 photos of me and 6. ________ (write) 42 pages of notes. But she hasn’t even given me a single peanut!”
was taking
has been following
has taken
written
各个击破
Can you understand the usages of
the present perfect continuous tense
Self-evaluation
Finish the exercises in Learning English.