Unit 6 Nurturing Nature Using language 课件(共25张PPT,内镶嵌2视频)-外研版(2019)选择性必修第一册

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名称 Unit 6 Nurturing Nature Using language 课件(共25张PPT,内镶嵌2视频)-外研版(2019)选择性必修第一册
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资源类型 教案
版本资源 外研版(2019)
科目 英语
更新时间 2026-01-04 13:28:26

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(共25张PPT)
Unit6 Nurturing nature
Present perfect continuous
Grammar
语法原句再现
The train has been racing along steadily since it left Xining.
All this time,the song “Sky Railway” has been playing inside my head.
Wild animals such as these Tibetan antelopes have now been using these passages for years.
The journey has been flying by,and before I know it,we have reached Tanggula Station.
The Qinghai-Tibet Plateau has been attracting people’s admiration for centuries.
Now,thanks to our efforts,passengers from all over the country have been enjoying these magical landscapes.
仔细阅读上述句子,理解其意思可以发现句中加粗部分的时态为现在完成进行时。
语法知识点拨
现在完成进行时是现在完成时态与进行时态的结合,既有现在完成时态的特点,也有进行时态的特点。具体用法如下:
一、现在完成进行时的用法
1.表示某一动作从过去开始一直持续到现在并有可能持续进行下去。常和all the time、all the day、“for+一段时间”等状语以及since引导的状语从句连用。
The scientists have been researching this new technology all the time and they are close to a breakthrough.
科学家们一直在研究这项新技术,他们快要取得突破了。
I have been learning English since I was ten years old,and now I can communicate with foreigners fluently.
我从十岁起就一直在学英语,现在我能流利地和外国人交流了。
2.表示从过去到目前为止的一段时间里一直在反复进行的动作。常与表示“最近”的副词lately、recently等连用。
Lately,I have been thinking about my future career.
最近,我一直在考虑我未来的职业。
My grandfather has been taking daily walks recently to improve his health.
我爷爷最近每天都散步,以改善他的健康状况。
3.表示某种感彩。
I have been waiting for your call for hours.
我等你的电话已经等了好几个小时了。
三、不能用现在完成进行时的情况
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:
感官:see, hear, feel, sound, seem
情感:like, love, hate, want, wish
存在:exist, stay, remain
拥有或从属:have, possess, own, consist, belong
思维:think, believe, understand, know
I have known him for years. 我认识他已经好几年了。
They have finished the work. 他们已经完成了这份工作。
[语境运用] 翻译句子
我们班的学生一直在为了考上他们的理想大学努力学习。
最近,我们的英语老师一直要求我们每天写日记。
我一直很期待下个星期我们学校组织的英语演讲竞赛。
The students in our class have been working hard for entering their ideal universities.
Recently, our English teacher has been asking us to write diaries every day.
I have been looking forward to the English speech contest organised by our school next week.
现在完成时表示动作已完成,强调动作的结果或影响;现在完成进行时表示动作在迄今为止的一段时间内持续进行并有可能继续进行下去,强调动作的持续性或带有某种感彩。
二、现在完成时和现在完成进行时的区别
I have finished reading this novel already and I’m familiar with its plot now.
我已经看完这本小说了,现在我对里面的情节很熟悉。(已经结束,强调影响和结果)
She has been working hard to improve her painting skills for years.
多年来,她一直在努力提升自己的绘画技巧。(还在进行,强调持续性)
①在现代英语特别是口语中,lie、stand、sit、stay、wait等动词常用在现在完成进行时中。
温馨提示
She has been lying in bed for a week.
她已经卧床一个星期了。
She has been sitting at her desk for hours,working on that difficult math problem.
她已经在书桌前坐了好几个小时,做那道数学难题。
②有些动词不能用于现在完成进行时,但可用于现在完成时。如表示状态的动词be、have、exist等,表示感情的动词like、love等,表示感觉的动词see、hear、know等。
温馨提示
We have been in Beijing for five years.
我们在北京已经五年了。
He has heard the good news of his winning first prize in the contest.
他已经听说了他在竞赛中获得一等奖的好消息了。
③与一段时间连用时可以用现在完成时也可以用现在完成进行时;但与次数连用时只能用现在完成时,不能用现在完成进行时。
温馨提示
She has been working on this project for two months.
她做这个项目已经有两个月了。
He has played football five times this week.
这个星期他已经踢了五次足球了。
[语境运用] 完成句子
I             (一直在准备) the final exams for the whole week,and I         (已经完成) reviewing half of the subjects.
Tom           (一直在学习) Spanish for two years,and he
      (已经通过了) the first-level language test.
have been preparing for
have finished
has been learning
has passed
真题体验
1.(2024· 浙江1月卷)Norman Stienwand,who farms in that area,
     (address) public meetings on this issue for years.
【解析】 考查现在完成进行时。由下文时间标志词for years可知,此处表示address这个动作有可能继续进行下去,应用现在完成进行时。故填has been addressing。
has been
addressing
2.(2023·新高考全国Ⅱ卷)Since June 2017...I       (help) the panda keepers at the zoo to feel more comfortable and confident speaking English.
【解析】 考查现在完成进行时。由前文时间标志词Since June 2017可知,此处表示help这个动作有可能继续进行下去,应用现在完成进行时。故填have been helping。
have been helping
3.(2023·全国甲卷)Fourth decade as a writer...Well,I guess I
(write)novels since the 1980s.
【解析】 考查现在完成进行时。根据下文时间标志词since the 1980s可知,此处表示write这个动作持续进行到现在,有可能继续进行下去,应用现在完成进行时。故填have been writing。
have been writing
语法专项训练
Ⅰ.句子语法填空
1.I      (read) this interesting book for two hours.
2.They       (wait) for the bus at the bus stop for half an hour,
which makes them start to feel anxious.
3.He       (finish) his homework and can go out to play basketball with his friends.
4.I       (see) this film before and it left a deep impression on me.
5.I       (lose) my key and now I can’t open the door.
have been reading
have been waiting
has finished
have seen
lost/have lost
6.This cleaner       (work) hard to keep the streets clean and tidy for ten years.
7.The villagers       (protect) the ancient trees around their village for generations.
8.Scientists       (explore) the mysteries of the universe with unwavering determination for decades.
9.We        (plant) some trees in our backyard and we
     (take) care of them carefully.
has been working
have been protecting
have been exploring
have planted
have been
taking
Ⅱ.语篇填空
Recently,the Students’ Union of our school 1.
(organise) various activities. The students in the art club 2.
(paint) a huge watercolour painting on the school wall. They 3.
     (work) on it for several days,and now it starts to take shape,
demonstrating a vivid scene. The basketball team 4.
(practise) hard for a week and their skills 5.     (improve) significantly. Meanwhile,the volunteers 6.     (help) in the school library. They’ve been sorting books and cleaning shelves,making the library more organised. All these activities 7.     (make) our school lives more colourful.
has been organised
have been painting
have been
working
has been practising
have improved
have been helping
have made
Thanks!