Unit 2 Wildlife Protection Discovering Useful Structures课件(共14张PPT)人教版(2019)必修第二册

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Unit 2 Wildlife Protection Discovering Useful Structures课件(共14张PPT)人教版(2019)必修第二册

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(共14张PPT)
必修二 Unit 2 Grammar
现在进行时与现在进行时的被动语态
Learning objectives
1.能理解“is/are being done”这种谓语动词的意义;
2.能运用“is/are being done”这种时态进行阅读和写作。
一、语法感知
1. African elephants are being hunted.
2.Much is being done to protect wildlife, but if we really want to save the planet, we must change our way of life.
3.What measures are being taken to help them
以上各句 中黄色部分是哪种时态形式?其构成形式是什么?
现在完成时的被动语态, be+being+过去分词
①表示说话时正在进行的被动动作,句中常用now, right now, at this moment等时间状语。
Some food_______________(eat) by the bear.
is being eaten
二、语法知识 现在进行时的被动语态用法
②表示现阶段正在进行的被动动作(说话时不一定在进行),句中常用at present, these days等时间状语。
The problem of food safety _______________(study) by scientists these days.
is being studied
Children of our neighbors ___ always ____________ (praise)
by our parents.
are being praised
③常与always, often, constantly等词一起使用表示一种习惯的被动行为,带有赞扬、羡慕、抱怨,讨厌等感彩。
三、(1) 基础练习(单句语法填空)
1. Adaptive signals can make sure that the traffic demand that is there ________________ (address).
2. Through the Summer Employment Opportunities program, students ________________ (hire) now in a variety of summer positions across the Provincial Public Service.
is being addressed
are being hired
3. My washing machine ___________ (repair) this week, so I have to wash my clothes by hand.
4. My sister ________________ (interview) at this moment.
is being repaired
is being interviewed
5. We can hear that the papers ________________ (print) these days.
are being printed
I love exploring different places and watching different people. Nowadays, visitors are being reminded (remind) to preserve the environment. In some places,however, careless visitors are always ruining the scenery. Cans, paper and plastic bags are being thrown (throw)away by many tour groups. The environment is being damaged (damage). In contrast, trees are being planted(plant), rivers are being cleaned(clean), parks are being constructed(construct) in other places. Wild animals are living in harmony with humans there.
三、(2) 语篇练习(语法填空)
四、难点突破(观察与思考)
下面的说法表是什么意思?他们能转换成现在进行时的被动语态吗?如何转换?
1.The new paintings are on display at the gallery.
The new paintings are being displayed at the gallery.
2.The problem is under discussion at the meeting now.
The problem is being discussed at the meeting now.
3.The endangered species are at risk of extinction.
The endangered species are being risked of extinction.
4.Please be quiet. The recording studio is in use.
Please be quiet. The recording studio is being used.
几种其他主要时态的被动语态
一般现在时:
一般过去时:
一般将来时:
主语+_______________ +其他
am\is\are done
主语+_______________________+其他
be going to be/will be done
含有情态动词:
主语+__________________+其他
情态动词+be done
主语+________________ +其他
was\were done
建构知识体系
现在完成时:
主语+__________________+其他
has/have been done
I live on the plains of Tibet, Xinjiang and Qinghai.We were shot (shoot) in large numbers during the 1980s and 1990s.Since then, laws have been made (make) to stop the hunting. Our population has recovered (recover) and our name was removed (remove) from the endangered species list in 2015. However, killing has not stopped. We are still being hunted (hunt) nowadays, illegally. Our lives are still being threatened (threated). We are being killed (kill) for the fur and horns.
Anyhow, measures are being taken (take) to protect us. Our habitats are being preserved (preserve). But there is still much to be done.
综合运用: A Tibentan antelope
3.What should __________(do)with such a beautiful place (2024全国甲卷)
1.“The players’ personalities ________________(reveal) during the game, and one’s weaknesses are exposed to the opponent,” she adds. (2025全国一卷)
高考真题体验
2.Two years later, a six-meter-tall pavilion, inspired (inspire)by The Peony Pavilion, _____________ (build)at the Firs Garden, just ten minutes’ walk from Shakespeare’s birthplace. (2024新课标Ⅱ卷)
are revealed
was built
be done
4.In recent years, stress_____________________(regard) as a cause of a whole range of medical problems, from high blood pressure to mental illness. (2016上海卷)
has been regarded
5.The exhibition, which _____________(hold) in the school art gallery, will last until June 30th. (2021浙江卷应用文)
is being held
Homework:
完成《同步练习册》P35-39上的练习。

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