人教版高一上册英语课件《Wild life protection》.ppt

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1、Wild life protection1Unit 4Section Learning about Language Unit 4课堂要点探究课堂要点探究2课后强化作业课后强化作业3课前新知预习课前新知预习1课前新知预习课前新知预习根据句意，用所给词的适当形式完成句子。We _ for the wool beneath our stomachs.(kill)为了取得我们肚皮底下的羊毛，我们正在被屠杀。Our fur _ to make sweaters for people like you.(use)我们的毛正被用来为像你一样的人们制作毛衣。I wonder what _ to help y

2、ou.(do)我不知道为了帮助你们正在采取什么措施。So good things _ here to save local wildlife.(do)因此，为了拯救当地的野生动植物，一些好事正在被做。答案：are being killedis being usedis being doneare being done课堂要点探究课堂要点探究一、基础点拨现在进行时的被动语态表示主语是谓语动词所表示动作的承受者，且强调此动作正在被进行。1现在进行时的被动语态的几种结构：A dinner is being prepared now.(肯定句)正在准备晚饭。Even though your appli

3、cation is not being checked now,the manager will take it into consideration soon.(否定句)即使你的申请现在不被审查，但是经理会很快考虑它的。Is this film being put on in the cinema this week？(一般疑问句)本周这部电影在这家电影院上映吗？Where is the activity being held now？(特殊疑问句)现在这项活动在哪里被举行？肯定结构be(am/is/are)being done否定结构be(am/is/are)notbeing done一般

4、疑问结构be(am/is/are)主语being done特殊疑问结构特殊疑问词be(am/is/are)主语being done2.现在进行时的被动语态的用法(1)表示说话时刻正在进行的被动性动作：现在进行时的被动语态常用来表示说话时正在进行的被动性动作。I have a feeling that we are being followed.我有种感觉我们正被人跟踪。The new building is being built now;I cant stand its noise.新的大楼现在正在被建造，我受不了它的噪音。(2)表示现阶段正在进行的被动性动作：现在进行时的被动语态还可表示目

5、前这段时间正在进行，但此时此刻不一定在进行的被动性动作。A modern school is being built in my hometown.我的家乡正在建一座现代化学校。The environment in that country is being polluted so badly that all the people cant stand it.那个国家的环境正被如此严重地污染着以至于所有的人都感到难以忍受。(3)表示反复进行的被动性动作：always和现在进行时的被动语态连用可表反复进行的被动性动作，这种动词形式常用来表示赞扬或厌恶的感情色彩。What surprises m

6、e most is that that book is always being read by him.最令我感到惊讶的是他老是在读那本书。I feel very puzzled that the goods in our shop are always being stolen.我感到很迷惑我们商店的商品老是被偷。2像take care of，look after，talk about，think of等动词与介词构成的短语用于现在进行时的被动语态时，其中的介词不可省略。Something is being talked about among those people.在那些人中正谈论着

7、某件事情。3某些表示“状态、心理活动、存在”等的动词，如have,want,need,love，一般不用现在进行时的被动语态，而常用一般现在时的被动语态。Mr Li,you are wanted on the phone.李先生，有你的电话。Computer games are loved by more and more young people.计算机游戏被越来越多的年轻人喜爱。4“beunder/in.n.”可表示现在进行时的被动意义。The problem is under discussion at the meeting.The problem is being discussed

8、 at the meeting.这个问题正在会议上讨论。My computer is under repair.My computer is being repaired.我的电脑正在维修中。课堂达标验收课堂达标验收语法单句填空1Why dont we choose that road to save time?The bridge to it_(repair).答案：is being repaired/is under repair考查时态。句意：你为什么不选择那条路以节省时间呢？通向那条路的桥正在被修。现在进行时的被动语态符合题目的语境，它的构成是“am/is/arebeing done”

9、，相当于be undern.。2Would you please keep silent?The weather report _(broadcast)and I want to listen.答案：is being broadcast本题考查现在进行时的用法。句意：能否请你保持安静？现在正播放天气预报这正是我要听的节目。3Hi,Terry,can I use your computer for a while this afternoon?Sorry.It_(repair).答案：is being repaired/is under repair考查时态和语态。由上下句可知“电脑应正在被维修

10、”，故应用现在进行时的被动语态，相当于be undern.。4Whats that noise?Oh,I forgot to tell you.The new machine_(test).答案：is being tested考查时态。现在进行时表示正在发生的动作或存在的状态。根据所提供的情景Whats that noise可判断出新机器正在被检测，所以要用现在进行时的被动语态。5Have you handed in your schoolwork yet?Yes,I have.I guess it_(grade)now.答案：is being graded句意：你的作业已经交了吗？是的，我已

11、经交了。我猜老师正在评定我的作业等级。表示说话时刻发生的一个被动动作，采用现在进行时的被动语态。6A new cinema will be built in the city.But the exact location is _(discuss).答案：under discussion/being discussedis under discussion相当于is being discussed。7I dont suppose the police know who did it.Well,surprisingly they do.A man has been arrested and _(

12、question)now.答案：is being questioned句意：我认为警察不知道谁做了这件事。噢，令人惊奇的是，他们知道了。一位男子已被逮捕，正在接受警方的讯问。根据时间状语now可知本题采用现在进行时；此外，名词a man与动作question之间存在逻辑上的动宾关系，故应采用现在进行时的被动语态。8Rainforests_(cut)and burned at such a speed that they will disappear from the earth in the near future.答案：are being cut句意：人类砍伐和焚烧雨林的速度如此之快以至于不

13、久的将来它们就会从地球上消失。本题考查现在进行时的被动语态。名词rainforests与动作cut和burn之间存在逻辑上的动宾关系，采用被动语态。9(2012四川改编)They are living with their parents for the moment because their own house _(rebuild).答案：is being rebuilt本题考查动词的时态和语态。句意：他们目前和父母住在一起，因为他们自己的房子正在被重建。10(2010天津改编)Traditional folk arts of Tianjin like paper cutting _(ex

14、hibit)at the culture show of the 2010 Shanghai World Expo.答案：are being exhibited考查了现在进行时的被动语态。句意：像剪纸这样的天津传统民间艺术在2010年上海世博会的文化展上展出。艺术品是被展出，且主语为复数arts，故用are。.把下列句子改成被动语态1The government is making great efforts to improve the living conditions of the people._2The nurses are taking good care of the old._

15、3People are hunting too many animals these years in some places._4The teacher is correcting the papers in her office._5Our headmaster is preparing a speech now._答案：1Great efforts are being made to improve the living conditions of the people.2The old are being taken good care of by the nurses.3Too many animals are being hunted by people these years in some places.4The papers are being corrected by the teacher in her office.5A speech is being prepared by our headmaster now.