Unit 2 Wildlife Protection Discovering useful structures （ppt课件） (4)-2023新人教版（2019）《高中英语》必修第二册.pptx

1、Discovering Useful Structures P18 新新人教必修人教必修Book 2 Unit 2 Wildlife ProtectionLearning objectivesIn this class,you willuidentify the present continuous passive voice;usummarise the form and function of the present continuous passive voice;upractice using the present continuous passive voice in senten

2、ces and passages;ugive a presentation applying the present continuous passive voice to share ideas about protecting animals and plants in your neighbourhood.现在进行时的被动语态现在进行时的被动语态Present Continuous Passive Voice1.1.定义定义 表示表示“某人某人/事此时此刻正在被事此时此刻正在被”，主主语是动作的承受者语是动作的承受者,表示说话时或现阶表示说话时或现阶段某个被动的动作正在进行。段某个被动的

3、动作正在进行。Summary2.2.句型句型 1）肯定形式：肯定形式：am/is/arebeing过去分词过去分词The house is being painted.2）否定形式否定形式:am/is/arenotbeing过去分词过去分词The trees are not being watered.3）疑问形式疑问形式:Am/Is/Are主语主语being过去分过去分 词？词？Am I being watched over?4）特殊疑问句的形式特殊疑问句的形式:把特殊疑问词放在一般疑把特殊疑问词放在一般疑问句前面问句前面How many bridges are being built in

4、 the village?3.3.主动语态变被动语态的原则主动语态变被动语态的原则“三变三变”例：例：They are building nine parks.原句主语变为原句主语变为by短语短语 宾语变为主语宾语变为主语 谓语由主动变为被动谓语由主动变为被动“三不变三不变”原句意思不变原句意思不变 原句时态不变原句时态不变 原句主谓宾以外成分不变原句主谓宾以外成分不变Nine parks _ by them.How many parks _?are being builtare being built4.4.现在进行时的被动语态基本用法现在进行时的被动语态基本用法例：例：1).Mary is

5、 _(interview)now.2).Look!The baby _(take care of)by her aunt.3）This film _(show)in the theater.（1 1）表示现在正在进行的被动动作）表示现在正在进行的被动动作。(now,at the moment等等)being interviewedis being taken care ofis being shown1.The disease _(study)by scientist.2.Every possible means _(use)to prevent the air pollution.3.Ano

6、ther new project _(set up)to discover the best way of sorting the rubbish.（2 2）表示现阶段正被进行的动作。）表示现阶段正被进行的动作。(说话时说话时不一定在进行不一定在进行)is being studied is being usedis being set up3.表示表示一种一种习惯性、经常性的习惯性、经常性的被动被动行为行为(always,constantly，frequently),带有带有赞扬、羡慕、讨厌等赞扬、羡慕、讨厌等感情色彩。感情色彩。1.Children of our neighbors are

7、always being praised by our parents.2.I feel puzzled that the goods in our shop are always being stolen.(4).(4).少数少数及物动词的进行时表示按计划、安及物动词的进行时表示按计划、安 排将要承受某个动作。排将要承受某个动作。例：例：1).今晚将要举办一场晚会。今晚将要举办一场晚会。An party _(held)tonight.2).下面将唱一首民歌。下面将唱一首民歌。A folk song _(sing)next.3).据说下周日早上八点他将开飞机去据说下周日早上八点他将开飞机去。I

8、t is said that a plane_(fly)by him to America at eight next Sunday morning.is being heldis being sungis being flown5.与某些与某些情态动词情态动词连用表示对正在发生的动作进行连用表示对正在发生的动作进行推推测测1)He may be _(scold)by his father at the very moment.2)Jim may be _(interview)by the reporters at the very moment.being scoldedbeing inte

9、rviewed蓝本 P48is always being praisedis being mademay be being beatenis being discussedis being designed注意点1.不可遗漏介词不可遗漏介词Take care of,look after,talk about,think of 等动词短语用于现在进行时的被动语态时,其中的介词不可省略。1）The ways to study English well are being talked about.2）The children are being taken care of by their aun

10、t.2.2.没有进行时的被动语态没有进行时的被动语态一些表示一些表示状态、心理活动、拥有、存在状态、心理活动、拥有、存在等的动词等的动词(和主动语态一样和主动语态一样)一般不用进行时被动语态一般不用进行时被动语态,常常用用一般现在时被动语态一般现在时被动语态表示此时此刻或目前主语表示此时此刻或目前主语承受谓语动词的动作。承受谓语动词的动作。【练习】判断正误。【练习】判断正误。小王小王,过来过来,有你的电话。有你的电话。Xiao Wang,come here.You arebeingwantedon the phone.Xiao Wang,come here.You arewanted on t

11、he phone.3.3.“be+under/in+n.”有时可相当于现在进行有时可相当于现在进行时的被动语态。时的被动语态。is being attacked例：例：1.目前这个城市正受到进攻。目前这个城市正受到进攻。The city is under attack at the moment.2.桥梁正在建筑中。桥梁正在建筑中。The bridge is under construction.is being constructed蓝本 P50are being doneis being examinedare being madeare being harvestedis being d

12、evelopedare being uncoveredis being doneis being discussedis being builtis also being constructedare being designedare being plantedIs the city being plannedare being shown around1.Im(working/being worked)at home today because my office is(painted/being painted).2.The alarming report is(written/bein

13、g written).It will be finished soon.3.What part of the city is(attacked/being attacked)now?4.Right now,the deer are(watched/being watched)over by many volunteers.5.Who is(hunting/being hunted)the kangaroos?Where are they(hunted/being hunted)?6.It is reported that living spaces for wildife are (reduc

14、ed/being reduced)due to the cutting of trees.Practice Textbook P18In the wetland of my hometown,there are many different kinds of animals,including wild birds,fish,snakes,insects and so on.When I was in primary school,I often went there with my friends to watch the birds and study them.That was an i

15、nteresting place for all of us.But things have begun to change in recent years.Small birds _(catch)with nets.Wild ducks _(sell)at food markets.Fish and snakes _(kill)for food in restaurants.And even worse,the wetland _(destroy).Some parts _ _(cover)with new houses.You can see rubbish everywhere.The wetland _(pollute)seriously every day.I am very worried about it.What can we do?are being caughtare being soldare being killedis being destroyedis being polluted are being covered