1、Learning goals(目标目标):After the class,I should be able to:1)Understand the grammar and know how to use it;2)Talk abut wildlife protection by using the grammar.Lets watch a short video and answer:What happened to the animals?From the video we can see:Human beings kill wild animals.Wild animals by huma
2、n beings.At present,human race are destroying the environment.At present,the environment by human race.is being destroyedare killedTimelineFuture presentpastPast perfectPresent ContinuousPast ContinuousPresent Perfect(3)What measures are being taken to help them?(2)What is being done to help them?(1
3、)African elephants are being hunted.Underline the present continuous passive voice in the sentences and discuss its functionHunters are hunting African elephants.What are people doing to help them?What measures are people taking to help them?定义：表示“某人/事此时此刻正在被”，主语是动作的承受者,表示说话时或现阶段某个被动的动作正在进行。1.定义定义2.
4、2.结构结构 1）肯定形式：am/is/arebeing过去分词The house is being painted.2）否定形式:am/is/arenotbeing过去分词The trees are not being watered.3）疑问形式:Am/Is/Are主语being过去分词？Am I being watched over?4）特殊疑问句的形式:把特殊疑问词放在一般疑问句前面。How many bridges are being built in 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”例：They are building ni
5、ne parks.原句主语变为by短语宾语变为主语 谓语由主动变为被动“三不变”原句意思不变 原句时态不变 原句主谓宾以外成分不变Nine parks _ by them.How many parks _?are being builtare being builtBesides,human beings are cutting down trees for house building.Trees by human beings for house building.are being cut downNowadays,some factories are polluting the riv
6、er.Nowadays,the river by some factories.As a result,animals are losing their habitats.is being pollutedNow,wild animals (kill)by people,and also their fur (use)to make clothes for humans.are being killed表示现在、现阶段的词表示现在、现阶段的词/短语有：短语有：now;at present(目前目前);these days(这些天来这些天来);recently(最近最近);at this mom
7、ent(此时此刻此时此刻)is being used Group work:Make sentences by using passive voice.(8 mins)rhino horn犀牛角2341sharkplastic bottlesrubbish垃圾5air;smokeThe air is being polluted by some factories at present.Heavy smoke is being given off by the factoriesThe shark is being caught by the hunters for its fin to ma
8、ke profit.Rhinos are being killed by humans for their rhino horns.The water is being polluted by plastic rubbish.Plastic bottles are being thrown away into the river.The ocean is being polluted by a lot of rubbish that causes animal deaths.Practice(P18)1 Choose the suitable verb forms to complete th
9、e sentences.1.Im(working/being worked)at home today because my office is(painted/being painted).2.The alarming report is(written/being 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
10、 is(hunting/being hunted)the kangaroos?Where are they(hunted/being hunted)?6.It is reported that living spaces for wildife are(reduced/being reduced)due to the cutting of trees.In the wetland of my hometown,there are many different kinds of animals,including wild birds,fish,snakes,insects and so on.
11、When I was in primary school,I often went there with my friends to watch the birds and study them.That was an interesting 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
12、.And even worse,the wetland _(destroy).Some part_(cover)with new houses.You can see rubbish everywhere.The wetland _(pollute)seriously every day.I am very woried about it.What can we do?are being caughtare being soldare being killedis being destroyedis being pollutedare being covered Exercises1The s
13、uggestion _(discuss)at the meeting now.2The ancient building whose roof was badly damaged in the rainstorm _(repair)now.3The sports meeting _(hold)now in our school.4The classroom _(decorate)with balloons and flowers right now.5These birds _(preserve)well here at the present time.is being discussedis being repaired is being heldis being decoratedare being preservedGreat efforts are being made to enable human and wildlife live in harmony.When the buying stops,the killing can too.homework 完成workbook（p68-p69）using structures 部分。
