Unit 2 语法Grammarppt课件-（2019）新人教版高中英语必修第二册.pptx

1、 Period 3 Discovering Useful StructuresUnit 2 Wildlife Protection Report an ongoing eventExplore the rulesCarrots are being eaten by the rabbit.A book is being read by the girl.Our fur is being used to make sweaters.Present Progressive Passive Voice现在进行时的被动语态现在进行时的被动语态1.1.定义定义：_ _1.1.定义定义：_ _表示“某人或某

2、事此时此刻正在被做正在被做”，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被动的动作正在进行。A basketball is being played by Mike.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: 特殊疑问词+ 一般疑问句What is

3、being discussed at the meeting now?1. The plan _ this month. (carry out 执行) 计划本月正在执行。2. Your computer _ now. 现在没人修理你的电脑。3. _ these fields _ this week？ 这周有人在给这些地浇水吗？4. Where _ you _ now？ 现在你们在哪里接受面试？is being carried outis not being repairedArebeing wateredarebeing interviewed例：1. Mary _ (interview) n

4、ow.2. Look! The baby _ (take care of) by her aunt.3. The disease _ (study) at present by scientist.is being taken care ofis being studiedis being interviewed01表示说话时正在进行的表示说话时正在进行的或现阶段正在进行的或现阶段正在进行的被动动作。被动动作。 现在进行时的被动语态，是属于现在进行时，有着现在进行时所有的语法功能。3. 功能例：1.今晚将要举办一场晚会。 An party _ (hold) tonight.2.下面将唱一首民歌

5、。 A folk song _ (sing) next. 3.据说下周日早上八点他将开飞机去。 It is said that a plane_(fly) by him to America at eight next Sunday morning. is being heldis being sungis being flownhold- held-heldsing- sang-sungfly- flew-flown 02少数及物动词的进行时表示按计划、安排将要将要承受某个动作【练习】判断正误。 小王, 过来,有你的电话。Xiao Wang, come here. You arebeingw

6、antedon the phone. Xiao Wang, come here. You arewanted on the phone. 一些表示状态、心理活动、拥有、存在等的动词，如have、want、need、love等，一般不用进行时被动语态不用进行时被动语态, 常用一般现在一般现在时被动语态时被动语态表示此时此刻或目前主语承受谓语动词的动作。 03没有进行时的被动语态没有进行时的被动语态 is being attacked例：1. 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。The bridge is u

7、nder construction. is being constructed04be +under/in等介词加名词结构可替换进行时被动语态等介词加名词结构可替换进行时被动语态Choose the suitable verb form.1Im (working/being worked) at home today because my office is (painted/being painted).2The alarming report is (written/being written). It will be finished soon.3What part of the cit

8、y is (attacked/being attacked) now?4Right now the deer are (watched/being watcher) over by many volunteers.5Who is (hunting/being hunted) the kangaroos? Where are they (hunted/being hunted)?6It is reported that living spaces for wildlife are (reduced/being reduced) due to the cutting of trees.Activ.

9、 1The passage is about Liu Taos concern of the wetland in his hometownIn 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. T

10、hat was an interesting place for all of us. But things have begun to change in recent years. Activ. 2Activ. 2Small birds _ (catch) with nets.are being caughtWild ducks _ (sell) at food markets. are being soldFish and snakes _ (kill) for food in restaurants. are being killedThe wetland _ (destroy). S

11、ome parts _ (cover) with new house. You can see rubbish everywhere. The wetland _ (pollute) seriously every day.are being destroyedare being coveredis being pollutedProductionIn groups, discuss the questions below. Prepare to give a presentation of your ideas to the class.1. What do you know is bein

12、g done in your neighbourhood to protect animals and plants?2. What suggestions do you have?u Useful Expressions: .is (are) being protected. It is good for. Its a wonderful habitat for. It makes our environment more .Sample ConversationA: What is being done in our neighbourhood to protect animals and

13、 plants?B: Well, the old trees in the park are being protected.A: Oh yes. They are being protected not only because they are very old but also because they are the natural habitat for songbirds.D: Yes, that would certainly help make the air cleaner for them.C: Thats right. Perhaps they could help pr

14、otect the birds by making the roads around the park free from cars. 1.1.现在进行时的被动语态的基本结构现在进行时的被动语态的基本结构肯定结构be(am/is/are)being done否定结构be(am/is/are)+not+being done一般疑问结构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 doneSummary（1）表示现在正在进行的被动动作。（2）少数及物动词的进行时表示按计划、安排将要承受某个动作。 (3)没有进行时的被动语

15、态 (4)表示被动结构“be +under/ in等介词+名词”结构可替换进行时被动语态。2.2.现在进行时的被动语态的基本用法现在进行时的被动语态的基本用法deer n. 鹿 ( pl. deer )An animal with long legs, that eats grass, leaves, etc. and can run fast. There are many types of deer. Example sentences： If we are hunted, many deer will be hurt each day. Huntsmen chased the deer

16、silently.New wordsa deer park 鹿苑a herd of deer 一群鹿kangaroo n. 袋鼠 ( pl. -oos )A large Australian animal with a strong tail and back legs, that moves by jumping. The female carries its young in a pocket of skin (called a pouch ) on the front of its body.Example sentences： Kids love stuff like explorin

17、g caves or kangaroo parks. Kangaroo attacks are relatively rare.New wordsreduce vt. 减少To make sth less or smaller in size, quantity, price, etc.Example sentences： Oil is put in machinery to reduce the friction. Reduce what you need to do.New wordsreduce waste 减少浪费, 减少废弃物reduce expenditure 减少开支due ad

18、j. due to adv. 由于；因为Example sentences： We dig a hole, which is not easy, due to roots. That was made into an office due to its small size.New words because of as a result ofSynonym:insect n. 昆虫 ( pl. -s)Any small creature with six legs and a body divided into three parts. Insects usually also have w

19、ings. Ants , bees and flies are all insects.Example sentences： The travellers face was covered with insect bites. He instanced the fly as dirty insect.New wordsinsect pest 害虫insect bite 昆虫咬伤；蚊虫叮咬neighbourhood n. 临近的地方；街区( pl. -s)A district or an area of a town; the people who live there. The area th

20、at you are in or the area near a particular place.Example sentences： The fire alarmed the whole neighbourhood. My neighbourhood has really been built up.New wordsin the neighbourhood of 大约；在.附近HomeworkPrepare to give a presentation of your ideas next class. What do you know is being done in your neighbourhood to protect animals and plants? What suggestions do you have?