高中英語必修二 (學(xué)案)Unit 2 Wildlife protection-Discovering Useful Structure

1、 7/7Unit 2 Wildlife ProtectionDiscovering Useful Structure【學(xué)習(xí)目標(biāo)】1. To review the basic usages of the Present Continuous Passive Voice.2. To learn to use the Present Continuous Passive Voice to make sentences and talk about the relevant topics flexibly.【學(xué)習(xí)重難點】1. To appreciate the function of usages o

2、f the Present Continuous Passive Voice in a sentence.2. To write essays using the proper usages of the Present Continuous Passive Voice.【課前診斷】Look at the picture. What are workers doing? What is the house being done?The workers are building a house.A house _ by the workers.Were _ for the wool beneat

3、h our stomachs. And our fur is _ to make sweaters for people like you.We are _ for our ivories.【學(xué)習(xí)過程】Step I: Read the sentences and sum up the meanings of the Present Continuous Passive Voice.1. Do you know any other endangered wildlife in China that is not being protected?2. Were being killed for t

4、he wool beneath our stomachs.3. Is their fur being used to make sweaters for people like you?4. What good things are being done here to save local wildlife?肯定式：_1. She is being treated in China now.否定式：_2. My computer is being repaired now.我的電腦正在修理中。一般疑問式：_e.g.: Are these books being sent to Beijing

5、?Is the wall being painted?特殊疑問式：_Step II: When do we use the Present Progressive Passive Voice?1.表示說話時正在進(jìn)行的被動動作。(now, at the moment)Actions are_ (take) to realize Chinese dream.2.表示現(xiàn)階段正在進(jìn)行的被動動作。 (說話時不一定在進(jìn)行)The problem of food safety is _ (study) by scientists at present.3.表示一種習(xí)慣的被動行為(always, consta

6、ntly ),帶有贊揚、羨慕、討厭等感情色彩。Children of our neighbors are always _ (praise) by our parents.4.與某些情態(tài)動詞連用表示對正在發(fā)生的動作進(jìn)行推測。As a result of staying up late talking last night, Jimmy may be_ (scold) by his head teacher.Step III. 難點1.像take care of, look after, talk about, think of等動詞與介詞構(gòu)成的短語用于現(xiàn)在進(jìn)行時的被動語態(tài)時，其中的介詞不可省略

7、。The ways to stop illegally hunting are being talked about. 阻止非法捕獵的方法正在研討中。2. “be (am/is/are)+under/in+ n. ”有時可相當(dāng)于現(xiàn)在進(jìn)行時的被動語態(tài)。Many questions are under discussion. =Many questions are being discussed. 許多問題正在被討論。3.有時表“狀態(tài)，心理活動,情感”等的動詞，常用在一般現(xiàn)在時的被動語態(tài)表示“正在進(jìn)行”。The runaway of the traffic accident is wanted b

8、y the police. 警方正在通緝交通事故的逃逸者。The plan is being discussed at the meeting now. 現(xiàn)在這個計劃正在討論過程中。A new law is being made to prevent endangered animals from extinction. 為了阻止瀕危動物的滅絕新的法律正在制定中。Workers are cutting down some trees in the park. Some trees are being cut down by workers in the park. (被動語態(tài))Where ar

9、e some trees being cut down by workers? (特殊疑問句)總結(jié)：現(xiàn)在進(jìn)行時的被動語態(tài)的基本結(jié)構(gòu)肯定結(jié)構(gòu)be(am/is/are)being done否定結(jié)構(gòu)be(am/is/are)+not+being done一般疑問結(jié)構(gòu)be(am/is/are)+主語+being done特殊疑問結(jié)構(gòu)特殊疑問詞+be(am/is/are)+主語+being done【課后鞏固】I.將下面的句子變成被動語態(tài)。1. He is opening a bottle.A bottle _.2. He is drinking Coca cola.Coca cola_by him.3

10、. She is cutting an orange.An orange _ by her.4. She is eating an orange.An orange_ by her.II.語法填空。1. They _ (hunt), illegally, for their valuable fur.2. Much _ (do) to protect wildlife, but if we really want to save the planet, we must change our way of life.3. These large animals _ (kill) illegall

11、y for their body parts that are considered valuable.4. Billions of trees _ (cut) down every year to make paper for humans.5. In this way a lot of animal homes _ (destroy)!【學(xué)習(xí)過程】Step 1: Read the sentences and sum up the meanings of the Present Continuous Passive Voice.1. Do you know any other endange

12、red wildlife in China that is not being protected?2. Were being killed for the wool beneath our stomachs.3. Is their fur being used to make sweaters for people like you?4. What good things are being done here to save local wildlife?肯定式: be being doneShe is being treated in China now.否定式:be not being

13、 doneMy computer is being repaired now.我的電腦正在修理中。一般疑問式:Am/Is /Are+主語+ being + donee.g.: Are these books being sent to Beijing?Is the wall being painted?特殊疑問式：When How Where Why What （Am/Is /Are+主語+ being + done）表示說話時正在進(jìn)行的被動動作。(now, at the moment)Actions are_ (take) to realize Chinese dream.示現(xiàn)階段正在進(jìn)行的

14、被動動作。 (說話時不一定在進(jìn)行)The problem of food safety is _ (study ) by scientists at present.表示一種習(xí)慣的被動行為(always, constantly )，帶有贊揚、羨慕、討厭等感情色彩。Children of our neighbors are always _ (praise ) by our parents.與某些情態(tài)動詞連用表示對正在發(fā)生的動作進(jìn)行推測。As a result of staying up late talking last night, Jimmy may be_ (scold) by his

15、head teacher.Step III. 難點.1.像take care of, look after, talk about, think of等動詞與介詞構(gòu)成的短語用于現(xiàn)在進(jìn)行時的被動語態(tài)時，其中的介詞不可省略。The ways to stop illegally hunting are being talked about. 阻止非法捕獵的方法正在研討中。2. “be(am/is/are)+under/in+n. ”有時可相當(dāng)于現(xiàn)在進(jìn)行時的被動語態(tài)。Many questions are under discussion. =Many questions are being discu

16、ssed. 許多問題正在被討論.3. 有時表“狀態(tài)，心理活動，情感”等的動詞，常用在一般現(xiàn)在時的被動語態(tài)表示“正在進(jìn)行”。The runaway of the traffic accident is wanted by the police. 警方正在通緝交通事故的逃逸者。The plan is being discussed at the meeting now. 現(xiàn)在這個計劃正在討論過程中。A new law is being made to prevent endangered animals from extinction. 為了阻止瀕危動物的滅絕新的法律正在制定中。Workers a

17、re cutting down some trees in the park. Some trees are being cut down by workers in the park. (被動語態(tài))Where are some trees being cut down by workers? (特殊疑問句)用現(xiàn)在進(jìn)行時態(tài)的被動語態(tài)改動句子。現(xiàn)在進(jìn)行時的被動語態(tài)的基本結(jié)構(gòu)?？隙ńY(jié)構(gòu)be(am/is/are)being done否定結(jié)構(gòu)be(am/is/are)+not+ being done一般疑問結(jié)構(gòu)be(am/is/are)+主語+being done特殊疑問結(jié)構(gòu)特殊疑問詞+be(am/i

18、s/are)+主語+being done【課后鞏固】I.將下面的句子變成被動語態(tài)。1. He is opening a bottle.A bottle _.2. He is drinking Coca cola.Coca cola_by him.3. She is cutting an orange.An orange _ by her.4. She is eating an orange.An orange_ by her.II.語法填空.1. They _ (hunt), illegally, for their valuable fur.2. Much _ (do) to protect wildlife, but if we really want to save the planet, we must change our way of life.3. These large animals _ (kill) illegally for their body parts that are considered valuable.4. Billions of trees _ (cut) down every year to make paper for humans.5. In this way a lot of animal homes _ (destroy)!