Bài giảng Tiếng Anh 11 - Unit 06: Global warming - Lesson 2: Language

I. PRONUNCIATIONIntonation on yes-no questions and echo questionsDo you agree with me?Can you talk about the effects of global warming?Do you think that we can reduce our carbon footprint?Is it true that global warming is getting worse?Are most of the environmental problems caused by humans?Listen and repeat these questions, paying attention to their raising intonation.Listen and repeat.1. A: Most of the environmental problems are man-made. B: Man-made?2.	A: Scientists are concerned about the effects of global warming. B: Scientists are concerned about what?3. A: I cycle to work every day. B: You do?4. A: By 2050, rising temperatures could lead to the extinction of a million species. B: The extinction of a million species?5.	A: In order to save our environment, we should reduce our use of paper products. B: We should do what?The structure having+ past participle -In the past , a lot of industries denied having contributed to global warming.-Having treated the environment irresponsibly, humans now have to suffer the effects of global warming.-Having planned the content, we’re now looking for supporting information.II. GRAMMARExercise 2 (P9)Match the two parts to make complete sentences1. e After we identified the causes of global warming, we worked out some solutions to reduce its effects.2.c Since they have used up the fossil fuel resources in their country, they have to find some types of alternative energy.3.a Because local people have cut down the forests to make way for farming, now local people have to suffer severe floods.4.b After we read the report on how the burning of petrol in cars contributes to climate change, we decided to sell our car and get a bicycle instead.5.g Because farmers had been informed about the bad effects of chemical fertilizers, the farmers started using them sparingly on their farms.Rewrite the sentences, using perfect participles.1. Having identified the causes of global warming, we worked out some solutions to reduce its effects.2. Having used up the fossil fuel resources in their country, they have to find some types of alternative energy.3. Having cut down the forests to make way for farming, now local people have to suffer severe floods.4. Having read the report on how the burning of petrol in cars contributes to climate change, we decided to sell our car and get a bicycle instead.5. Having been informed about the bad effects of chemical fertilizers, the farmers started using them sparingly on their farms.II. GRAMMARExample: Someone had started a fire in the forest. Tom admitted that he had done it.=> Tom admitted (to) having started a fire in the forest.In the Tree Planting Competition, the students in Group 11G planted the most trees in the schoolyard. They were praised for that.Someone had cut down the oldest tree in the park. The police suspected Mike of doing it.He had dumped lots of rubbish onto the beach. He denied it.You had saved the lives of hundreds of wild animals. Thank you for that.They had hunted and killed many wild animals. Later they regretted what they had done.The factory had dumped tons of toxic waste into the river. It was heavily fined for that.Denis had taken an active part in the Green Summer activities. He was rewarded for that.Combine the sentences, using perfect gerunds.1.The students in Group 11G were praised for having planted the most trees in the schoolyard in the Tree Planting Competition.2.The police suspected Mike of having cut down the oldest tree in the park.3. He denied having dumped lots of rubbish onto the beach.4.Thank you for having saved the lives of hundreds of wild animals.5.They regretted having hunted and killed many wild animals.6.The factory was heavily fined for having dumped tons of toxic waste into the river.7.Denis was rewarded for having taken an active part in the Green Summer activities.FURTHER PRACTICE Rewrite OR combine the sentences, using perfect participles.1. After I watched the documentary about wildlife, I made a donation to an environmental society.2. After I ate my evening meal, I decided to go for a walk.3. He risked his own life to rescue the little boy. He was really admired for that.4. She raised $20,000 for wildlife protection. She was praised for that.Having watched the documentary about wildlife, I made a donation to an environmental society.Having eaten my evening meal, I decided to go for a walk.He was really admired for having risked his own life to rescue the little boy.She was praised for having raised $20,000 for wildlife protection.5. Because I had spent the whole day cleaning up my room, I needed to take a shower and have a rest.6. Since the authorities had managed water resources irresponsibly, they had to deal with water shortages in the region.7. I have advised you on how to cut down your energy use. I remember that.Having spent the whole day cleaning up my room, I needed to take a shower and have a rest.Having managed water resources irresponsibly, the authorities had to deal with water shortages in the region.I remember having advised you on how to cut down your energy use.8. Some scientists have not reported the effects of climate change. They are accused of that. 9. After we had read the stories about people who reduced their carbon footprint, we started to change oi daily consumption habits.10. Because the farmers had been told about the dangers of chemical fertilisers, they turned to bio-fertilisers.Some scientists are accused of not having reported the effects of climate change.Having read the stories about people who reduced their carbon footprint, we started to change our daily consumption habits.Having been told about the dangers of chemical fertilisers, the farmers turned to bio-fertilisers.11. After I finished all my homework, I watched my favourite film on TV.12. They have acted irresponsibly towards the environment. They were criticised for that.13. The factory has dumped a huge amount of rubbish into the river. It was fined for that.14. He didn't keep his promise. He apologised for that.Having finished all my homework, I watched my favourite film on TV. They were criticised for having acted irresponsibly towards the environment.The factory was fined for having dumped a huge amount of rubbish into the river.He apologised for not having kept his promise.- Prepare for the next lesson: Unit 6: Reading