高中英语必修二 Wildlife protection unit Period 3 Discovering useful structures课件

1、 Period 3 Discovering Useful StructuresWildlife Protection UnitReport an ongoing event人教版（2019）高英必修二ReviewSimple（一般）Continuous（进行）Present（现在）do/doesTenseis/am/are doingPerfect（完成）Perfect continuous（完成）Past（过去）Future（过去）The past future（过去将来）have/has donehave/has been doingdidwas/were doinghad doneHad

2、 been doingwill/shall dowill/shall be doingwill/shall have donewill/shall have been doingshould/would doshould/would be doingshould/would have doneshould/would have been doingReviewChange the sentences into the passive form.Active voice(主动语态)Passive form(被动语态)(1) I take a book.(1) The book is taken

3、by me.(2) He waters the flowers every day.(2) The flowers are watered by him every day.(3) The famers dont grow apples on the farm.(3) Apples are not grown by the farmers on the farm.(4) Can we put our bikes here?(4) Can our bike be put here?(3) What measures are being taken to help them?(2) What is

4、 being done to help them?(1) African elephants are being hunted.Underline the present continuous passive voice in the sentences and discuss its functionLead-inHunters are hunting African elephants.What are people doing to help them?What measures are people taking to help them?Find more sentences wit

5、h the same verb form in this unit.(16 Paragraph 2)They are being hunted, illegally, for their valuable fur. (16 Paragraph 7)Much is being done to protect wildlife.Lead-inBooksare beingreadby students.Lead-ine.g. African elephants are being hunted.Objectam/is/are beingpast participle(by +Subject)+Mak

6、e sentencesChoose the suitable verb form.Im (working/being worked) at home today because my office is (painted/being painted).The alarming report is (written/being written). It will be finished soon.What part of the city is (attacked/being attacked) now?Right now the deer are (watched/being watcher)

7、 over by many volunteers.Who is (hunting/being hunted) the kangaroos? Where are they (hunted/being hunted)?It is reported that living spaces for wildlife are (reduced/being reduced) due to the cutting of trees.Activ. 1Activ. 1am/is/are being doneam/is/are doingam/is/are done现在进行时的被动语态现在进行时的主动语态一般现在时

8、的被动语态Comprehension checkChange the sentence into the passive form.Present continuous tense(现在进行时)Present continuous passive tense(现在进行时被动语态)(1) I am reading a book.(1) The book is being read by me.(2) They are hunting a dear.(2) The dear is being hunt by them.(3) Tom is playing the guitar.(3) The gu

9、itar is being played by Tom.Activ. 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

10、 watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years. Activ. 2Activ. 2What is happening to the small birds in the wetland?What is happening to the wild ducks?What is happening to the fish and snakes?Question & AnswerLiu Taos co

11、ncern about wetlands in his hometown.Small birds _ (catch) with nets.are being caughtWild ducks _ (sell) at food markets. are being soldFish and snakes _ (kill) for food in restaurants. are being killedActiv. 2What is happening to the wetland?What do you think should be done to protect the wetland?T

12、he wetland _ (destroy). Some parts _ (cover) with new house. You can see rubbish everywhere. The wetland _ (pollute) seriously every day.are being destroyedare being coveredis being pollutedQuestion & AnswerDiscuss in groups and prepare to give a presentation of your ideas to the class.A: What do yo

13、u know is being done in your neighbourhood to protect animals and plants?B: Well, the old trees in the park are being protected.A: Oh yes. They are being protected not only because they are the natural habitat for songbirds.C: Thats right. Perhaps they could help protect the birds by making the road

14、s around the park free from cars.D: Yes, that would certainly help make the air cleaner for them PresentationFor example:What suggestions do you have?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

15、are hunted, many deer will be hurt each day.Huntsmen chased the deer 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 t

16、he front of its body.Example sentences：Kids love stuff like exploring 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

17、 do.New wordsreduce waste 减少浪费, 减少废弃物reduce expenditure 减少开支due adj. 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 wordsbecause ofas a result ofSynonym:insect n. 昆虫 ( pl. -s)Any small creature with six legs an

18、d a body divided into three parts. Insects usually also have wings. 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 that 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