高中Unit 6 Earth first教学设计
展开新外研社(19)高中英语必修二
Unit 6 Earth first-Using Language教案
Teaching objectives:
1. Enable students to understand the structure, functional meanings of -ing and -ed as complement and the passage related to grammar.
2. Lead students to talk about environmental problems using grammar properly and think of and use the useful expressions about dealing with global warming.
3. Guide students to finish the listening activities and further understand the topic related to the environmental problems.
4. Help students to raise their awareness of protecting the environment.
Evaluation objectives:
1. Ask students to find out the sentences related to -ing and -ed as complement and translate them to find out whether they can understand their meanings.
2. Ask students to do exercises in the textbook to check whether they can know the usage of -ing and-ed as complement and finish the exercises on learning plan papers to check whether they have mastered the usage of -ing and -ed as complement.
3. Ask students to discuss what they can do to help deal with global warming to check whether they can use the words properly.
4. Ask students to finish the listening activities to find out whether they can understand listening materials-smog, and whether they know how to make a polite interruption.
Teaching key points:
1. Understand the use -ing and -ed as complement.
2. Learn about the words related to dealing with global warming.
3. Identify and master the language to discuss the environmental issues and their solutions.
4. Understand the environmental problem——smog by listening.
Teaching difficult points:
1. Use -ing and -ed as complement properly.
2. Express ideas about the environmental issues and their solutions in a right way.
Teaching methods:
Cooperative Teaching Method, Task-based Approach, Communicative Approach, Listening-speaking Approach
Teaching procedures:
Step1:Lead-in
T:Hello! Boys and girls. Today we’ll learn something about -ing and -ed as complement. I think you have got to know something about -ing and -ed as complement in your learning. Now let’s check how you are getting along with this grammar.First, please find out all the sentences with -ing or -ed(not serve as predicate) in the passage Sharks:Dangerous or Endangered and analyze the functions of -ing or -ed as complement.
Suggested answers:
1.We see a woman swimming at night in a dark sea.
2.This is the opening scene from the 1975 film Jaws,showing a shark attack.
3.Jaws was a great success, attracting huge audiences and winning many awards.
4.It made people frightened of sharks,especially of the great white shark.
5.Some people stopped swimming in the sea,afraid of the horrible creature from the film.
6.Other people started fishing for sharks,killing as many as they could.
7.People just wanted them killed.
8.This was not only due to fear of sharks,but also finning.
9.Finning would have an unexpected effect upon Peter Benchley.
10.Benchley saw sharks being killed and this caused a deep change in him.
11.Fortunately,not everyone who watched the film Jaws became afraid of sharks—some became interested in understanding them.
12.People have always been scared of sharks,but Jaws made things worse.
T:Now you have find out all the sentences with -ing or -ed(not serve as predicate).Next, please analyze the sentence constituents of -ing or -ed.
Suggested answers:
1.宾补 2.定语;状语 3.状语;状语 4.宾补 5.宾语 6.宾语;状语 7.宾补 8.宾语 9.定语 10.宾补 11.表语;宾语 12.表语
Step 2:Comparison and analysis
T:Now, look at the two sentences and analyze what complement?
Please read the sentences in Activity 1 and answer the questions.Pay attention to the sentences in bold and discuss in groups and summarise the expressive functions of -ing and -ed as complement.
A.We see a woman swimming at night in a dark sea.
B.It made people frightened of sharks,...
Questions:
1.In sentence (a),who is swimming at night?
2.In sentence(b),who is frightened of sharks?
3.Why does the author choose to use different forms of verbs in the two sentences?
Suggested answers:
1.A woman
2.People
3.In sentence (a),a woman is swimming.In other words,the woman is doing the action of swimming.So the author uses -ing.But in sentence(b),people are frightened.As a result,passive voice is used.So the author uses -ed.
通过观察例句,我们可以得知:在英语中有些及物动词,除有一个直接宾语以外还要有某个词或词组来补充说明宾语的意义或状态,才能使句子的意义完整,这个词或者词组称为宾语补足语。
*总结归纳:
1.宾语补足语一般放在宾语 (前/后),对宾语起 的作用。
2.现在分词的逻辑主语是 ,和宾语为 。
3.过去分词的逻辑主语是 ,和宾语为 。
Suggested answers:
1.后;补充说明 2.宾语;主动关系/主动进行 3.宾语;被动/完成关系
Step 3:Relevant knowledge
练习+观察判断+总结
1.我看见他正沿着街跑。
________________________________________________________
2.我感到一只蚂蚁正在我的腿上爬。
________________________________________________________
3.我刚才看到一位老人被车撞倒了。
________________________________________________________
归纳总结:see,watch,notice,observe,hear,feel等感官动词后若接现在分词作宾语补足语,表示该动作与宾语之间是 ;若其后接过去分词作宾语补足语,表示该动作与宾语之间是 。
一、感官动词后非谓语做宾语补足语补充说明及归纳:
see,watch,observe,lookat,notice,hear,listento,feel+sb./sth.+do主动
+doing主动
+done被动 完成
正在进行
完成或没有一
定的时间性
用sing的适当形式填空
(1)I heard her an English song just now.
= She was heard an English song just now.
(2)I heard her an English song when I passed by her room.
(3)To learn English well,we should find opportunities to hear English as much as possible.
练习+观察判断+总结
What made them so (frighten)?
I have had my car (clean).
He got his TV set (mend).
归纳总结:have,let,make,get等使役动词后若接现在分词作宾语补足语,表示“使处于某种状态”;若其后接过去分词作宾语补足语,表示动作由他人完成。
二、使役动词后非谓语动词作宾语补足语补充说明及归纳:
1.have/get sth.done 让某事被……
I’ll have/get my computer repaired.
2.have/make/let/get sb.do 让某人做某事
She made me cry.
3.have sb./sth.doing sth.让……持续地做……
4.get sb./sth.doing 使……开始做……
5.make oneself done使某人自己被
三、动词leave,find,keep,catch后接非谓语动词作宾语补足语归纳总结:
1.leave sth./sb.doing 让……一直做某事
leave sth./sb. undone (unfinished,unsettled,等)留下某事未做
2.find/keep/catch sb./sth.doing 发现/使/撞到……
find/keep/catch sb./sth.done 发现/使/撞到……被……
(1)It’s wrong of you to leave the machine (run) all the time.
(2)He found his house (break) into when he came back.
(3)The salesman caught the little boy (steal).
Suggested answers:
1.I saw him running down the street.2.I felt an ant climbing over my leg.3.I saw an old man knocked down by a car just now.
归纳总结:主动关系或者该动作正在进行;被动关系或者该动作已经完成
一、感官动词后非谓语做宾语补足语补充说明及归纳:
(1)sing;to sing (2)singing (3)spoken
练习+观察判断+总结
frightened;cleaned;mended
三、动词leave,find,keep,catch后接非谓语动词作宾语补足语归纳总结:
(1)running;(2)broken;(3)stealing
Step 4:Global warming
T:Hello!Everyone. As we all know, the earth is becoming warmer and warmer. In fact, more and more people are raising their awareness of slowing global warming, which is everyone’s duty.How can we do to deal with it?Look at the pictures and expressions. Maybe you can get some ideas.
Share what you know about these expressions.
Complete the brochure with the expressions in Activity 4 on Page 66.
Six things you can do NOW to help stop global warming.
·Reduce waste by choosing reusable products—get a(n) 1. ,for example.
·Try to reduce your 2. .Walk or ride a bike instead of taking a car.
·Use 3. such as solar energy and wind power.
·The less energy you use,the less carbon dioxide is released.Replacing a regular light bulb with a(n) 4. is a great start.
·5. is important because clean water is a limited resource.Also,we use a lot of energy to process clean water.
·Planting trees can help a lot in reducing the 6. because trees absorb the carbon dioxide in the air.
Suggested answers:
1.reusable water bottle 2.carbon footprint 3.renewable energy 4.LED bulb 5.Water conservation 6.greenhouse effect
Step 5:Useful expressions
1.instead of 作为……的替换;而不是
2.solar energy 太阳能
wind power 风能
3.The less energy you use,the less carbon dioxide is released.
你使用的能量越少,释放的二氧化碳就越少。
4.replace...with...用……代替……
5.a limited resource 有限的资源
Step 6:Listening
Ⅰ.Listen to the tape and finish activity 7
Listen to the lecture and choose the topics that are covered.
1.What the word “smog” means.
2.When the word “smog” appeared.
3.What caused smog in the past.
4.What causes smog now.
5.The effects of smog on the environment.
6.How governments try to reduce smog.
7.What will happen if we don’t reduce smog.
Ⅱ.Listen again and try to fill in the blanks in activity 8
Smog in the past
·Term created in:1.
·Big problem in London:2. in December 1952
·Causes of the problem:burning too much coal and 3.
Smog in the present
·Causes of the problem:4. and factories
·Measures:rules about using 5. in factories and 6. in the city centre.
回顾+复习+总结
1.All afternoon he worked with Tom (help) him.
2.The thief was brought in with his hands (tie)behind his back.
3.With so much homework (finish),I can’t come to the party tonight.
归纳总结:在“with+宾语+宾补”结构中,当介词的宾语和后面的动词构成主谓/主动进行关系时,则用现在分词(doing)做宾补;当介词的宾语和后面的动词构成被动完成关系时,则用过去分词(done)做宾补。若侧重表示将来的动作或表示动作未发生,则用不定式(to do)做宾补。
宾语补足语大集合感官动词后非谓语作宾语补足语使役动词后非谓语作宾语补足语动词leave,find,keep,catch后非谓语作宾语补足语“with+宾语+宾补”结构
Suggested answers:
Ⅰ.1,2,3,4,6
Ⅱ.1.1900s 2.The Great Smog 3.no wind
4.chemicals coming from traffic 5.chemicals 6.requirements of paying to drive
回顾+复习+总结
1.helping 2.tied 3.to finish
Step 7:Practice
1.Please read the passage and choose the correct form of the verbs.
Attracted/Attracting by mermaids since she was a child,Hannah Fraser created her first tail when she was only nine years old.Now,she is a model and performance artist devoted/devoting to ocean conservation.She can be seen worn/wearing mermaid clothing and dived/diving up to 50 feet underwater to swim with dolphins,sharks and whales.She appeared in The Cove,a documentary aiming at highlighting the cruelty of dolphin hunting.Besides performing and modelling,Hannah travels the world given/giving presentations and talks,getting more people involved/involving in the conservation of ocean life.
2.Finish Activity 3 on Page 65.
Suggested answers:
1.Attracted;devoted;wearing;diving;giving;involved
2.Here,you can see dramatic landscapes changing from mountains to grasslands,forests to rivers.
In recent years,we have seen large areas of wetland damaged by human activity.
This includes keeping the original environment touched.
Step8 Practice
Finish the following exercises.
1.—There’s a hole in your bag.
— I know,I’m going to have it (mend).
2.With a lot of difficult problems (settle),the newly-elected president is having a hard time.
3.When I put my hand on his chest,I could feel his heart still (beat).
4.He managed to make himself (understand)with his broken English.
5.With trees,flowers and grass (plant) everywhere,my native town had taken on a new look.
6.Don’t leave the water (run) while you brush your teeth.
7.She was glad to see her child well (take)good care of.
8.You will see this product (advertise) wherever you go.
9.The question (discuss) at the meeting yesterday is of quite important.
10.They should understand the traffic rules by now.You’ve had it (explain) often enough.
11.There are hundreds of visitors (wait) in front of the Art Gallery to have a look at Van Gogh’s paintings.
12.The flowers (smell) sweet in the botanic garden attract the visitors to the beauty of nature.
13.He sent me an E-mail, (hope)to get further information.
14. (make) this cake,you’ll need 2 eggs,175g sugar and 175g flour.
15.When (compare)different cultures,we often pay attention only to the differences without noticing the similarities.
16.When (compare)to the people,those living in the country have more fresh air.
17.When (drive) to work,he (have)an accident.
Suggested answers:
1.mended 2.to settle 3.beating 4.understood 5.planted 6.running 7.taken 8.advertised 9.discussed 10.explained 11.waiting 12.smelling
13.hoping 14.To make 15.comparing 16.compared 17.driving;had
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