普通高中英语新课标外研版必修4教案 Period3 Function;Grammar 1,2(Module4 Great Scientists) .pdf

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1、个人收集整理 仅供参考学习Period 3Function;Grammar 1Period 3Function;Grammar 1，2 2The General Idea of This PeriodThe General Idea of This PeriodFunction in this module is talking about numbers,which include big numbers,fractions andpercentages.The students can finish Activities 1 and 2 individually and check the

2、 answers with thewhole class.As for Activity 3,pair work or group work is better.Let the students dictate somenumbers to their partners to consolidate what they learned.After that,the teacher can give them aquiz to make sure the students can distinguish different numbers correctly and can read and w

3、ritethem in the correct way.In grammar 1,well revise the passive voice of present tense,pasttense,future tense and present perfect tense.There are four activities for the students to practice.Ingrammar 2,the students will learn to use by+-ing form.Firstly,in Activity 1 make sure the usage ofthis for

4、m.It usually works as adverbial,and means“using some way”.This form is not difficult.Weare sure that after the practice in Activity 2,the students can master this form correctly.Teaching Important PointsTeach the students how to read and write numbers in a correct way.Make sure the students can use

5、the passive voice and by+-ing form correctly.Teaching Difficult PointsTo make them master the usage of the passive voice and by+-ing form.Teaching MethodsIndividual work and pair work to make every student work in class.Teaching AidsMultimedia&a blackboardThree Dimensional Teaching AimsThree Dimensi

6、onal Teaching AimsKnowledge and SkillsMake the students learn to use the mathematical terms in a correct way.Make sure the students can use the passive voice in different tenses and by+-ing formcorrectly.Process and StrategiesMotivate the students enthusiasm in taking part in the class.Feelings and

7、ValueThrough the study of this period the students will surely know more about the basic use ofthe passive voice and by+-ing form and how to read and write different numbers correctly.Teaching ProceduresTeaching ProceduresStep 1 RevisionStep 1 Revision(Greetings as usual)T:First,lets have a dictatio

8、n of the new words and expressions we learnt last class.1.staple2.leading3.figure4.breeding5.species6.yield7.original8.sterile9.breakthrough10.convert11.export12.hybrid13.replup15.as a result ofStep 2 FunctionStep 2 FunctionT:Function in this module is about numbers.Now,look at Activity 1 on Page 35

9、.Choose the correct way of saying the numbers.1.5 000 000(a)five million_(b)five millions2.47.5%(a)forty seven half percent(b)forty seven point five percent3.6321/7个人收集整理 仅供参考学习(a)six hundred and thirty two(b)six hundred thirty two4.4/5(a)four fifths_(b)four fiveAsk the students to complete them ind

10、ividually and then collect the answers in the wholeclass.After that,give the students several minutes to read them aloud.Suggested answers:1.a2.b3.a4.aT:Now lets come to Activity 2.Read the sentences aloud and attentively.1.Rice was first grown about 5000 years ago.2.China exports about 1.5%of its r

11、ice.3.Australia produces about 250 000 tons of rice.4.2/3 the worlds population regularly eat rice.T:OK,class.Now are you sure you can say the numbers correctly?Dictate some numbers toyour partner,including big numbers,fractions and percentages.Then I will giveyou a quiz.(Afterthe students practice

12、with each other,the teacher gives them the following quiz.Read themathematical terms correctly.)(Show the numbers on the screen or on the blackboard.)1.10352.3/73.46%4.2 840 0005.$95.5Ask the individual to read them,one number a student.After the students complete them,letthem read numbers together.

13、Suggested answers:1.one thousand and thirty five2.three sevens3.forty six percent4.two million eight hundred and forty thousand5.ninety five point five percentStep 3 Grammar 1:The Passive VoiceT:Now lets come to revision of the passive voice.First please study the sentences in Activity 1 on Page 33.

14、(Show the following sentences on the screen.)a.Rice is grown in many other Asian countries.b.Researchers were brought in from all over China.c.The research was supported by the government.d.In Pakistan rice will be grown in many parts of the country.e.The new hybrid rice has been developed by the Yu

15、an Longping High-tech Agriculture Companyof China.T:Now answer the following questions.(Show them on the screen.)1.Which sentence is in the present simple(passive voice)?2.Which sentences are in the past simple(passive voice)?3.Which sentence refers to the future?4.Which sentence is in the present p

16、erfect?5.Which sentences are easy to transform into the active voice?Why?Ask the students to complete them in pairs,then call back their answers from the wholeclass,having one student ask the question and another read the example sentence.Suggested answers:1.a2.b and c3.d4.e5.c and e,because you can

17、 easily find the subject of the active voice after“by”.T:From the sentences above,we can know the structure of the passive voice:be+done.Tensesare observed through the“be”verb.So the structure of the passive voice in the present,the past,thefuture,andthepresentperfectformsareasfollows:am/is/are+p.p.

18、(thepresentsimple);was/were+p.p.(the past simple);will be+p.p.(the future simple);and have/has been+p.p.(the2/7个人收集整理 仅供参考学习present perfect form).Now please make the sentences in Activity 2 using the correct tense of thepassive voice.Example:These shoes/make/in ItalyThese shoes are made in Italy.1.T

19、hese computers/produce/in America2.Rice/grow/in China/for/thousands of years3.These electronic games/make/in Japan4.A new variety of rice/discover/in 19705.Many important discoveries/make/since/the beginning of last centuryAsk the students to complete their answers individually,then check with a par

20、tner.Ask someof them to report their answers.Suggested answers:1.These computers are produced in America.2.Rice has been grown in China for thousands of years.3.These electronic games are made in Japan.(could also be“were made”)4.A new variety of rice was discovered in 1970.5.Many important discover

21、ies have been made since the beginning of last century.After the students finish sentences,ask the whole class to answer the additional activity:whatform of the passive voice are the sentences?Suggested answers:1.present simple2.present perfect3.present simple(past simple)4.past simple5.present perf

22、ectT:Now class,I think you have mastered the use of the passive voice.Lets do another twoactivities to consolidate what weve learned.First,complete the sentences using the verbs inbrackets in Activity 3.Ask the students to fill in the blanks individually,then the teacher let somevolunteers speak out

23、 their answers.During class,the teacher should encourage the students to beactive in class,and give the students more chances.(Show the following sentences on the screen.)1.As a boy he _(educate)in many schools.2.He _(give)the nickname,”the student who asks questions”.3.The results of his experiment

24、s _(publish)in China in 1966.4.Finally,in 1970 a naturally sterile make rice plant _(discover).5.50 thousand square kilometers of rice fields _(convert)to growing vegetables.6.Following this,Yuan Longpings rice _(export)to other countries.Suggested answers:1.was educated2.was given3.were published4.

25、was discovered5.were converted6.was exportedT:Just now,youve got the whole sentences correctly.Now lets do a further job.Writequestions based on the information in Activity 3.The first word in the sentence is given.Well havea pair work this time.Discuss the sentence with your partner,then gives us t

26、he questions.One givesus the question,while his or her partner gives us the answer.(Show the following on the screen.)1.Where?2.What?3.When?4.When?5.How many?6.Where?Suggested answers:Questions:1.Where was he educated(as a boy)?3/7个人收集整理 仅供参考学习2.What nickname was he given?3.When were the results of

27、his experiments published(in China)?4.When was a naturally sterile male rice plant finally discovered?5.How many square kilometers of rice fields were converted to growing vegetables?6.Where was Yuan Longping s rice exported?Answers:1.As a boy he was educated in many schools.2.He was given the nickn

28、ame,”the student who asks questions”.3.The results of his experiments were published in China in 1966.4.Finally,in 1970 a naturally sterile make rice plant was discovered.5.50 thousand square kilometers of rice fields were converted to growing vegetables.6.Following this,Yuan Longpings rice was expo

29、rted to other countries.Step 4 Grammar 2Step 4 Grammar 2T:Here is a sentence for you to decide which question the underlined phrase answers.(Show the sentence on the screen.)He thought he could produce more rice by crossing different species of plant.1.What could he produce?2.Why should he produce m

30、ore rice?3.How could he produce more rice?T:OK,class.Which one is the correct answers?Ss:No.3.T:Thats right.This question is easy to understand.From the question,we know grammar inthis part is by+-ing form.It usually works as adverbial,and means“using some way”.This form isnot difficult.We are sure

31、that after the practice in Activity 2,you can master this formcorrectly.Now,lets come to Activity 2.Rewrite the sentences by changing the underlined phraseswith a phrase beginning with by+-ing.(Read the example and have the students follow.Make sure they understand the form.Thenask the students to c

32、omplete the activity individually,and call back the answers from the wholeclass as complete sentences,having one student read the original and another the altered version.)(Show the following sentences on the screen.)Example:You can get a good job if you study hard.You can get a good job by studying

33、 hard.1.Yuan Longping changed agricultural in China.He discovered a new type of rice.2.Researchers learn things when they carry out experiments.3.They changed the design and so they built a better engine.4.You will become a better pianist if you practise often.5.If you plan for the future we can be

34、happy in the present.Suggested answers:1.Yuan Longping changed agriculture in China by discovering a new type of rice.2.Researchers learn things by carrying out experiments.3.By changing the design they built a better engine.4.You will become a better pianist by practicing often.5.By planning for th

35、e future we can be happy in the present.Step 5 Summary and homeworkStep 5 Summary and homework4/7个人收集整理 仅供参考学习T:Through this class we have learned the correct way of saying numbers.In the part ofgrammar,we learned the passive voice in the present simple,the past simple,the future simple andthe prese

36、nt perfect tense,we studied the usage of by+-ing form as well.Homework today is to findmore examples to practice after class.So much for today.Good-bye,everyone!T:Good-bye,teacher!The Design of the Writing on the BlackboardThe Design of the Writing on the BlackboardModule 4Great ScientistsThe third

37、period1.10352.3/73.46%4.2 840 0005.$95.5Record after TeachingRecord after Teaching_Activities and ResearchActivities and Research1.Find more numbers to practice with your partners.2.Go over the passive voice in different tenses and by+-ing form.Reference for TeachingReference for TeachingGrammarGram

38、mar被动语态被动语态1.被动语态地构成英语动词有两种语态:主动语态和被动语态.主动语态表示主语是动作地执行者,被动语态表示主语是动作地承受者.由于不及物动词不能带宾语,故无被动语态,只有及物动词或相当于及物动词地动词短语才有被动语态,其基本构成方式是”助动词 be过去分词”.注意:”be过去分词”结构不一定都是被动语态,有些动词（如 be,feel,look,seem 等）后面地过去分词已转化为形容词,用作表语表示状态.例如:The glass is broken.(杯子破了.)2.主动语态改被动语态地方法(1)将主动语态改为被动语态应注意以下三个方面:将主动语态地宾语改为被动语态地主语;将

39、主动语态地谓语动词改为”be过去分词”结构;将主动语态地主语改为介词 by之后地宾语,放在谓语动词之后（有时可省略）.(2)含直接宾语和间接宾语地主动语态改为被动语态时有两种情况:把间接宾语改为被动语态地主语,直接宾语仍保留原位;把直接宾语改为主动语态地主语,此时,间接宾语前要加介词 to或 for.例如:He gave the boy an apple.The boy was given an apple.（或 An apple was given to the boy.）Her father bought her a present.She was bought a present by

40、her father.（或 A present was bought for her by her father.）(3)不带 to 地动词不定式作宾语补足语地主动语态,改为被动语态时不定式前要加 to.例如:They watched the children sing that morning.The children were watched to sing that morning.(4)带复合宾语地动词在改为被动语态时,一般把主动语态地宾语改为主语,宾语补足语在被动语态中作主语补足语.例如:We call him Xiao Wang.He is called Xiao Wang.5/7

41、个人收集整理 仅供参考学习He cut his hair short.His hair was cut short.They told him to help me.He was told to help me.(5)短语动词是不可分割地整体,改为被动语态时要保持其完整性,介词或副词不可遗漏.例如:We must take good care of the young trees.The young trees must be taken good care of.(6)含有宾语从句地主动结构变为被动结构时,通常用 it 作为被动结构地先行主语,从句放 在 句 子 后 面;也 可 采 用 另

42、一 种 形 式.可 以 这 样 转 换 为 被 动 结 构 地 动 词 有know,say,believe,find,think,report等.例如:People believe that he is ill.It is believed that he is ill.（或:He is believed to be ill.）3.被动语态改为主动语态地方法被动语态中介词 by 后地宾语改为主动语态中地主语（或按题意要求确定主语）,按照这个主语地人称和数以及原来地时态把谓语动词形式由被动语态改为主动语态.注意在主动语态中有地动词要求不带 to 地动词不定式作宾语补足语,此时要把被动语态中地 t

43、o 去掉.被动语态地主语用来作主动语态地宾语.例如:History is made by the people.The people make history.4.不能用于被动语态地情况（1）某些表示”静态”地及物动词（表示状态而不是动作,而且常常是不可用于进行时态地动词）如 have,fit,suit,hold（容纳）,cost,suffer,last（持续）等不能用于被动语态.例如:They have a nice car.他们有一辆漂亮地汽车.My shoes dont fit me.我地鞋不合适.My brain cant hold so much information at one

44、 time.我地脑子一下子记不住这么多资料.How much What does it cost？这值多少钱？Our holiday lasts 10 days.我们地假期有十天.This food will last（them）（for）3 days.这食物足够（他们）（吃）三天.（2）不是所有带介词地动词都能用于被动结构.若是构成成语动词通常有被动态,若不构成成语动词则无被动态.试比较:They arrived at a decision.A decision was arrived at.他们作出了决定.They arrived at the station.他们到达车站.（不说 The

45、 station was arrived at.）He looked into the question.The question was looked into.他调查了这个问题.（3）动词 leave（离开）,enter（进入）,join（参加）不可用于被动语态.例如:The car left the road and hit a tree.车子离开了道路,撞上了树.（4）某些及物动词可作不及物动词用,特别是后加副词（如 well,easily 等）时.主动语态有被动含义,这类动词常见地有 sell,write,wear,wash,cook,open,close,lock,read,rec

46、ord等.例如:His new novel is selling well.他地新小说很畅销.This material wont wear.这种材料不耐穿.（5）feel,look,appear,sound,taste,smell等由实义动词演变而来地系动词,后接形容词作表语,不可用于被动语态.例如:Tell me if you feel cold.你要是感到冷就告诉我.Those roses smell beautiful.那些玫瑰好闻极了.6/7个人收集整理 仅供参考学习（6）宾语是不定式或动词地-ing形式时,不可用于被动语态.Peter hoped to meet her.彼得希望遇

47、见她.Mr.Smith enjoyed seeing his daughter.史密斯先生喜欢看他地女儿.（7）宾语是反身代词或相互代词时,不可用于被动语态.例如:She can dress herself.她可以自己穿衣服.We could hardly see each other in the fog.在雾中我们彼此几乎看不见.（8）宾语是同源宾语时,不可用于被动语态.例如:They live a happy life.他们过着幸福地生活.5.某些动词地主动形式表被动含义英语中有很多动词如 act,break,catch,cut,clean,drive,draw,let,lock,ope

48、n,sell,read,write,wash,wear 等,当它们被用作不及物动词来描述主语特征时,其主动形式常用来表达被动含义.另外,像 owe,beat,cook,bake,print,build,make等,有时可以用主动形式表达被动含义.如:This kind of radio doesnt sell well.这种收音机不太畅销.The shop opens at eight oclock.这个商店八点开门.The pipe does not draw well.这烟斗不太通畅.注意:主动表被动强调地是主语地特征,而被动语态则强调外界作用造成地影响.例如:The door wont

49、lock.门锁不上.（指门本身有毛病）The door wont be locked.门不会被锁上.（指不会有人来锁门）His novels sell easily.他地小说销路好.（指小说本身内容好）His novels are sold easily.他地小说容易销售.（主要强调外界对小说地需求量大）6.某些动名词地主动形式表被动含义（1）在 need,want,require,deserve 和 bear 等词地后面,动名词用主动形式表示被动含义,其含义相当于动词不定式地被动形式.例如:The house needs repairing（to be repaired）.这房子需要修理.（2）形容词 worth 后面跟动名词地主动形式表示被动含义,但不能跟动词不定式;而worthy后面跟动词不定式地被动形式.He picture-book is well worth reading.(The picture-book is very worthy to be read.）这本画册很值得一读.7/7