高中英语 Period3 Function;Grammar 12（Module4 Great Scientists） 教案 外研版必修4

专心 爱心 用心1 PeriodPeriod 3 3 Function GrammarFunction Grammar 1 1 2 2 TheThe GeneralGeneral IdeaIdea ofof ThisThis PeriodPeriod Function in this module is talking about numbers which include big numbers fractions and percentages The students can finish Activities 1 and 2 individually and check the answers with the whole class As for Activity 3 pair work or group work is better Let the students dictate some numbers to their partners to consolidate what they learned After that the teacher can give them a quiz to make sure the students can distinguish different numbers correctly and can read and write them in the correct way In grammar 1 we ll revise the passive voice of present tense past tense future tense and present perfect tense There are four activities for the students to practice In grammar 2 the students will learn to use by ing form Firstly in Activity 1 make sure the usage of this form It usually works as adverbial and means using some way This form is not difficult We are sure that after the practice in Activity 2 the students can master this form correctly Teaching Important Points Teach the students how to read and write numbers in a correct way Make sure the students can use the passive voice and by ing form correctly Teaching Difficult Points To make them master the usage of the passive voice and by ing form Teaching Methods Individual work and pair work to make every student work in class Teaching Aids Multimedia was were p p the past simple will be p p the future simple and have has been p p the present perfect form Now please make the sentences in Activity 2 using the correct tense of the passive voice Example These shoes make in Italy These shoes are made in Italy 1 These computers produce in America 2 Rice grow in China for thousands of years 3 These electronic games make in Japan 4 A new variety of rice discover in 1970 5 Many important discoveries make since the beginning of last century Ask the students to complete their answers individually then check with a partner Ask some of 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 discoveries have been made since the beginning of last century After the students finish sentences ask the whole class to answer the additional activity what form of the passive voice are the sentences Suggested answers 1 present simple 2 present perfect 3 present simple past simple 4 past simple 5 present perfect T Now class I think you have mastered the use of the passive voice Let s do another two activities to consolidate what we ve learned First complete the 专心 爱心 用心4 sentences using the verbs in brackets in Activity 3 Ask the students to fill in the blanks individually then the teacher let some volunteers speak out their answers During class the teacher should encourage the students to be active 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 experiments 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 Longping s rice export to other countries Suggested answers 1 was educated 2 was given 3 were published 4 was discovered 5 were converted 6 was exported T Just now you ve got the whole sentences correctly Now let s do a further job Write questions based on the information in Activity 3 The first word in the sentence is given We ll have a pair work this time Discuss the sentence with your partner then gives us the questions One gives us 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 2 What nickname was he given 3 When were the results of 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 nickname 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 Longping s rice was exported to other countries 专心 爱心 用心5 StepStep 4 4 GrammarGrammar 2 2 T 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 more rice 3 How could he produce more rice T OK class Which one is the correct answers Ss No 3 T That s right This question is easy to understand From the question we know grammar in this part is by ing form It usually works as adverbial and means using some way This form is not difficult We are sure that after the practice in Activity 2 you can master this form correctly Now let s come to Activity 2 Rewrite the sentences by changing the underlined phrases with a phrase beginning with by ing Read the example and have the students follow Make sure they understand the form Then ask the students to complete the activity individually and call back the answers from the whole class 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 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 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 the future we can be happy in the present StepStep 5 5 SummarySummary andand homeworkhomework T Through this class we have learned the correct way of saying numbers In the part of grammar we learned the passive voice in the present simple the past simple the future simple and the present perfect tense we studied the usage of by ing form as well Homework today is to find more examples to practice after class So much for today Good bye everyone 专心 爱心 用心6 T Good bye teacher TheThe DesignDesign ofof thethe WritingWriting onon thethe BlackboardBlackboard Module 4 Great Scientists The third period 1 1035 2 3 7 3 46 4 2 840 000 5 95 5 RecordRecord afterafter TeachingTeaching ActivitiesActivities andand ResearchResearch 1 Find more numbers to practice with your partners 2 Go over the passive voice in different tenses and by ing form ReferenceReference forfor TeachingTeaching GrammarGrammar 被动语态被动语态 1 被动语态的构成 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的执行者 被动 语态表示主语是动作的承受者 由于不及物动词不能带宾语 故无被动语态 只有及物动词 或相当于及物动词的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 后面的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的方法 1 将主动语态改为被动语态应注意以下三个方面 将主动语态的宾语改为被动语态 的主语 将主动语态的谓语动词改为 be 过去分词 结构 将主动语态的主语改为介 词 by 之后的宾语 放在谓语动词之后 有时可省略 2 含直接宾语和间接宾语的主动语态改为被动语态时有两种情况 把间接宾语改为 被动语态的主语 直接宾语仍保留原位 把直接宾语改为主动语态的主语 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 her father 或 A present was bought for her by her father 3 不带 to 的动词不定式作宾语补足语的主动语态 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 带复合宾语的动词在改为被动语态时 一般把主动语态的宾语改为主语 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 He cut his hair short His hair was cut short They told him to help me He was told to help me 专心 爱心 用心7 5 短语动词是不可分割的整体 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 含有宾语从句的主动结构变为被动结构时 通常用 it 作为被动结构的先行主语 从 句放在句子后面 也可采用另一种形式 可以这样转换为被动结构的动词有 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的方法 被动语态中介词 by 后的宾语改为主动语态中的主语 或按题意要求确定主语 按照 这个主语的人称和数以及原来的时态把谓语动词形式由被动语态改为主动语态 注意在主 动语态中有的动词要求不带 to 的动词不定式作宾语补足语 此时要把被动语态中的 to 去掉 被动语态的主语用来作主动语态的宾语 例如 History is made by the people The people make history 4 不能用于被动语态的情况 1 某些表示 静态 的及物动词 表示状态而不是动作 而且常常是不可用于进行 时态的动词 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 他们有一辆漂亮的汽车 My shoes don t fit me 我的鞋不合适 My brain can t hold so much information at one time 我的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 我们的假期有十天 This food will last them for 3 days 这食物足够 他们 吃 三天 2 不是所有带介词的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 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 这类动词常见的有 sell write wear wash cook open close lock read record 等 例如 His new novel is selling well 他的新小说很畅销 This material won t 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的系动词 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 专心 爱心 用心8 Those roses smell beautiful 那些玫瑰好闻极了