（2019版）新人教版选择性必修第一册Unit 5Discovering Useful Structures ppt课件.pptx

1、Subject ClausesSubject Clauses. 学习理解学习理解Look at the complex sentences below and state the functions of the noun clauses italicized. Then find similar complex sentences from the text. What Yuan Longping really cared about was not money or celebrity. That Yuan Longping had realized his dream of seawat

2、er rice surprised the whole world. It surprised the whole world that Yuan Longping had realised his dream of developing seawater rice.SubjectSubjectSubjectSubjectSubjectSubjectPara 2. Para 2. However, what concerned him most was that farmers often had poor harvests and sometimes even had a serious s

3、hortage of food to eat. Para 3. Para 3. How this could be done was a challenging question at the timeHowever, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. Para 6.Para 6.What impresses people most about Yuan Longping is his ongoing

4、ability to fulfill his dreams. . 应用实践应用实践Match the sentence parts, and then translate the completed sentences into Chinese. Pay attention to how the subjects are introduced differently.A. What worries many peopleB. That the lifestyle is slower and healthierC. How we can find a suitable solution to p

5、roduce sufficient food while keeping the environment safeD. When these wheat farmers will join this pilot experimentE. It amazed all of us that _ remains an unanswered question. _ is an important topic for us to research. _ is that these chemicals may even cause cancer. _ these vegetables can even b

6、e planted without any soil through this new technology. _ is the reason why some people prefer to live in the country rather than in the city.D DC CA AE EB B. 应用实践应用实践Translate the completed sentences into Chinese. Pay attention to how the subjects are introduced differently. When these wheat farmer

7、s will join this pilot experiment remains an unanswered question. How we can find a suitable solution to produce sufficient food while keeping the environment safe is an important topic for us to research. What worries many people is that these chemicals may even cause cancer. It amazed all of us th

8、at these vegetables can even be planted without any soil through this new technology. That the lifestyle is slower and healthier is the reason why some people prefer to live in the country rather than in the city.从句中成分完整，询问“时间” when从句中成分完整，询问“方式” how从句中缺少主语，表示“什么” whatIt 为形式主语，that引导的从句是句子真正的主语从句中结构

9、结构完整且描述的是事实事实 that. 应用实践应用实践主语从句的连接词及其句法功能主语从句的连接词及其句法功能1. 连接词 that 和 whether/if（1） that 在从句中不充当任何成分，本身无任何意义，只起连接作用，但不可省略不可省略（2）whether / if 在从句中不充当任何成分，其连接作用，意为“是否”，不可省略不可省略即时演练即时演练完成句子完成句子 （1）她能来演讲使我们很惊讶。_（2）她喜不喜欢这个颜色都没关系。_. 应用实践应用实践主语从句的连接词及其句法功能主语从句的连接词及其句法功能2. 连接代代词 whowhomwhosewhatwhichwhichev

10、erwhoeverwhomeverwhatever连接代词引导主语从句，在从句中作主语主语、宾语宾语、表语表语或定语定语3. 连接副副词whenwherehowwhy连接副词引导主语从句并在从句中作状语状语即时演练即时演练完成句子完成句子 _ John was late for the class has been unexplained.解题步骤解题步骤：（1）分析句子成分，明确名词性从句在句中的功能。（主语？宾语？表语？）（2）明确名词性从句所表达的意义。（3）明确名词性从句中所需要的成分及意义。（4）确定名词性从句的连接词。. 应用实践应用实践主语从句的连接词及其句法功能主语从句的连接词

11、及其句法功能即时演练即时演练完成句子完成句子 (1) _ the English speech contest will be held has not yet been decided.A. Where B. When C. Whether D. All of the above E. None of the above(2) _ wants to win the election will face lots of difficulties.A. Who B. Whoever(3) _ part of the country he will travel to needs discussi

12、ng.A. Which B. Whose(4) _ moved me most deeply was the deep love between the boy and his parents.A. Who B. What C. When D. Where . 应用实践应用实践Read the passage and underline all the subject clauses. Then in pairs, discuss whether the sentences with subject clauses can be paraphrased. Grandma has been co

13、mplaining about the vegetables sold in the supermarket, which have been grown using chemical fertilisers. To her, that they look beautiful on the outside is obvious. However, what she is unhappy about is the lower nutritional value and reduced flavour. Now that both of my grandpparents have retired

14、from their jobs in the city, how they are going to spend their retirement is an important decision for them. Whether they can live a healthy life is the first thing they are considering. So they have made up their minds to move to the countryside, where they can live a green life. 应用实践应用实践Discuss wh

15、ether the sentences with subject clauses can be paraphrased. Grandma has been complaining about the vegetables sold in the supermarket, which have been grown using chemical fertilisers. To her, that they look beautiful on the outside is obvious. However, what she is unhappy about is the lower nutrit

16、ional value and reduced flavour. Now that both of my grandpparents have retired from their jobs in the city, how they are going to spend their retirement is an important decision for them. Whether they can live a healthy life is the first thing they are considering. So they have made up their minds

17、to move to the countryside, where they can live a green life. 应用实践应用实践Discuss whether the sentences with subject clauses can be paraphrased. To her, that they look beautiful on the outside is obvious. However, what she is unhappy about is the lower nutritional value and reduced flavour. How they are

18、 going to spend their retirement is an important decision for them. Whether they can live a healthy life is the first thing they are considering. 应用实践应用实践主语从句常用 it 作形式主语，常见句型有：1. It + be + adj. + 主语从句. （obvious clear (un)certain true natural strange likely.） 2. It + be + 名词词组 + 主语从句. （no wonder an h

19、onour a pity a(no) surprise）3. It + be + 过去分词 + 主语从句.（said suggested reported thought expected proved .）4. It + be + 不及物动词 + 主语从句.（happen seem appear remain .）5. It + be + 及物动词 + 宾语 + 主语从句. 应用实践应用实践注意：注意：1. 主语从句中谓语为主语从句中谓语为(should) do . a. 若adj.为 ：important necessary strange等 b. 若过去分词为：suggested ord

20、ered required advised等 译：有人建议会议延期召开。 _2. 从句要用陈述语气从句要用陈述语气 a. What we will do next should be decided. b. What will we do next should be decided. 应用实践应用实践3. 主谓一致：主谓一致： （1） 从句作主语时，主句的谓语一般用第三人称单数单数;e.g. What surprised me most _ (be) that the man in rags was a millionaire. （2）若what 引导主语从句且主句为主系表主系表结构，主句谓

21、语动词与表语的数保持一致。e.g. What the school needs most _ (be) books. . 应用实践应用实践3. 主谓一致：主谓一致： （3） 如果由and连接两个或两个以上的主语从句作主语，谓语动词用复数复数。e.g. When will they leave and where will they go _ (have) not yet been decided. （4）由两个或多个连接词引导一个主语从句时，谓语动词用单数单数。e.g. When and where their wedding will be held _ (have) been decide

22、d already. 迁移创新迁移创新What qualities do you think make a person like Yuan Longping so successful? The following points and expressions may help you. his/her determination to tackle the crisis of . his/her intense effort to overcome . his/her dream to develop . his/her love and care for . he/she succeeded in . he/she never gave up . he/she is devoted to . What impresses me most is that .what makes him/ her a great . is that .It is important that .Whether . depends on .That . is his/ her most important quality.