Unit 5 Working the land Discovering Useful Structures 课件-2024-2025学年高中英语人教版（2019）选择性必修第一册

Unit 5 Working the Land Discover Useful Structures Subject Clauses(主语从句） 江门市新会陈经纶中学 高二(11)班 授课老师：姚坤玥 02 01 03 To understand the great contributions Yuan made to Chinese agriculture Identify subject clauses; choose correct leading words; arrange correct word order Do a brainstorm about Yuan’s good qualities and write a paragraph about Yuan Learning Objectives 1.What concerned Yuan most while he was young？ -- What concerned Yuan most while he was young was _____________________________________. 2. What did he choose to study in college? -- ______________________________________________ . Lead-in that farmers had poor harvests What he chose to study was agriculture Step 1. Identify the subject When a sentence serve as subject, we call it Subject Clause. 复合句中充当主语的从句叫主语从句。 1. His concern was that farmers had poor harvests. 2. What concerned Yuan most was that farmers had poor harvests. learning tips: 主语从句开始于连词，截止到第二个谓语动词前。 Circle the subject in each sentence: Step 2: Observe and Analyze 1. What concerned him most was that farmers often had poor harvests. 2. Who will win the competition is still a mystery. 3. Whom you invited is not important. 4. Whose watch was lost was still unknown. 5. Which team will win the competition is difficult to predict. Underline the subject clauses in these sentences and circle the leading words of the subject clauses: Step 2: Observe and Analyze 6. That Yuan had realized his dream of seawater rice surprised the whole world. 7. Whether it was possible to develop a hybrid of self-pollinating plants was a matter of great debate. Underline the subject clauses in these sentences and circle the leading words of the subject clauses: Step 2: Observe and Analyze 8. When Yuan would retire to a life of leisure was never mentioned. 9. Where the hybrid rice can be planted is a question. 10. Why Yuan developed seawater was to feed more people. 11. How this could be done was a challenging question. Underline the subject clauses in these sentences and circle the leading words of the subject clauses: Step 3: Classify and Summarize Subordinating Conjunctions 从属连词 （不作成分） that, whether 两者在从句中均不作成分，只起连接作用； Conjunctiva Pronouns 连接代词 (作主、宾、表、定语) （均有各自意义） what, who, whom, whose, which 在从句中作主语、宾语、表语、定语等成分。 Conjunctiva Adverbs 连接副词 (作状语，均有各自意义) when, where, why, how 在从句中作时间、地点、方式、原因状语等成分。 Step 4: Observe and Summarize Rule 1: Subject-predicative agreement 主谓一致 主语从句作主语时，句子谓语一般用单数。 1. That he will pass the exam is certain. 2. How she keeps healthy is a secret. 3. Which book I shall choose hasn’t been decided. Circle predicate verbs (谓语动词) or link verbs (系动词) of of the main clauses: Step 5: Translate and Summarize Complete the following sentences and focus on the word order in subject clauses: 1. Where Yuan chose to study agriculture was not an accident. 2. Whether he could develop the hybrid rice was not clear then. 3. How the hybrid rice will expand output is highly expected. Rule 2: 主语从句用陈述语序 袁隆平在哪里学习农业 他是否能培育出杂交水稻 杂交水稻将如何提高产量 1. That about 60% of China’s rice consumption is from Yuan’s hybrid strains is estimated. Step 6: Observe and Analyze 2. It is estimated that about 60% of China’s rice consumption is from Yuan’s hybrid strains. 形式主语 后面的主语从句作真正的主语 主语从句太长了.... ★主语从句为了避免头重脚轻现象,用it做 ，而把从句放在后面充当 。 形式主语 Explore the structures of the following sentences: 真正的主语 Step 7: Translate and Display Translate the sentence into English using subject clause and display: 众所周知，农业是我国的基础。 Answer 2. It is well-known that agriculture is the foundation of our country. Answer 1. That agriculture is the foundation of our country is well-known. 1. It seems that you disagree with the plan. 2. It’s a pity that you can’t attend my birthday party. 3. It is suggested that the meeting be put off. 4. It is necessary that several nurses (should) stay. It + + 主语从句 (seem, appear, happen…) 不及物动词或系动词 It+ be + + 主语从句 (a pity, a fact...) 名词 It+ be + + 主语从句 (said, believed, reported, known…) 过去分词 It+ be + + 主语从句(necessary, obvious, true, strange...) 形容词 Step 8: Observe and Summarize: It 作形式主语的常见结构： Step 9: Assess Your Progress Fill in the blanks in the passage and understand how the subject clauses are used: Yuan Long ping, the father of hybrid rice, considered himself a farmer at heart and devoted his life to millions of Chinese farmers. 1._______ concerned him most 2. ______ farmers often had poor harvests. Therefore, he chose to study agriculture. As a researcher, 3. ________ Yuan realized was that large fields were not the solution but to expand output in the fields. 4. ______ this could be done was a challenging question. Yuan firmly believed that the answer could be found in the creation of hybrid rice. Yet, 5. ____________it was possible to develop hybrid rice was in great debate. Overcoming enormous difficulties, Yuan succeeded in developing the first hybrid rice in 1973. What was what How whether Step 10: Create your Writing Brainstorm Yuan’s good qualities: Yuan’s good qualities What qualities do you think made Yuan Long ping so successful? selfless creative committed persistent hard-working kind-hearted curious Step 10: Create your Writing Use subject clauses to write a paragraph about Yuan Longping’s good qualities and great achievements What impresses me most is that Yuan Long ping devoted to helping feed so many people. It was important that he never gave up, despite many difficulties. That he succeeded in developing the hybrid rice was what made him great. Step 10: Create your Writing Whether...depend on his determination to tackle the crisis of ... his intense effort to overcome... his dream to develop... his love and care for... It is important that What impresses me most is that What makes him a great... is that That... is his most important quality. he succeeded in... he never gave up... he is devoted to... Use subject clauses to write a paragraph about Yuan Longping’s good qualities and great achievements Summary 主语从句三要素 How he became a great scientists is known to us all. 主语从句不能省略_________ 主语从句用 _______ 语序 主语从句做主语时，句子谓语动词一般用_______ 单 数 连 词 陈 述 分析句子成分 缺主宾 表定 缺状语 用连接代词 用连接副词 根据语意缺什么补什么 都不缺用that或whether Subordinating Conjunctions 从属连词 （不作成分） that, whether 两者在从句中均不作成分，只起连接作用； Conjunctiva Pronouns 连接代词 (作主、宾、表、定语) （均有各自意义） what, who, whom, whose, which 在从句中作主语、宾语、表语、定语等成分。 Conjunctiva Adverbs 连接副词 (作状语，均有各自意义) when, where, why, how 在从句中作时间、地点、方式、原因状语等成分。 Homework Write a short paragraph (80 words) to introduce a great person like Yuan Long ping, using the subject clauses when necessary. $$