Unit 5 Working the land Learning about Language 语法：主语从句课件-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 In this class, you will identify and summarize the uses of noun clauses as subjects; use subject clauses to talk about something. 2 contents The subject clause Ⅰ Exercises Ⅱ Homework III Lead-in IV 3 Ⅰ Lead-in 4 句子 类型 简单句 并列句 复合句 主句 形容词性从句 (定语从句) 名词性从句 副词性从句(状语从句) 主语从句 宾语从句 表语从句 同位语从句 从句 Definition and types: Ⅱ The subject clause 6 主语从句定义 主语从句连接词 主语从句注意事项 巩固练习 The subject clause 1 2 3 4 主语从句定义 Part 1 5. To find your way can be a problem. 4. Smoking is bad for you. 1. Jane works hard. 2. You are a student. 3. The old should be respected. 1.What’s the subject? （什么是主语？） 6. What she said is not yet known. 结论： ☞主语是句子说明的人或事物，一般放在______。 ☞一个句子来充当_______叫主语从句。 句首 主语 主语从句作主语 名词作主语 代词作主语 形容词作主语 动名词作主语 动词不定式作主语 9 1.主语从句的定义： 在句中充当主语的从句叫做主语从句。它是名词性从句之一，使用陈述句语序。即主语在前，谓语在后。 主语 His job is important. What he does is important. 引导的连接词有从属连词、连接代词和连接副词。 2.主语从句语序 When will he come is not known. When he will come is not known. √ × 主语从句一律用陈述语序，即主语在前，谓语在后。例如： Whether they would support us was a problem. What she said is true. Where she is from is unknown. When they will start is not known yet. 主语从句连接词 Part 2 1. 课文原句回顾 1. However, 　　　　     concerned him most was 　　　　     farmers often had poor harvests and sometimes even had a serious shortage of food to eat. 2. 　　　　     this could be done was a challenging question at the time. 3. However, 　　　　     it was possible to develop a hybrid of self- pollinating plants such as rice was a matter of great debate. 4. Today, 　　　　     is estimated 　　　　     about 60 percent of domestic rice... 5. 　　　　     impresses people most about Yuan Longping is his ongoing ability to fulfil his dreams. what that How whether it that What 2.主语从句的连接词 引导主语从句的连接词有从属连词、连接代词和连接副词。 引导主语从句的从属连词有： that、whether 、 if 引导主语从句的连接代词有： who、whoever、whom、whose、what、whatever、which、whichever 引导主语从句的连接副词有： when、where、how、why 14 1. That I love English is real. 2. That you can travel around the world is amazing. 3. Whether he will come is uncertain. 4. Whether the boy could win made me curious. Conclusion1:that在句中 （有/无）含义， （充当/不充当）句子成分， （可/不可）省略。 whether (充当/不充当）句子成分；意思是“ ”。当主语从句在句首时，whether一般 （能/不能）被if替换。从属连词引导主语从句只起引导作用，在主语从句中不充当任何成分。 无 不充当 不可 不充当 是否 不能 从属 连词 Who will go makes no difference. What we need is more time. Which book I shall choose hasn't been decided. Whoever breaks the law will be punished. Conclusion2: 引导主语从句的连接代词，主要有谁“ ”、无论谁“ ”什么“ ” 无论什么“ ”、谁的“ ”、哪一个“ ”；在句中可以充当 、 、表语、 。 who whoever what whatever whose which 主语 宾语 定语 连接 代词 When we will leave hasn't been decided. How she keeps healthy is a secret. Why he cries is not clear. Where the meeting will be held is not known. Conclusion3: 引导主语从句的连接副词，在句中做“ ”。主要包括：怎么样“ ”， 为什么“ ”在/去什么地方“ ”，什么时候“ ”。 状语 how why where when 连接 副词 “缺什么补什么”原则 缺主语，指人用____，指物用_____ 缺宾语，指人用______ _，指物用____ 缺时间状语用______； 地点状语用______； 原因状语用_____； 方式状语用_____； 定语用____________； 什么都不缺用_______，缺“是否”_______ who what who/whom what when where why how which/whose 主语从句的连接词口诀 that whether 类别 例词 说明 从属连词 that，whether 两者在从句中均不作成分，只起连接作用；that无实义，whether表示“是否”。 连接代词 who，what，which，whoever，whatever等 在从句中作主语、宾语、表语、定语等成分。 连接副词 when，where，how，why等 在从句中作时间、地点、方式、原因状语等成分。 归纳：主语从句的连接词 主语从句注意事项 Part 3 That all countries work together is important. 探寻规律1： 主语从句太长怎么办？ 用一个 It 来解决问题！ It is important that all countries work together. 主语从句一般放在句首, 但有时为了使句子结构平衡, 避免 “头重脚轻”, 常用 it 作形式主语, 而把从句放在后面。 1. That the earth moves around the sun is well known. It is well known that the earth moves around the sun. 2. That she has made such a mistake is a pity . It is a pity that she has made such a mistake. 3. Whether he'll come here isn't clear.   It isn't clear whether/if he'll come here. 注意：主语从句位于句首时, 不能用if 引导, 主语从句后置时, 才可以用if引导。 1.It作形式主语的常见句型: (1) It +be+形容词（obvious, true, surprising, wonderful, possible, likely, certain) +that 从句 (2) It + be +过去分词(said, reported, thought, expected, decided, announced, suggested等)+that从句 (3) It + be +名词词组(a pity, a shame, good news, an honor, no wonder等)+that从句 (4)It+不及物动词/动词短语(seem, appear, happen, matter, turn out, occur to等)+that 从句 探寻规律2： 主语从句 主谓一致 问题 1. Whether the patient will be taken ______ unknown. 2. When and where the patient will be taken _____ unknown. 3. When the task can be finished and whether he can have a rest ________ unknown. 4. What he wants most _________ staying with his family. What they need _______ masks(口罩). 主句的谓语动词，大多数使用_______ (单数？复数？) 由两个连接词引导同一个主语从句，谓动使用____ (单数？复数？) 主语为and连接的两个主语从句时，谓动使用____ (单数？复数？) what在主语从句中做宾语时，谓动由______决定单复数 (主语？表语？) 单数 单数 复数 表语 is is are is are 2. 主语从句的主谓一致问题 1. That he will pass the exam is certain. 2. Which book I shall choose hasn't been decided. 3. How she keeps healthy is a secret. 4. When they will start and where they will go _____(be)still unknown. are 当单个主语从句充当句子主语时，谓语动词用单数；当两个或两个以上的主语从句充当主语时，谓语动词用复数。 3. what 与 that在引导主语从句时的区别 1. _______ you said yesterday is right. 2. _______ she is still alive is exciting. 3. _______ he lost the bike worried him a lot. 4. _______ he lost yesterday is his bike. What That What That what 既引导从句，又在从句中充当主语、宾语或表语，意为“所......的东西”。而that 只引导从句，不在从句中充当成分。 连接词 1.从属连词 2.连接代词 3.连接副词 Noun clause 类型和功能 1.主语从句 （主语） 2.宾语从句 （宾语） 3.表语从句 （表语） 4.同位语从句 （同位语） 注意事项 1.陈述语序 2.it 做形式主语 3.主谓一致 4.what和 that 区别 Summarize Definition: 名词或名词短语可以在句中充当主语、表语、宾语、同位语。当这些名词或名词短语由一个句子替代时，就是名词性从句。名词性从句是在句子中起名词作用的句子。根据在句中不同的语法功能，可以分为四类。 The subject clause that 引导的主从 that 在句中不作成分，无含义，不可省 whether 引导的主从 whether 引导主从，有“是否”含义，不可省 连接代词和连接副词引导的主从 连接代词和连接副词在从句中有含义，且充当主、宾、定、状等成分 it 作形式主语，从句为真正的主语 It is + 过去分词 + that 从句 It is + 形容词 + that 从句 It + 不及物动词/动词词组 + that 从句 主语从句 It is + 名词 /词组+ that 从句 28 Ⅲ Exercises 29 1. ________ he attended the meeting or not wasn’t quite clear. 2. ________ team will win the match is still unknown. 3. __________ comes to the activity will receive a present. 4. ________ he figured out a way to solve the problem successfully surprised us all. 5. We usually think ________ we can’t get seems better than what we have. Whether Which Whoever That what The subject clause: Instant Practice 即学即练 30 6. _________ we do is to serve the people. 7. _________ they will come hasn’t been made public. 8. _________ surprised me most was _________ the little boy did so well in the competition. 9. It is _________ (report) that the river has become clear and clean. Whatever When What that reported 即学即练 The subject clause: Instant Practice 31 1. That my parents wanted to know was my performance at school. 2. It is reported when China has successfully sent Chang’e 5 into space. 3. If he can finish his task on time is of great importance. 4. Who leaves the room last ought to turn off the lights. 5. That matters most in learning English is enough practice. What that Whether Whoever What The subject clause: Instant Practice 32 1. ________ he will succeed is certain. 2. ________ he will go there is still a mystery.But I will go there by bike. 3. ________ he said is not true. 4. ____________________________ he hid the money is to be found out. 5. ________will be chosen our new monitor is still unknown. 6. It is by no means clear_____ the president can do to end the strike. 7. It remains to be seen __________ the newly formed committee's policy can be put into practice. 8. _______ you need is a great teacher who lets you make mistakes. 1. Fill the blanks with the right conjunctions. That How What Where/When/How/Why Who whether/if what What 1. 你做的任何事都是正确的。 ____________________________________________________ 2. 手表属于谁是未知的。 ____________________________________________________ 3. 我们需要的是时间。 ____________________________________________________ 4. 大家相信善行会带给我们好运。 ____________________________________________________ 2. Translate the sentences. Whatever you did was right. Whom the watch belongs to is unknown. What we need is time. It is believed that good deeds will bring us fortune. 3. Complete the sentences. 1. _______________________________________________(为什么恐龙突然消失) still remains a mystery. 2. _____________________________________________________(你和同学相处是否融洽)will affect you mood. 3.The traveler lost his way in the woods, and (令事情更糟糕的是天快黑了)______________________________________________________________. 4. ________________________ (很奇怪)the man should have stuck to his silly ideas. Why dinosaurs suddenly disappeared Whether you get on well with your classmates what made things worse was that it was getting dark It is strange that Ⅳ Homework Finish Using Structures on page 90 of the Workbook. 36 1. ________ he will succeed is certain. 2. ________ he will go there is still a mystery. 3. ________ he said is not true. 4.________ will happen to the world is difficult to predict. 5.___________ we will go camping tomorrow depends on the weather. 6._______ will take the place of our original headmaster hasn’t been decided yet. 7._______ he gave up the chance of studying abroad is unknown. 8.________ we will have the picnic next week is being discussed. 9. ____________________________ he hid the money is to be found out. 10. ________will be chosen our new monitor is still unknown. 11. It is by no means clear_____ the president can do to end the strike. 12. It remains to be seen __________ the newly formed committee's policy can be put into practice. 13. _______ you need is a great teacher who lets you make mistakes. 1. Fill the blanks with the right words. That Whether What Where/When/How/Why Who whether what What What Whether Who Why When/Where 1.[2020.全国Ⅱ卷] It’s been reported __________76% employees in some western countries are using emojis at work. 2. (2019全国卷Ⅰ)While they are rare north of 88°，there is evidence ________ they range all the way across the Arctic, and as far south as James Bay in Canada. 3. (2018全国卷Ⅲ)I’m not sure ________ is more frightened, me or the female gorilla(大猩猩) that suddenly appears out of nowhere. 4. [2020.江苏卷] It is not a problem ________ we can win the battle; it’s just a matter of time. 5. [2019.全国Ⅰ卷] _______ you need is a great teacher who lets you make mistakes. 6. (2020全国新高考I）Write a poem about ________ courage, determination, and strength have helped you face challenges in your life. 7. (2020·北京)So the next time I see that person I also see the name on his or her face, and that is _________I never forget a name. that whether What how Consolidation: that who why 1. __________________ (据报道) the murderer was shot to death on the scene. 2. What doctors doubt is ________________________ (是否会苏醒过来) from this serious disease or not. 3. ________________________________________(袁隆平院士的去世) made the whole country depressed. 4. There is still a great chance_______________________________(我们能够弥补失去的时间).  5. Some experts demanded strongly that children _____________________________（offer）for sleep and play.(给与足够的时间) 6. The reason why he has a heart attack is ______________________ (一直工作)the whole day without a rest. It is reported that That Dr. Yuan Longping passed away Consolidation: whether he could recover should be offered enough time that he has been working that we could make up for the lost time It was reported ______ there was an accident at the corner of Roman Street this morning. No one saw ______ on earth happened then. A car ran into a truck but fortunately, nobody got injured. ______ is responsible for the accident is still under investigation. The police are uncertain about ______ the driver is guilty. ______the police should do now is ______they must find out what led to the accident. They said it was difficult for them to judge because ______ the accident happened was not clear. Perhaps the reason was ______ the driver was too tired to stop the car in time. The driver didn't admit the fact ______ he was driving too fast at the turning. The police doubted ________ what he said was true and decided to make a further investigation. Consolidation: that what Who whether What that how that that whether Thanks Thanks 42 $$