疑问词引导的名词性从句及it用法.ppt

说说 明明 名词性从句及名词性从句及it的用法是高中阶段比较重的用法是高中阶段比较重要的语法知识，其用法也比较复杂，就一要的语法知识，其用法也比较复杂，就一节课的讲授是不够的本节课主要根据牛节课的讲授是不够的本节课主要根据牛津教材的编排体系进行课本知识的梳理和津教材的编排体系进行课本知识的梳理和适当补充，以帮助同学们更好地了解和掌适当补充，以帮助同学们更好地了解和掌握名词性从句的相关用法握名词性从句的相关用法本节课流程本节课流程Revision →Explanations →ExercisesStep 1 Revision Go over what we have learnt about Noun clauses in Unit 1Revision Unit 1中所学内容中所学内容a、名词性从句的概念、类型及其用法、名词性从句的概念、类型及其用法b、名词性从句中、名词性从句中what、、that、、if和和whether等连词的用法等连词的用法在复合句中起名词作用的从句叫名词性从在复合句中起名词作用的从句叫名词性从句句(Noun Clauses)。

名词性从句的功能相名词性从句的功能相当于名词或名词词组当于名词或名词词组, , 它在复合句中能担它在复合句中能担任主语、宾语、表语、同位语、介词宾语任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，等，因此根据它在句中不同的语法功能，名词性从句又可分别称为主语从句、宾语名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句从句、表语从句和同位语从句•1.When we will start is not clear.•2.Mrs Black won’t believe that her son has become a thief.•3. My idea is that we should do it right now.•4.I had no idea that you were her friend.主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句名词性从句中名词性从句中what、、that、、if、、whether等连接词的用法等连接词的用法(1) that 和和what 的用法的用法that 和和 what 都可引导所有的名词性都可引导所有的名词性从句。

但是，从句但是，what除起连接作用外，除起连接作用外，还在名词性从句中充当成分，可作从还在名词性从句中充当成分，可作从句的主语、宾语、或表语而句的主语、宾语、或表语而that在在名词性从句中不充当任何成分，只起名词性从句中不充当任何成分，只起连接作用连接作用that / what1. ______ he wants is a book.2. ______ he wants to go there is obvious.3. The result is ______ we won the game.4. This is _____ we want to know.5. Is _____ he told us true?6. We should pay attention to ______ the 　　teacher is saying.7. I have no doubt _____ he will come.8. I have no idea ____ he did that afternoon.WhatThatthatwhatwhatwhatthatwhat2. if/whether 引导引导 如果宾语从句为如果宾语从句为一般疑问句一般疑问句时时,用用if或或whether来引导来引导e.g. I wonder if/whether he will come on time.★★ if 和和whether 的选用的选用1)从句是一般疑问句作动词的宾语从句是一般疑问句作动词的宾语,二者都可用二者都可用;2)Whether …or not搭配搭配,不能用不能用if;3)主语从句不能用主语从句不能用if;4)表语从句与同位语从句也不能用表语从句与同位语从句也不能用if;5)修饰介词的宾语从句也不能用修饰介词的宾语从句也不能用if;6)连词后直接加不定式连词后直接加不定式to do, 连词不能选用连词不能选用if. if / whether1. I asked her __________ she had a bike.2.________ we will hold a party in the open air tomorrow depends on the weather.3. We’re worried about ________ he is safe.4. I don’t know ________ or not he is well.5. The question is _________ he should do it.6.The doctor can hardly answer the question ________ the old man will recover soon.7. I don’t know _________ to go.if / whetherWhetherwhetherwhetherwhetherwhetherwhetherpromisedifficultyunknowndisagreestandardsetvt. & vi. 许诺许诺,答应答应n. 许诺许诺,诺言诺言n. 困难困难adj. 不知道的不知道的,未知的未知的vi. 意见不一意见不一,分歧分歧;不一致不一致n. 标准标准 adj. 标准的标准的 vt. 确定确定(标准等标准等), 制定制定(规则等规则等)Words previewphrasedepartmentbanpurespreadeasilyn. 词组词组,短语短语n. 部门部门vt. 禁止禁止;取缔取缔adj. 纯的纯的,纯洁的纯洁的n. vt. & vi. 传播传播adv. 容易地容易地,不费力地不费力地Words previewaccessacrossraciallook upcare aboutvt. 接近接近,使用使用n. 接近的机会接近的机会,享用权享用权prep. 在在……各处各处,遍及遍及adj. 种族的种族的(在字典或参考书中在字典或参考书中)查找查找关注关注,关心关心;在意在意;担心担心Words and expressions previewStep 2 Explanations Noun clauses introduced by question words 1. Join each pair of sentencesa. Where does a person come from?b. This will affect their style of speech.Where a person comes from will affect their style of speech.1. Join each pair of sentences a. Why does English have such strange rules? b. You can begin to see it!You can begin to see why Englishhas such strange rules!1. Join each pair of sentences a. Why is English a language with so many confusing rules? b. That is the reason.That is why English is a languagewith so many confusing rules. 2. We use a question word to introduce a noun clause when the clause is a wh-question. The clause can function as the subject, object or predicative of the sentence.That is why English is a language with so many confusing rules. (predicative)Where a person comes from will affect their style of speech. (subject)You can begin to see why Englishhas such strange rules! (object)Decide what sentence element each underlined noun clause is in its sentence. (P28)I always wondered when I would get the English novel my parents had promised to give me. I finally got it today. The book is called Treasure Island. What I always dreamt of has come true. OS It is really exciting! The difficulty is how I’m going to understand it without a dictionary. Looking up every new word will certainly be a waste of time. Now I’m worried about when I’m going to finish the book. Miss Cheng always told us to guess the meanings of unknown words from the context. I used to wonder why we should do this. ①①I understand now, but the question is what if I still cannot understand the meanings. I must talk to Miss Cheng about this tomorrow.POOP3.其它连接代词和副词的使用其它连接代词和副词的使用 名词性从句中疑问词的选择主要根名词性从句中疑问词的选择主要根据名词性从句中的据名词性从句中的具体意义具体意义，正确的，正确的选择选择 who, which, when, where, why, how 等连接词，这些连接词既具有疑等连接词，这些连接词既具有疑问含义，又起连接作用，同时在从句问含义，又起连接作用，同时在从句中充当各种成分。

中充当各种成分我们何时举行运动会还没有决定我们何时举行运动会还没有决定 we shall hold our sports meeting is not decided.我不知道昨天谁打破了玻璃我不知道昨天谁打破了玻璃I don’t know ________ broke the glass yesterday.我不知道他长的什么样子我不知道他长的什么样子I have no idea _________ he looks like.这就是我忘记眼镜的地方这就是我忘记眼镜的地方This is _________ I left my glasses.WhenwhowhatwhereFill in the blanks with suitable question words. (P29)‘Borrowed words’ — good or bad?Languages keep borrowing words from other languages. This is one of the reasons _____ languages keep changing almostevery day. ②②______ we should do about the increasing number of ‘borrowed words’ in our vocabulary is something peopledisagree about. In England today, there is no one to decide ______ new words should be included in the language. whyWhatwhichA standard was first set for the English language when Henry Ⅶ was King of England. That is _________ we have the phrase ‘the King’s English’. King Henry Ⅶ was a poet and a man who cared about language. He set a standard for _____ people were to speak English, but ______ can make a decision like that today is anyone’s guess! However, there is a department to make decisions like this in France. ______ French will be used is decided by a government department. how/whyhowwhoHowAt one time the department banned some ‘borrowed words’ from English, including ‘weekend’ and ‘e-mail’. French people did this because they wanted to keep their language pure.③③Today, the spread of ‘borrowed words’ is due to easily accessed television and radio programmes from across the world, and the Internet. Some people feel that this spread is good, and others feel it makes languages less special. ______ group you agree with is for you to decide.Which 1. why 2. What 3. which 4. how/why 5. how 6. who 7. How 8. WhichB on Page 29. We change the word order in a clause after a question word into that of a statement. （（语序语序））What are people from the northsaying? People from the southfind it difficult to understand.People from the south find itdifficult to understand what peoplefrom the north are saying.语序问题语序问题1.The photographs will show you ______. 　　　　　　 　　　　　　　　　　　　　　　　 A. what does our village look like B. what our village looks like C. how does our village look like D. how our village looks like 2.You can hardly imagine ___when he heard the news. A. how he was excited B. how was he excited C. how excited he was D. he was how excited3.He asked_______for a violin.（（MET92）） A. did I pay how much B. I paid how much C. how much did I pay D. how much I paid BCD 4. We cannot leave out the question words in noun clauses in any cases.其它连接代词和副词的使用其它连接代词和副词的使用 名词性从句中疑问词的选择主要根名词性从句中疑问词的选择主要根据名词性从句中的据名词性从句中的具体意义具体意义，正确的，正确的选择选择 who, which, when, where, why, how 等连接词，这些连接词既具有疑等连接词，这些连接词既具有疑问含义，又起连接作用，同时在从句问含义，又起连接作用，同时在从句中充当各种成分。

中充当各种成分Exercises on your paper Keys：：CCCCBD DCBBBAPhrases:1 答应做某事答应做某事2 梦想得到梦想得到……3 实现实现4 查生词查生词5 浪费时间浪费时间6 从上下文揣测词义从上下文揣测词义7 倘若倘若……怎么样怎么样?promise to do sth. dream of… come true look up new words a waste of timeguess the meanings of words from the contextWhat if…?What if they do not come?What if it rains tomorrow?8. 外来词外来词9. 确定确定……的标准的标准10. 关注语言的人关注语言的人11. 作出决定作出决定12. 曾经曾经;一度一度13. 禁止某人做某事禁止某人做某事14. 容易收看容易收看/听的节目听的节目 borrowed words set a standard for… care about language make a decision at one time ban sb. from doing sth. easily accessed television and radio programmes下节课授课内容：下节课授课内容：一、名词性从句连接词的选用；一、名词性从句连接词的选用；一、名词性从句连接词的选用；一、名词性从句连接词的选用；二、同位语从句与定语从句的区别；二、同位语从句与定语从句的区别；二、同位语从句与定语从句的区别；二、同位语从句与定语从句的区别；三、名词性从句中的时态、主谓一致、虚拟语气等；三、名词性从句中的时态、主谓一致、虚拟语气等；三、名词性从句中的时态、主谓一致、虚拟语气等；三、名词性从句中的时态、主谓一致、虚拟语气等；四、名词性从句中的需要注意的几个现象；四、名词性从句中的需要注意的几个现象；四、名词性从句中的需要注意的几个现象；四、名词性从句中的需要注意的几个现象；五、五、五、五、itititit的具体用法。

的具体用法的具体用法的具体用法Step 2: Empty subject it In fact, it is certain that we would not be able to understand it if we heard it today.Empty subjectA noun clause as the subject of a sentenceThe empty subject it is often used to balance the sentence with a long subject. The empty subject it acts as its grammatical subjectand the real subject is at the end of the sentence. It is important for us to learn English well today. It is important that we should learn English well today. It is no use wasting your time reading such books all day. empty subject It is important that we should learn English well today.It is no use wasting your time reading such books all day.It is important for us to learn English well today.when we use a noun clause as the subject of a sentencewhen the subject is a to-infinitivewhen the subject is a v-ing formHe appears to be proud of his daughter. It appears that he is proud of his daughter. She turns out to be my cousin. It turns out that she is my cousin.It can also be used before seem, appear, happen, chance, turn out and prove as the empty subject of a sentence.①It’s no good _____ such a thing. ②It’s of no importance _____ such a thing. •A. do B. to do C. doing D. done it在强调句型中在强调句型中 (人人 主语主语) + who/that(人人 宾语宾语) + whom/that (其他其他) + that It is/was +被强调部分被强调部分句子的句子的其他部其他部分分 It was this morning that I saw John on my way to school.It was his best suit that John wore to the dance last night.Ex:把把下列句子改为强调句：下列句子改为强调句：1. I didn’t receive my letter until yesterday?2. Did it happen in 1980?3. Why does everyone think I’m narrow-minded ?1. I didn’t receive my letter until yesterday?It wasn’t until yesterday that I received my letter.2. Did it happen in 1980? Was it in 1980 that it happened ? 3. Why does everyone think I’m narrow-minded ? Why was it that everyone thinks I’m narrow-minded ?Finish Part A on page 31. Answers (2) It depends upon what you see and hear to decide what they are. (3) It always puzzles me why my dog barks in certain ways. (4) It won’t be difficult buying a machine like this. Finish Part B on page 31. Answers 2. It is because there are several racial groups living in Singapore that Singapore has four official languages.3. It is for you that I’ve brought something special from Singapore. 4. It will be sometime next week that I’ll give it to you. 巩固练习巩固练习(创新课时训练创新课时训练 P36)CDAACA BAABAB下节课授课内容：下节课授课内容：名词性从句考点归纳名词性从句考点归纳一、名词性从句连接词的选用；一、名词性从句连接词的选用；一、名词性从句连接词的选用；一、名词性从句连接词的选用；二、同位语从句与定语从句的区别；二、同位语从句与定语从句的区别；二、同位语从句与定语从句的区别；二、同位语从句与定语从句的区别；三、名词性从句中的时态、语序、虚拟语气等；三、名词性从句中的时态、语序、虚拟语气等；三、名词性从句中的时态、语序、虚拟语气等；三、名词性从句中的时态、语序、虚拟语气等；四、名词性从句中的需要注意的几个现象；四、名词性从句中的需要注意的几个现象；四、名词性从句中的需要注意的几个现象；四、名词性从句中的需要注意的几个现象；五、五、五、五、itititit的具体用法。

的具体用法的具体用法的具体用法。