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1、在句子中起在句子中起名词作用名词作用的句子叫名词性从句的句子叫名词性从句 (Noun Clauses）。）。 名词性从句名词性从句的功能相当于的功能相当于名词名词, 可作主句的可作主句的主语、宾语、表语、同位主语、宾语、表语、同位语语、，因此、，因此可分为可分为 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。1.What he wants to tell us is not clear 2.That she didnt die is a miracle.3. Whether she is coming doesnt matter1.The fact is
2、that we have lost the game.2.That is what I want. 3.That is why he didnt come to the meeting. 4.The reason was that he missed the train . 1.We wonder whether he will go to Shanghai 2. I insist that she (should) do her work alone 3. I want to know what he has told you.4.I am not afraid of what you sa
3、id. (1) I am sure that you looked beautiful that evening. (2) We were not surprised that he returned three days later than expected.(3) Everyone was afraid that someone might find out that he could see nothing.3、用作某些、用作某些形容词形容词的宾语从句：的宾语从句：这类形容词常见的有这类形容词常见的有sure, certain, glad, pleased, happy, afraid
4、, surprised, satisfied等。等。同位语从句位于位于fact, idea, news , promise后面，说明它的后面，说明它的内容。内容。 1. I made a promise that I would go to see him every Sunday.2. The news that our team has won is true.二、请找出下列句子的引导词，从句，并判断是何种从句。二、请找出下列句子的引导词，从句，并判断是何种从句。1. What he wanted is the truth. 2. Mrs. Black wont believe that
5、her son has become a thief. 3. My idea is that we should do it right now. 4. The fact that he will come back tomorrow surprises me. 5. He is interested in how I have kept so thin. 6. The question is whether we should ask them for help. 7. Early in the day came the news that Germany had declared war
6、on Russia. 8. Whose plan works more effectively requires consideration. What he wanted主语从句主语从句that her son has becomea thiefthatthat he will come back tomorrowwe should do it right nowhow I have kept so thinwhether we should ask them forhelpthat Germany haddeclared war on RussiaWhose plan works more
7、 effectively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主语从句主语从句isbelieveisinisrequiresfactnews归纳：归纳： 名词性从句的引导词及其作用名词性从句的引导词及其作用 名词性从句的引导词名词性从句的引导词 作用作用 从属连词从属连词 连接代词连接代词 连接副词连接副词 that/whether/ifwhat/who/whom/which/whosewhen/where/why/how不作成分，只不作成分，只起连接作用起连接作用作主语、宾语作主语、宾语表语、定语表语、定语作状语作状语练习：1
8、. _ he has come back is known to all.2. The idea is _ we should go there.3._ he wanted is the truth.4._ impressed me most is that he is humorous.ThatthatWhatWhat归纳引导词1. I want to know _ he will come here tomorrow.2.Do you know _ he arrived in Bejing? I saw him in the street just now3. He explained _
9、 he worked out the problem, so I can learn from him.whetherWhenhow技巧3.4. No one Knows _ will be the next president.who疑问词？疑问词？who谁谁what什么什么which哪个哪个 whose谁的谁的总结：选用引导词的技巧：总结：选用引导词的技巧：1. 根据句子意思选引导词。根据句子意思选引导词。2. 分析从句句子成分：缺什么，填什么分析从句句子成分：缺什么，填什么（1）什么都不缺（不缺成分，不缺意思），填）什么都不缺（不缺成分，不缺意思），填 _ 在在_从句中可省略。从句中可省
10、略。（2）什么都不缺（不缺成分，但缺）什么都不缺（不缺成分，但缺“是否是否”意思），意思），填填 _，_只引导宾语从句。只引导宾语从句。（3）缺主，宾，）缺主，宾， 表表, 填填连接连接_（4）缺状语）缺状语, 填填连接连接_.that单个宾语单个宾语whether/ifif代词：代词：副词：副词：what/who/whom/which/whosewhen/where/why/how五、几组易混引导词的区别五、几组易混引导词的区别(2) whether 和和 if的区别：的区别： (1) (1) 直接与直接与直接与直接与or notor not 连用时，只用连用时，只用连用时，只用连用时，只用
11、whether, whether, 不用不用不用不用if if 。 I dont know whether or not hell come.I dont know whether or not hell come. (2)(2) 介词后面的宾语从句介词后面的宾语从句介词后面的宾语从句介词后面的宾语从句用用用用whether, whether, 不用不用不用不用if.if. Everything depends on whether the situation will improve.Everything depends on whether the situation will impro
12、ve.(2) whether 和和 if的区别：的区别：whether whether 和和和和 if if 引导宾语从句时可以互换使用，引导宾语从句时可以互换使用，引导宾语从句时可以互换使用，引导宾语从句时可以互换使用，但但但但下列情下列情下列情下列情况只用况只用况只用况只用whetherwhether，不用，不用，不用，不用if if。 (3)引导的宾语从句引导的宾语从句放在句首时放在句首时，用用whether, 不用不用if。 Whether he has stolen the money, I dont know. （5 5）引导主语从句和表语从句以及同位语从句用）引导主语从句和表语从
13、句以及同位语从句用）引导主语从句和表语从句以及同位语从句用）引导主语从句和表语从句以及同位语从句用whetherwhether 不用不用不用不用if if 。 WhetherWhether well go depends on the weather. well go depends on the weather. The question is The question is whether whether it is worth doing.it is worth doing. (6) (6) 某些动词，如某些动词，如某些动词，如某些动词，如discussdiscuss等后习惯上只用等后习
14、惯上只用等后习惯上只用等后习惯上只用 whetherwhether引导引导引导引导 宾语从句，不用宾语从句，不用宾语从句，不用宾语从句，不用if.if.We discussed We discussed whetherwhether we should hold a meeting. we should hold a meeting. (4) whether (4) whether 可用可用可用可用在不定式前在不定式前在不定式前在不定式前，if if 则不能则不能则不能则不能.Please tell me Please tell me whetherwhether to go to go or
15、 not.or not.表表“是否是否”，多用，多用whether.表表“假如假如/如果如果”，只能用，只能用if.小窍门小窍门2.用if 或whether 填空1.I dont know _ Ill be free tomorrow.2. I dont know _ or not Ill be free tomorrow.3. The question is _ this book is worth writing.whether/ifwhetherwhether4. I cant decide _to stay.5. I want to know _ its good news or no
16、t. 6. His father is worried about _ he can be admitted to a key college.7. _ they can finish the work on time is still a problem. 8. He came to see _ there was wrong with his cat. whetherwhetherwhetherWhetherwhether/if动词不定式动词不定式宾语从句，与宾语从句，与or not 连用连用句子开头，主语从句句子开头，主语从句宾语从句宾语从句宾语从句，在介词后宾语从句，在介词后总结：表是
17、否总结：表是否1. if 只引导只引导_。2. 在动词不定式之前只能在动词不定式之前只能用_。3. 在在whether or not 的固定搭配中。的固定搭配中。4 在介词后，只在介词后，只能用_。5.句首句首用_。总之，凡表是否，用总之，凡表是否，用_就不会错。就不会错。宾语从句宾语从句whetherwhetherwhetherwhether五、五、 that, what用法区别用法区别1. The trouble is _ he has never done the work before.2. _ the earth is round is true. 3. _ you will do
18、next is none of my business. 4. A modern city has been set up in _ was a wasteland ten years ago.5. Our school is no longer _ it was five years ago.6. And _ qualities does a great person have?thatThat What whatwhatwhat不作成分，没意义不作成分，没意义不作成分，没意义不作成分，没意义作作do的宾语，表的宾语，表“的事的事”作主语，表作主语，表“的物的物作作was的表语，表的表语，表
19、“的物的物作定语，修饰作定语，修饰qualities, 表表“什么什么”总结总结:1. _只起连接作用，不作成分，没意义只起连接作用，不作成分，没意义2. _有两种含义：有两种含义：（1）什么）什么 （2）的人的人/事事/物，在名词性从物，在名词性从句中作主语、宾语、表语或定语。句中作主语、宾语、表语或定语。thatwhat九、名词性从句在写作口语中的运用九、名词性从句在写作口语中的运用1作为一个学生，我们应该做的是努力学习。作为一个学生，我们应该做的是努力学习。 As a student, is to study hard.2. 为什么你认为情节为什么你认为情节(plot)难以相信（难以相信
20、（2012年年听说高考听说高考题题) Why do you think ？（语序）（语序）what we should dothe plot is unbelievable2424 listening &speakingThank you for what you have done for me ! What I want to say is that I love you .You dont know how much I care about you . Every day I want to know where you are ,what you are doing and whet
21、her you are happy. Do you know why I miss you so much ? This is because youre my dearest friend. 1.亲爱的亲爱的XX,谢谢你为我所做得一切。谢谢你为我所做得一切。2.我想说的是：我我想说的是：我爱你，你不知道我有多么的在乎你。爱你，你不知道我有多么的在乎你。 3.每天我都想知道你每天我都想知道你在哪，你正在干什么在哪，你正在干什么,还有你是否开心。还有你是否开心。4.你知道我为什你知道我为什么那么想你吗？么那么想你吗？5.那是因为你是我最爱的那是因为你是我最爱的XX. 1. Grandma poi
22、nt to the hospital and said, “Thats when I was born.”2. “Every time you eat a sweet, drinking green tea.” This is that my mother used to tell me. 3. It sudden occurred to him he had left his keys in the office. 4. It makes the book so extraordinary is the creative imagination of the writer. 5. It do
23、esnt matter if you pay by cash or credit card in this store. 6.When the news came what the war broke out, he decided to served in the army7. He told me he will come back and he would visit me. pointedwhere改错:drinkwhatWhatwhetherthatservewouldsuddenlythatAn Unforgettable Day_1_ made the day unforgett
24、able was 2_ I had very bad luck that day. On that day, 3_ I woke up, I found 4_ it was too late for school. I hurried downstairs and found my bike 5_ was broken was stolen. I had no choice but to run to school. Arriving at school, I could only see three school guards, all of 6_ looked at me in surpr
25、ise. Then they told me the fact 7_ it was Sunday. After I came back home, I found my house broken into, 8_ I left my keys in the door. As a result, I was punished by my parents, 9_ made me unhappy. That is 10_ it was an unforgettable day for me. What that when that which/ that whom that because which why 归纳：归纳： 名词性从句的引导词及其作用名词性从句的引导词及其作用 名词性从句的引导词名词性从句的引导词 作用作用 从属连词从属连词 连接代词连接代词 连接副词连接副词 that/whether/ifwhat/who/whomwhich/whosewhen/where/why/how不作成分，只不作成分，只起连接作用起连接作用作主语、宾语作主语、宾语表语、定语表语、定语作状语作状语
