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1、Welcome to our class,Grammar and usage -Noun Clauses 名词性从句,名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此，名词性从句可分为主语从句、表语从句 、宾语从句和同位语从句。,1.When we will start is not clear. 2. She wont 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.
2、,主语从句,宾语从句,表语从句,同位语从句,I 名词性从句的种类,主语从句一般有三种结构：,1. 主语从句+谓语,That she will win the match is certain.,2.It+be+形容词（名词词组、过去分词）+that从句,It is important that we teens should learn English.,It is good news that he will attend the meeting on behalf of our school.,It is said that our school will hold a sports me
3、eting,3. It +seem (happen，appear等不及物动词)+that从句,It seems that Katy is not coming to this party.,宾语从句的结构,主句 + 连接词(引导词) + 宾语从句,在句子中起宾语作用的句子叫宾语从句，宾语从句 放在及物动词或介词之后作宾语。,I dont know why he is always late for school.,We all agree with what you said at the meeting.,宾语从句,表语从句 表语从句位于连系动词后,有时用as if引导。 其基本结构为:主语
4、 + 系动词 + that从句。 1. be, look, remain, 等系动词后均可跟表语从句： My suggestion is that we should go shopping. 2. as if 也可引导表语从句。 It looks as if its going to rain.,3.the reason why is that 和It is because 等结构。,It was because I got up late.,同位语从句 同位语从句在句中作同位语，它一般要放在主 句中某些名词的后面，说明这些名词的含义。可跟 同位语从句的名词主要有： fact, news,
5、promise, reason, idea, hope, word, belief等。 Beijing ,the capital of China, is my hometown. We heard the news that our team had won. We were happy to hear the news that was announced by our boss.,定语从句,同位语从句,同位语短语,1. (2008山东)_ was most important to her was her family. A. it B. this C. What D. as 2. (2
6、009北京，31）At first he hated the new job but decided to give himself a few months to see _it got any better. A.When B. how C. why D. if 3. (2006全国I,23）See the flags on top of the building? That was _ we did this morning. A. When B. which C. where D. what 4. (2009浙江，12）Is there any possibility _ you co
7、uld pick me up at the airport? -No problem. A. When B. that C. whether D. what,主语从句,宾语从句,表语从句,同位语从句,I. 名词性从句的引导词：,连接词 ：that、if、whether,无意义,2. 连接代词 ：who、 whom 、whose、 what、 which,3. 连接副词： when、 where、why、how,“是否”,作主/宾/表,注意: 区别if 与whether,1. I dont know _ Ill be free tomorrow. 2. I dont know _ or not
8、Ill be free tomorrow. 3. The question is _ this book is worth writing.,whether / if,whether,whether,5. It depends on _ we will have enough money. 6. _ they can do it matters little to us. 7. _ you are not free tomorrow, Ill go without you.,whether,Whether,If,请你归纳,a. 主语从句并在句首 b. 表语从句 c. 同位语从句 e. 介词后的
9、宾语从句 f. 直接加动词不定式只能用whether （to do） g whether or not 直接连用时不用if,只能使用whether 的情况：,请你归纳,If 表-是否-常用于动词后的宾语从句,1. _ the 2000 Olympic Games will be held in Beijing is not known yet. A. Whenever B. If C.Whether D. That 2. _ well go camping tomorrow depends on the weather. A. If B. Whether C. That D. Where,高考
10、题选萃,that 表肯定意义 whether表疑问,There is no doubt_ he will win the first place .,that,that 与 what 的区别,What he said makes me happy. That a new teacher will come is true .,that 只起连接作用，无意义，在从句中不充当任 何成分, 且在宾语从句中有时可省（动词后）。 what 既起连接作用, 又在从句中作 主语, 宾语, 表 语 (且在名词性从句中只有what可作表语）,3,1. _ he said so made us angry . _
11、 he said at the meeting made us angry. 2. A computer can only do_ you have instructed it to do. （01全国） 3. 中国不再是过去的样子了。 4. A modern city has been set up in _ was a wasteland ten years ago. （04天津） A. what B. which C. that D. where,That,What,China is no longer _ it used to be .,what,what,1. That he wil
12、l succeed is certain . 2. Whether he will go there is not known . 3. What he said is not true . 4. Where he hid the money is to be found out . 5. Whoever comes is welcome.,Subject Clause,主语从句,请思考？,注意点,1).主语从句一律用陈述句语序,即主语在前,谓语在后. 例: 误: When will he come is not known.,2).连接词that在从句中无实际意义,但不能省略. 例: 误:
13、He will not come to the meeting this evening is true.,正: When he will come is not known.,正: That he will not come to the meeting this evening is true.,除了动词后的宾从,3).whoever, whatever, whichever等词可以引导主语从句, 但no matter who, no matter what 等不能.,Whoever breaks the school rules must be punished.,试比较：Whoever
14、 breaks the schools rules, he must be punished. No matter who breaks the school rules, he must be punished.,让步状语从句,主语从句,1._ was said here must be kept secret. 2._ we need is more time. 3._ has taken away my bag is unknown. 4._ breaks the law will be punished.,Whatever,What,Who,Whoever,Anyone who,1.他
15、犯了那样一个错误真是遗憾。 _ is a pity . 2.他来不来不重要。 _doesnt matter.,It doesnt matter whether,That he made such a mistake,It is a pity that,考点 ：it作形式主语(主从) , 形式宾语（宾从）,it 作形式主语,Whether he will come or not,It is reported/ thought/said/predicted that It is clear/necessary/certain that It is a pity/a shame/an honor that It doesnt matter whether It seems/appears that It happens that,Can you understand them?,1._ he wants is a book. 2. _ he
