主从同位语从句ppt课件.ppt
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1、Noun clauses as the subject,主语从句,1. Whose watch was lost is unknown. 2. Whatever you did is right. 3. That he finished writing the composition in such a short time surprised us all. 4. Whom we must study for is a question of great importance.,主语从句 (Subject Clause),如果一个句子在复合句中充当一个主语, 那么这个句子就是主语从句。,主语
2、从句的连接词,1. That he will win is certain. 2. Whether hell join us in the discussion is of great importance.,1).连接词: that, whether,What India needs is a law to make land ownership fairer. 2. Whoever goes there must get ready by 6 oclock.,2).连接代词: who, whom, whose, what, which, whoever, whatever, whichev
3、er,3).连接副词: when, where, how, why,How we can protect the environment needs to be discussed. 2. Why he came here is not known. How many people died from starvation that year will never be known.,2.注意点,1)主语从句一律用陈述句语序。,2)连接词that没有意义,但不能省略,That he will not come to the meeting this evening is true.,3) 引导
4、主语从句用whether, 不用if. _his dream of going to college will come true is uncertain. A. That B. Whether C. If D. Even if,B,It remains to be seen whether his dream will come true.,4) whoever, whatever, whichever引导名词性从句和让步状语从句; 但no matter who/ what/which 引导让步状语从句。,Whoever breaks the school rules must be pu
5、nished.,Whoever breaks the school rules, he must be punished. =No matter who breaks the school rules, he must be punished.,5) 为了防止句子头重脚轻,通常把形式主语it 放在主语位置,真正的主语后置。,a) It + be +形容词+ that从句,It is likely that you are late. It is quite clear/obvious that he is telling a lie.,注:当形容词为surprising, strange, n
6、atural, necessary, important等时,that从句中谓语动词常用虚拟语气。,It is strange that the man should have stuck to his silly ideas.,It + be +said/ believed/ reported that It has been found/proved/pointed out that,It is said that he has gone to Shanghai. It is well known that Indians were the earliest settlers in the
7、 Americas.,如出现I drop caps动词,从句中用虚拟语气。 It is suggested that we (should) take a chance.,It + seems/happens/appears that It doesnt matter whether It makes no difference whether.,It turned out that the picture has been hung upside down. It happened that this type of air-conditioner had been sold out.,It
8、 is a pity that we wont be able to go to the south to spend our summer vacation. 2. It is still a mystery what caused the accident.,d) It + be+名词+ that从句,1. _makes this shop different is that it offers more personal services. A. What B. Who C. Whatever D. Whoever,练习,2. _in the regulations that you s
9、hould not tell people the passport of your e-mail account. A. What it required B. What requires C. It is required D. It requires,3. It is pretty well understood _ controls the flow of the atmosphere . A. that B. when C. what D. how,4. _ made the school proud was _ more than 90% of the students had b
10、een admitted to key universities. A. What; because B. What; that C. That; what D. That; because,5. It now appears _ they are in need of help. A. that B. which C. what D. how,6. _ knows the truth will tell you about it. A. Who that B. Whoever C. Whom that D. That who,7. It is good news _ they will ar
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