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1、高中英语名词性从句 1.名词性从句的判断 2.名词性从句的连接词：九字真言“划从句，析成分，定连接” 3.需要注意的若干点 一.名词性从句的判断 名词性从句的类型包括主语从句、宾语从句、表语从句、同位语从句 判断下列从句的类型，用划出从句部分 1.Whether he will go there is not known . 2.Whoever comes is welcome. 3.Our success depends on how well we can cooperate with one another. 4.No one can be sure whether the earth
2、will exist in a million years. 5.You may do whatever you like to （do）. 6.The reason for his absence was that he was ill in hospital 7.It is because you are too serious. 8.He looked as if he was going to cry . 9.The news that Tom would go abroad is told by him. 10.There is some doubt whether he will
3、win 11.I cant stand the terrible noise that she is crying loudly. 12.What is worth doing is worth doing well. 13.It s known to all that the earth is round. 14.He suggested that they should make a trip to Hong Kong next year. 15.I hate it when people speak with their mouths full. 二、名词性从句的连接词 一般规律： 针对
4、从句成分，如果作的是主语、宾语、表语的话，这个词就是连接代词；如果作的是各种状语，就叫连接副词； 如果不作任何成分，就叫从属连词。语序必须是陈述语序。如下表： 从属连词that, if, whether 引导名词性从句 的连接词连接代词who, whom, what, whose, which, whichever, whatever, whoever 连接副词when, where, how, why ，as if, because *重要表格： 类型连接词考点 主语从句1.从属连词 :that, whether/if 2.疑问代词 :what, which, who, whom, whos
5、e 3.疑问副词 :when, where, why, how 4. 复 合 关 系 代 词 :whatever, whichever, whoever, whomever ，whosever 1.为了避免主语冗长,句子头重脚轻 ,经常用 it 作形式主语 , 主语从句放在后面作真正的主语.连接代词what, whoever, whatever, whichever等引导的主语从句不宜用it 作形式主语。 Whatever was said here has left us much to think. 固定句型： (1) It be 名词 (a fact, good news, a ques
6、tion, common sense, a pity , a wonder ,a good thing ,a surprise,an honor ,a miracle ,a secret ,common knowledge) 从句 (2) It be+形容词 (natural, strange, possible, true, necessary ,obvious ,wonderful, unusual ,surprising ,certain ,worthwhile ) 从句 (3) It 不 及 物 动 词从 句It seems that 似乎 It happened that碰 巧 It
7、 appears that似 乎 It turns out that可见It follows that 由此可见.It occurs to sb. that =It strikes sb. that . 某人突然想到 (4) It +be 过去分词 从句 It is reported that 报道 It has been proved that已证实 It is said that据说 It is known to all that 据大家所知 It is expected that据预期 It is believed that大家相信 It is thought that 大家认为 It
8、is suggested that大家建议 It is found that大家发现 2. 从句作主语，谓语动词一般用单数 What引导的主语从句，可根据表语决定 What he needs that book. What he needs _ some books. 宾语从句1.从属连词 :that, whether, if 2.疑问代词 :what, which, who, whom, whose 3.疑问副词 :when, where, why, how 4. 复 合 关 系 代 词 :whatever, whichever, whoever, whomever ，whosever 1.
9、引导宾语从句的that 在下列情况下一般不省略： （ 1）宾语从句前有插入语。 We hope, on the contrary, that he will stay at home with us. （ 2）在介词后。 He has no special fault except that he smokes too much. （ 3）that 在与之并列的另一个宾语从句之后。 He said (that) the book was very interesting and that(不省 略 ) all the children like to read it. （ 4）有间接宾语时。
10、He told me that he was leaving for Japan. （ 5）that 从句单独回答问题时。 What did he hear? 他听说了什么事？ That Kate had passed the exam. （ 6）在“ it(形式宾语 )+补语”之后时。 I think it necessary that he should stay here. （ 7）位于句首时。如： That our team will win, I believe. 2.注意时态的呼应：主过从过，主现从实（客观 真理、格言谚语除外） ?I know he lived here ten
11、years ago . 3.宾语从句的语序用陈述语序 4.否定的转移:若主语谓语动词为think, consider, suppose, believe, expect, imagine 等,其后的宾语从句若含 有否定意义,一般要把否定词转移到主句谓语上,从句谓 语用肯定式。 I don t think he is bright, is he?（思考： 反义问句如何变？） 5.It 作为形式宾语而真正的宾语从句则放在句尾, like/love/hate/appreciate/help/look/depend on/see to/ count on/rely on + it + when/if/
12、that clause I really appreciate it when our headmaster talks with the guests in French. 介词 +it+that 宾从 We will depend on it that the weather is fine. Sb.+ think/find/make + it +adj./n.+that clause He makes it clear that he will agree with us. 6. 插入语疑问句： 疑问词 +简短疑问句 （do you think,do you believe,do you
13、 suppose,do you imagine） +陈 述语序的句子？ How long did she say_ in Shanghai? A. that she would stay B. would she stay C. would stay D. she would stay 7. 宾语从句的替代 在 hope， believe， imagine ， suppose ， guess ，think 和 I m afraid后可以用so 代替宾从， 否定形式有两种： 1) 可用动词的否定形式（hope 和 be afraid除外） 。2） not 代替 so -Do you think
14、we will have good weather? -_ A.I am not afraid so B. I dont hope so C. Im afraid not. D.I believe it. 表语从句一般结构是“主语+系动词 +表语从句 ” 。可 以接表语从句的系动词有be, look, remain, seem 等。另外 ,常用的还有the reason why is that 和 It is because 等结构。 从属连词： that / whether /as if /as though 连接代词： who / whom / whose / which / what 连
15、接副词：when / where / why / how / because 1.在表语从句中，表“是否”时，只能用“whether ”不 能用“ If ”。 2. “that ”不能省。 3.It is /was because+原因 It is /was why+ 结果 4. The reason (why /for )is /was that. 5.The reason is that 同位语从句1.通常为：抽象名词+连接词（多为that） + 从句 2.部分可为：连接副词when / where/why / how / whether 3.在 have no idea 之后常用wh-引
16、导同位语 从句 . I have no idea what he did. 同位语从句和定语从句的区别： 1 同位语从句 that 只起连接作用，不作任何成分 定语从句 that 是关系代词，起连接作用和充 当宾语和主语 2 同位语从句 同位语从句和前面的名词是同位关系， 对名词进行补充说明 定语从句定从和前面的名词是所属关系，对名 词进行修饰，加以限定 3 同位语从句 that 不能省 定语从句that 在从句中作宾语时，可以省 判断下列句子是定从还是同位语从句 1.They expressed the hope that they would come to visit China again. 2. The hope that she expressed is that they would come to visit China again. 3.The fact that she
