名词性从句 名词性从句： 主语从句、宾语从句、表语从句、同位语从句 一.连词: "that". 无词义，不充当任何成分，在宾语从句中有时可以省略，但以下几种情况不能省略，一是作介词宾语，二是主句谓语动词后接两个或两个以上的宾语从句时，三是被分隔开的宾语从句 "whether/if","是否' ①作介词宾语，②与or not连用时,③在主语从句、表语从句、同位语从句中只用“whether”. (句首） 连接代词：who(ever), whom(ever), whose(ever), which(ever), what(ever) 主、表、宾 宾 定 主、表、宾 主、表、宾 连接副词：when, where, why, how作状语 how many, how much 二．主语从句 常用it作形式主语的几种句型 It+系动词+n+that/wh-从句 It is a fact/honour/idea/mystery/news/pity/pleasure/shame/wonder+that... 2. It+系动词+形容词+that/wh-从句 It is clear/certain/important/likely/necessary/natural/obvious/right/strange+... It+ 系动词+过去分词+that从句 It is announced/advised/believed/considered/decided/hoped/said/known/proved+... It+特殊动词+that从句 It appears/happens/matters/seems/occurs+... 三．宾语从句 动词find, feel, think, consider, make, believe, guess, suppose,assume等后有宾语补足语时，则要用it作形式宾语，而将宾语从句后置. hate, like, take, owe, have（声称，据传），take for granted等表“喜欢；痛恨；认为”的动词或动词短语和see to表“注意，留意”后有宾语从句，先用it作形式宾语. 否定转移，当主句谓语动词是think, suppose, believe, expect, imagine, fancy等时，从句的否定要转移到主句上来. 表语从句 可以用because, as if, as though引导，as if/as though引导得表语从句常跟在特定动词后，如seem, appear, look, taste, sound, feel等. 当主句的主语是reason时，表语从句用that引导.“The reason why...is that... 五．同位语从句 1. 后跟同位语从句的多是一些含义比较抽象的名词：fact, hope, idea, information,news,problem, possibility, promise, suggestion, truth, word, notice, belief, order等. 2. 定语从句与同位语从句的区别：定语从句是对先行词的修饰或限制. 同位语从句是对从句前面的抽象名词作进一步的说明和解释. ① The news that our team has won the game was true.（同位语从句） ② The news that he told me yesterday was true.（定语从句） ③ I made a promise that if anyone set me free I would make him very rich.（同位语从句） ④ The mother made a promise that pleased all her children.（定语从句） 名词性从句练习题 It is obvious to the students _____ they should get well prepared for their future. Let me know _____ or not you can come. We are interested in _____ you will attend the meeting. _____ the college will take in more new students this year is true. _____ I mean is that you need to keep a diet while you are working out. I believe(that) you’ve done your best and _____ things will improve. They share little in common except _____ they are from the same country. It never occurred to me _____ you could succeed in persuading him to change his mind. - Is there any possibility _____you could pick me up at the airport - No problem. It is still a mystery _____ the thief entered the room. It is said _____ Mr.Black has arrived in Beijing. It happened _____ I was out when she called. I don’t think (that) my mother can agree to buy a new mobil ... ...
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