【高中英语语法】名词性从句.ppt

中世纪，普遍相信地心说(geocentric theory)。 Geocentric theory was wildly believed in the Middle Ages. Geocentric theory: the earth is the center of our planetary system That the earth is the center of our planetary system was wildly believed in the Middle Ages. 2. It 作形式主语和it引导强调句的比较 it 作形式主语为了平衡句子结构，主语从句的连接词没有变化。 it引导的强调句无论强调的是什么成分，都可用连词that。被强调部分指人可用who It is a pity that you didn’t go to see the film. It is in the morning that the murder took place. It doesn’t interest me whether you succeed or not. It is John that broke the window. （3）It happens/occurs…结构中的主语从句不可提前。 It occurred to him that he failed in the examination. That he failed in the examination occurred to him. （4）It doesn’t matter how/whether …结构中的主语从句不可提前。 It doesn’t matter whether he is wrong or not. Whether he is wrong or not doesn’t matter. b). What 可以解释为the thing(s) that, 即“…的东西/事情 ”，而that没有实际的意思，只是一种语法作用，如： What he lost was his newly bought pen. =The thing that he lost was his newly bought pen. 1. 作动词的宾语 (1) 由that引导的宾语从句(that 通常可以省略) I heard that he joined the army. (2) 由what, whether (if) 引导的宾语从句 She did not know what had happened. I wonder whether/if you can change this note for me. 当句末为or not时，引导词只能用whether而不能用if. I don’t know whether it is going to rain or not. (3) 动词＋间接宾语＋宾语从句。例如： She told me that she would accept my invitation. 2. 作介词的宾语 Our success depends upon how well we can cooperate with one another. 以that引导的宾语从句很少用作介词的宾语，只有在except, but, besides, in等介词后才可使用。 Your thesis is quite all right except that the organization is a bit too loose. I like the city, but I like the country better in that I have more friends in the country. Although Anna is happy with her success, she wonders ___ will happen to her private life. A. that B. what C. it D. this b). What引导的从句可以用作介词宾语，而that引导的从句一般不可以。 He was deeply displeased by what had occurred that day. I am curious as to what he will say. 2. whether 与 if 均为 “是否” 的意思。但在下列情况下，