名词从句教学演示课件.ppt

Grammar The Noun Clauses;名词性从句?;Who will win the match is still unknown. I want to know what he has told you. The fact is that we have lost the game. The news that we won the game is exciting. ; Subject Clause (主语从句) Object Clause (宾语从句) Noun clause Predicative Clause (表语从句) ;????????????????????????????? _____ the earth is round is true. _______ she will come or not is still a question. _____ you are doing seems very difficult. ______ they will start has not been decided yet. ; 引导主语从句的连词是不能省略的。 That the earth is round is true. That-从句作主语通常用it作先行词，而将that-从句置于句末，例如：It is true that the earth is round.Its a pity that you should have to leave.　你非走不可真是件憾事。 ;2.表示“是否”意义时，一般用whether 而不用 if引导主语从句， Whether she will come or not is still a question . 但如果有形式主语 it引导时，既可用 whether，也可用 if。 e.g. It is still a question if she will come . 3.有时可用形式主语it 代替主语从句： e.g. It is still a question whether she will come . It has not been decided yet when they will start . ; ; what与that在引导名词性从句时的区别: what引导名词性从句时在从句中充当句子成分,如主语,宾语,表语,表示…的.而that则不然,它在句子中只起连接作用,没有意义. (1) What you said yesterday is right. (2) That the earth goes around the sun is well-known to everybody. ;3. ____ leaves the room last ought to turn off the lights. A. Anyone? B. The person C. Whoever? D. Who 4. _____the sports meet will be held depends on the weather. A. Whenever B. If C. Whether D. That ;6. When and why he came here ________ yet. A . is not known　 B. are not known C. has not known D. have not bee 7. After Yang Liwei succeeded in circling the earth, ________ our astronauts desire to do is to walk in space.  A. where B. what C. that