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名词性从句 1 回顾简单句 2 认识名词性从句 3 庖丁解牛 4 总结名从 5 经典例题 回顾简单句 主谓 认识名词性从句 1概念：把句子当做名词用 主语 从句大变身！ This is something important. 主语从句 This is something important. What I want to say is something important. 表语从句 This is something important. This is what I want to say. 宾语从句 I know something important. I know it is something important. 同位语从句 The fact itself is obvious. The fact that I know something important is obvious. 小试牛刀 1. How the books will sell depends on its author. 2. John said that he was leaving for London on Wednesday. 3.It’s because I haven’t been able to be outdoors for so long. 4.The fact that he has not been seen recently disturbs everyone in his office. 5. He will talk to us about what he saw in U.S. 6. It is impossible that I attend the meeting. “刨”丁解牛 宾语从句 1.宾语： 动词、介词、形容词后的成分 I am sure I will pass the exam. 2.宾语从句 由句子作宾语 引导词 whether/if（是否） Whether 通用，if只能用于由及物动词引 导的宾语从句。 Whether和if同时出现必选Whether Having checked the doors were closed and ______all the lights were off, the boy opened the door to his bedroom. [2007 湖南卷] A. why B. that C. when D. where B 2.that that在宾语从句中通常可省，但有并列宾语时，第二个不可以 陈述语序 Do you have a girlfriend ? How many girlfriends do you have ? I don’t know whether you have a girlfriend. I don’t know how many girlfriends you have 当疑问句充当宾语从时，要改成陈述语序。 陈述语序就是去掉助 动词。 时态一致 1.若主句用一般现在时态，则从句时态不受影响。 I know (that) he studied English last term. I know (that) he has studied English for many years. 2.若主句为一般过去时态，从句要与主语时态保持一致. ---时态倒一 一般现在时 一般将来时 现在进行时 一般过去时 现在完成时 He said that China would hold a successful Olympic Games. 3. 当从句表示客观真理，科学道理时，永远用一般现在时，不受主句时态限制。 The teacher told the students that the sun rises from the east. 两式 1.否定前移 当主句是I/we think (believe, imagine, suppose, consider, expect, guess等观点性动词)时, 从句的否定词一般要转移到主句上来. I/we don’t think… I don’t believe he will win the game. 2.形式宾语