it——天下第一指代词.doc

it天下第一指代词温故知新英语中的it 一词看似简单，但“麻雀虽小，五脏俱全”。它词义广泛，指代范围广，既可作人称代词也可作非人称代词，既可作形式主语也可作形式宾语。下面我们就一起来学习it的指代用法。寓词于境请观察以下四组句子，看看各句中的it各指代什么，有何共同特征？I. 1. Life is like a fire; it begins in smoke, and ends in ashes.2. She didnt come yesterday, and it meant that she was angry.3. Who is knocking at the door? Its me.II.4. It is rather windy at sea sometimes.5. It is thousands of miles from Gambia to America.6. It was midnight when he heard a man crying softly.III. 7. It is never too late to mend.8. It is no use talking to them.9. It is said that he stole the money.IV.10. I think it difficult to learn English well. 11. We make it clear that speaking to the teacher in that way is not polite. 12. I dont like it when people talk with the mouth full of food. 用作人称代词：1. 指代上文提到的事物。2. 指代上文提到的事情。 3. 指代人。 用作非人称代词： 4. 指代天气。5. 指代距离。6. 指代时间。 用作形式主语：7. 用在“It is +形容词+ (for / of + sb.) +动词不定式”中，指代动词不定式。 8. 用在“It is + no use / good + 动词-ing形式”中，指代动词-ing形式。9. 用在“It is + said / believed / reported + that从句”中，指代that从句。 用作形式宾语：10. 用在“动词+ it + 形容词 + 动词不定式”中，指代动词不定式。11. 用在“动词+ it + 形容词 + that 从句”中，指代that从句。12. 用在某些特殊的句式中，it也可以指代when从句或者if 从句。高考实例I. 单项选择从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1. He didnt make _ clear when and where the meeting would be held. (天津2007) A. this B. that C. it D. these 2. _ is our belief that improvements in health care will lead to a stronger, more prosperous economy. (浙江2006)A. As B. That C. This D. It3. The doctor advised Vera strongly that she should take a holiday, but _ didnt help. (2005全国卷III)A. it B. she C. which D. he4. Id appreciate _ if you would like to teach me how to use the computer. (山东2006)A. thatB. it C. this D. youII. 单句改错下面的句子选自高考试题的改错部分，用你的火眼金睛把错误找出来吧！1. You wont find difficult to get to the city center. (2004全国卷IV)2. I know there is not easy to be a teacher. (湖北2004)3. This is not surprising that the Silver Ghost wa