Unit 2 单元语法精讲精练2026-2027学年人教版九年级英语上册

九上 Unit 2 单元语法精讲精练 单元核心语法：It 作形式主语句型 语法一：It 作形式主语 一、两大基础结构 结构 1：It is + 形容词 + of sb. to do sth. 适用形容词：形容人的品格、品质（brave, wise, nice, kind, creative, inspiring, admirable 等） 逻辑：人本身具备该特质，可转换为 Sb. is + adj. to do sth. 例句： It was brave of Turing to create computer science. = Turing was brave to create computer science. 结构 2：It is + 形容词 + for sb. to do sth. 适用形容词：描述做某事这件事本身的难度、重要性、客观感受（important, difficult, amazing, necessary, helpful, interesting, wonderful 等） 逻辑：这件事对某人来说……，不能直接转换为主人作主语 例句： It was difficult for Zhong Yang to collect seeds in Xizang. 二、拓展句型：It is + adj. + that 从句 用来评价整件事情，that 从句描述完整事件 例句： It was inspiring that Zhong Yang collected millions of plant seeds. 三、句式变形 否定句：It is/was not + adj. + of/for sb. to do… 一般疑问句：Is/Was it + adj. + of/for sb. to do…? 同义改写：把普通陈述句改写为 It 形式主语句型 四、易混区分 of /for 速记 of + 品质形容词：brave, wise, nice, creative, inspiring, kind for + 客观评价形容词：important, difficult, amazing, helpful, necessary, wonderful 五、单元配套例句汇总 It was very creative of I.M. Pei to design the glass pyramid of Louvre. It is courageous of Wang Yaping to walk in space. It’s really very nice of Adam’s father to support his exchange study. It was difficult for Zhong Yang to brave cold and high mountains in Xizang. It is important for us to learn from inspiring great people. 第二部分 语法专项精练 一、基础填空（of /for 选词填空） It was wise ____ Sima Qian to finish the great book Shiji. It is difficult ____ ordinary people to do long-term scientific research. It was brave ____ Zhang Qian to travel to the Western Regions. It is amazing ____ us to know Marie Curie won two Nobel Prizes. It is necessary ____ students to learn the spirit of scientists. 二、句型改写（用括号内形容词改写为 It 形式主语） We should respect the elders. (wise) → It is wise of us to respect the elders. Tiny seeds can grow into tall big trees. (amazing) → It is ________________________ Turing invented computer science. (brave) → It was brave of ________________________ We learn stories of great people to get power. (important) → It is ________________________ Zhong Yang spent all his life collecting plant seeds. (inspiring) → It was inspiring that ________________________ 三、单项选择（区分 of /for） ( ) 1. It was ____ Yuan Longping to develop hybrid rice and cut hunger. A. hard for B. wise of C. amazing for ( ) 2. It is ____ all teenagers to keep learning and never give up. A. important for B. kind of C. brave of ( ) 3. It was ____ Nightingale to build clean hospitals for wounded soldiers. A. difficult for B. nice of C. wonderful for ( ) 4. It seemed impossible ____ Zhang Qian to finish his task at first. A. of B. for C. to ( ) 5. It is creative ____ I.M. Pei to mix Eastern and Western building styles. A. of B. for C. with 四、短文选词填空（选词：A. It is important for us B. It was really brave and admirable C. It is always inspiring D. It seemed impossible for him） _______1 to read about great people and learn their spirits. I admire Zhang Qian very much. The Han emperor sent him to look for Yuezhi. At first, _______2 to finish the task because he was caught by enemies. Ten years later, he escaped and finished his journey. _______3 that he never gave up his mission. His trip opened the Silk Road. _______4 to learn from his persistence and courage to create a better future. 五、句型转换综合练习 Wang Yaping is brave to give space classes.（改为 It 形式主语） Doing seed research in Xizang was hard for Zhong Yang.（同义改写） Mozi spent his whole life calling for world peace. It is inspiring.（合并为 It was inspiring that…） We should learn from inspiring scientists. It is necessary.（用 for 改写） 六、短文综合语法填空（用 It 句型思路完成） Zhong Yang is a seed scientist I look up to. ____ (difficult) him to work in cold high-altitude Xizang. ____ (inspiring) he collected over 40 million seeds for China. ____ (wise) him to train local young researchers. ____ (important) all students to carry on scientific exploration. 第三部分 中考题型精选 一、中考单项选择 ( ) 1. It was ____ Yuan Longping to devote his life to solving hunger problems. A. hard for B. kind of C. wise of ( ) 2. It is ____ every young person to hold on to their dreams. A. important for B. brave of C. nice of ( ) 3. —Do you think Turing great? —Yes. It was ____ him to pioneer computer science. A. difficult for B. brave of C. amazing for 二、中考句型改写真题 We should learn from great inspiring people.（用 important /for 改写） Sima Qian finished the great history book Shiji. He was great.（用 It was wise of…） Zhong Yang kept collecting seeds in Xizang for years. It moves us.（用 It was inspiring that…） 三、中考语法完形节选 _______1 to know stories of heroes. Zhong Yang loved plant research deeply. At the beginning, _______2 him to find enough seed resources in Xizang. _______3 him to stick to his dream for decades. _______4 teenagers to keep curiosity about science. 第四部分 全部习题参考答案 一、基础填空 of /for of 2. for 3. of 4. for 5. for 二、句型改写 amazing for tiny seeds to grow into tall big trees Turing to invent computer science important for us to learn stories of great people to get power Zhong Yang spent all his life collecting plant seeds 三、单项选择 1.B 2.A 3.B 4.B 5.A 四、短文选词填空 1.C 2.D 3.B 4.A 五、句型转换综合练习 It was brave of Wang Yaping to give space classes. It was hard for Zhong Yang to do seed research in Xizang. It was inspiring that Mozi spent his whole life calling for world peace. It is necessary for us to learn from inspiring scientists. 六、短文综合语法填空 It was difficult for It is inspiring that It was wise of It is important for 中考单选答案 1.C 2.A 3.B 中考句型改写真题 It is important for us to learn from great inspiring people. It was wise of Sima Qian to finish the great history book Shiji. It was inspiring that Zhong Yang kept collecting seeds in Xizang for years. 中考语法完形节选 It is inspiring It was difficult for It was brave of It is important for 学科网（北京）股份有限公司 $