Unit2 语法精讲和专项练习2025-2026学年仁爱科普版九年级英语上册

**基本信息** 聚焦后缀en词性转换规则与被动语态系统训练，通过分类归纳、四步转换法及口诀实现语法知识向解题能力转化，提升语言应用与逻辑思维能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |语法精讲|后缀en（10例）、被动语态（4时态公式+1口诀）|后缀en分类规则（名/形→动；物质名→形）；被动语态四步转换法（宾作主→be+done→by+执行者）|从词性转换规则到被动语态定义→结构→转换步骤→时态公式→易错点，形成“规则-应用-纠错”逻辑链| |同步练习|6题型（连线/填空/改错等，24题）|口诀“宾语提前作主语，be‑done替换原谓语”强化转换记忆|题型覆盖词形辨析、时态应用、句式转换，对应语法精讲知识点，实现从理解到综合运用|

2026秋 新仁爱九年级英语上册 U2 语法精讲和专项练习 语法精讲 加后缀en后，词性词义的变化 一. 加在名词、形容词末尾 → 动词，含义：使……变得…… 1.strength /streŋθ/ n.力量 → strengthen v.加强，增进 2. length /leŋθ/ n.长度 → lengthen v.延长 3. height /haɪt/ n.高度 → heighten v.提高 4. wide（adj.宽的）→ widen v.拓宽 5. deep（adj.深的）→ deepen v.加深 6. dark（adj.黑暗的）→ darken v.使变暗 7. quick（adj.快的）→ quicken v.加快 二、加在部分物质名词后面 →形容词，意思：由…构成的、具有…属性的 名词 — 形容词 wood   wooden； 木制的； gold    golden；    金色的 wool    woolen       羊毛制 1.语态定义 语态体现主语是动作发出者还是承受者，分为主动语态、被动语态。 （1）主动语态 含义：主语发出动作。 结构：主语 + 谓语 + 宾语 + 其他。 例句：We grow flowers.我们种花。 （2）被动语态 含义：主语承受动作（对应汉语“被”）。 结构：be + 过去分词(done)+by+动作发出者（可省略），be按时态、人称变化 使用场景： ①不必说出动作执行者；②侧重被作用的事物；③客观介绍。 例句：Flowers are grown by us.花被我们种植。 2.主动变被动（4步） （1）.原宾语提前，作被动句主语； （2）.谓语变为be+过去分词，be和原句时态一致； （3.）原主语前加by置于句末； （4）.剩余成分照抄。 例：People plant trees. → Trees are planted by people. 3.核心时态公式（九年级必考） （1）.一般现在时被动：am / is / are + done （2）.一般过去时被动：was / were + done （3）.现在完成时被动：have / has been + done （4）.一句话做题口诀 宾语提前作主语，bedone替换原谓语；执行者末尾用by引。 4.易错点 不及物动词（happen, take place）无被动语态。 同步练习 一、将左侧单词和右侧词性以及汉语含义连线。 1. strengthen　  A 形容词   a.木制的 2. wooden　　　 B 动词　　　 b.增强 3. lengthen　　 C 动词　　　 c.延长 4. woolen　 D 形容词　　 d.羊毛制的 二、选词填空 （heighten golden widen wooden ） 1. We should ________ our awareness of art. 2. The girl wears a ________ necklace. 3. Workers ________ the road to welcome the art show. 4. He puts his paintings into a ________ box. 三、改错，划出错误单词并改正， 1. Many paintings are make by teenagers. ________ 2. The accident was happened last Monday. ________ 3. The garden is clean every day by volunteers. ________ 4. The books are taken by  students yesterday. _______ 四、把下列句子变为被动语态 1. They plant many flowers every year. 2. We clean the park every day. 3. People built the garden last year.  4. The boy finished his painting yesterday.  五、连词成句 1. the road, is, workers, widened, by, every year  2. are, these paintings, visitors, admired, by  3. the garden, was, people, built, last year, by  4. were, papercutting works, teenagers, made, by 六、阅读短文，用括号内单词的适当形式填空。 Now many students in our school love handmade art. Every year students 1.___(make) papercutting in their free time. Many wonderful pieces2.__(finish) by them. Our teachers often 3.___(encourage) them to develop their hobbies. Some wooden shelves 4.___(prepare) to show their works. Last term our school 5.___(hold) an art show. Students 6.___(show) their paintings. Lots of works 7.___(admire) by teachers and visitors. Workers 8.___(fix) bright lights and the hall9.____(decorate) beautifully 参考答案 一、 1Bb 2Aa 3Cc 4Dd 二、选词填空 1.heighten 2 golden  3. widen   4. wooden 三、改错（划出错误单词，写出改正后的单词） 1. make → made 2. 划掉 was；去掉was（happen不及物动词无被动） 3. clean → cleaned 4. are → were 四、主动语态改为被动语态 1. Many flowers are planted by them every year. 2. The park is cleaned by us every day. 3. The garden was built by people last year. 4. His painting was finished by the boy yesterday. 五、连词成句 1. The road is widened by workers every year. 2. These paintings are admired by visitors. 3. The garden was built by people last year. 4. Papercutting works were made by teenagers. 六、短文填空 1. make                2. are finished 3. encourage        4. are prepared 5. held                  6. showed 7. were admired   8. fixed 9. was decorated  学科网（北京）股份有限公司 $