九年级上册 Unit 2 课时3 语法-【宝典训练】2025-2026学年九年级全一册英语高效课堂教学课件（沪教牛津版 广州深圳沈阳通用）

该初中英语课件围绕“Unit 2 Great minds”课时3语法，系统讲解动词不定式作主语、表语和后置定语的定义、句型及用法，通过例句解析和分层练习，帮助学生构建语法知识体系。 其亮点在于语法讲解结构化（如主语四种句型、表语三种句型等），结合爱因斯坦、居里夫人等科学家案例渗透文化意识，多样化练习（选择、填空、语篇应用）提升语言能力与思维品质。答案配套方便学生自测，教师可利用其高效开展语法教学，助力学生掌握不定式用法。

天骄出品 必属精品 深圳天骄文化传播有公司 宝典训练 配套教学课件 高效课堂 课时3　语法 Unit 2　Great minds 目录 CONTENTS 2 课时过关 1 课时精讲 课时过关 Ⅰ.1—5　AACAC 6—10　ABCAC Ⅱ.1.fighting　 2.going　 3.to help　 4. reading 5.to go 6.to get 7. to go 8.Saving/ To save 9. to swim 10.to climb 课时过关 返回 目录 课时精讲 Ⅲ.1.improves 2.an 3.Compared　 4. to find 5.energetic 6.to keep 7. If 8.challenges 9. more interesting 10.to compete Ⅳ.1—5　BEACD 课时过关 返回 目录 课时精讲 单元语法讲解：动词不定式作主语、表语和后置定语 一、定义 　　动词不定式的基本含义是表示目的或是未来要发生的动 作。其形式一般是“to ＋ 动词原形”，有时to也可省略。 课时过关 返回 目录 课时精讲 二、结构 1. 动词不定式作主语时，多用it作形式主语，将不定式置于句 末。常用的四种句型如下： （1）It is＋名词＋to do sth.表示“做……是……”。 例句：It’s my turn to clean the classroom.轮到我打扫教室了。 课时过关 返回 目录 课时精讲 （2）It is＋形容词＋for sb.＋to do sth.表示“对某人来说，做 某事是……的”。to do sth.是由for sb.发出的动作；该句型中 的形容词是表示客观情况的形容词，如easy，difficult，hard， important，possible，impossible，necessary，unnecessary， interesting等。 例句：It is very important for students to learn English well.对学 生来说，学好英语是非常重要的。 课时过关 返回 目录 课时精讲 （3）It is＋形容词＋of sb. to do sth.表示“对于某人来说， 做……是……的”。该句型中的形容词是表示主观情况的形容 词，如kind，nice， wise， clever，foolish，right，wrong， careful，careless，polite，impolite等。 例句：It is clever of him to leave that country.对于他来说，离开 那个国家是聪明之举。 （4）It takes/took sb.＋时间＋to do sth.表示“做某事花费某人 多少时间”。 例句：It takes me three hours to go to school.去学校花了我 3个小时。 课时过关 返回 目录 课时精讲 2. 动词不定式作表语时，用于描述主语的性质或解释主语的内 容，常翻译为“……是……”。它有以下三种句型： （1）主语（表“事物”的词）＋be＋to be＋名词 例句：My dream is to be a doctor.我的梦想是成为一名医生。 课时过关 返回 目录 课时精讲 （2）主语（表“事物”的词）＋be＋to do sth. 例句：Our duty is to help those children find their parents. 我们的职责是帮助那些孩子找到他们的父母。 （3）主语从句＋be＋to do sth. 例句：What strikes me most is to see him always busy.让我感到 最惊讶的是见到他时总在忙碌。 课时过关 返回 目录 课时精讲 3. 动词不定式作定语时，必须位于被修饰的词之后。 （1）动词不定式和它所修饰的词之间有动宾关系。 例句：He has a lot of homework to do. 他有许多家庭作业要做。（即do homework） I want to buy something to eat. 我想买点吃的东西。（即eat something） （2）动词不定式修饰名词或代词，对其进行说明，可翻译为 “……的……”。 例句：We need to do something to serve our country. 我们需要做为我们的国家服务的事情。 课时过关 返回 目录 课时精讲 （3）被修饰的词是不定式的逻辑主语。 例句：My uncle is the only one to win a medal in climbing.我叔 叔是唯一一个在登山中获奖的人。 （to win a medal in climbing是由the only one发出的动作） （4）表示动作即将发生。 例句：The conference to take place next month（that will take place next month）is bound to be a success.下个月即将要召开的 会议一定会很成功。 课时过关 返回 目录 课时精讲 Ⅰ.选择填空 （　A　）1. Who can think of a good way  　　　　 the problem？ A. to solve B. solve C. solving D. solved （　A　）2. How long does it take you  　　　　 your homework？ A. to do B. do C. doing D. did A A 课时过关 返回 目录 课时精讲 （　C　）3. The postal code makes it easier 　　　　 letters. A. deliver B. delivering C. to deliver D. delivered （　A　）4. My ambition is  　　　　 an engineer. A. to be B. being C. become D. been （　C　）5. Could you give me a chance  　　　　？ A. explain B. explaining C. to explain D. explained C A C 课时过关 返回 目录 课时精讲 （　A　）6. Poor Martin has a wish  　　　　 to university. A. to go B. going C. goes D. went （　B　）7. It seems that he has no pen  　　　　. A. to write B. to write with C. writing D. written （　C　）8. Would you like something  　　　　？ A. drink B. drinking C. to drink D. drunk A B C 课时过关 返回 目录 课时精讲 （　A　）9. My wish is  　　　　 a house of my own. A. to have B. for having C. of having D. has （　C　）10. I found 　　　　 difficult 　　　　 a bike on the ice in winter. A. it’s； riding B. that； to ride C. it； to ride D. it’s； rode A C 课时过关 返回 目录 课时精讲 Ⅱ.根据句意，用所给词的正确形式填空 1. You must try to avoid （fight） with others in the school. 2. Hey， Dad！ Why not consider （go） to the zoo this weekend？ 3. Jim’s mother often advises him （help） other people in need. 4. He spent three days （read） the book. 5. He has made a plan （go） abroad. fighting　 going　 to help　 reading　 to go　 课时过关 返回 目录 课时精讲 6. It takes her 25 minutes （get） to school. 7. My dream is （go） to a university in Shenzhen. 8. （save） water is important for us. 9. It’s a great pleasure （swim） in the sea in summer. 10. My idea is （climb） the mountains. to get　 to go　 Saving/ To save　 to swim　 to climb　 课时过关 返回 目录 课时精讲 Ⅲ.语法填空 　　Do you know that doing sports not only keeps you fit but also 1. （improve） your mental health？ It is 2. ⁠ amazing activity that can bring many benefits. 　　3. （compare） with staying indoors all day， doing sports outdoors exposes you to fresh air and sunlight. At first， it might be a little difficult for you 4. （find） the motivation to start， but once you get into the habit， you’ll feel 5. （energy）. improves　 an 　 Compared　 to find　 energetic　 课时过关 返回 目录 课时精讲 　　One of the key points 6. （keep） exercising regularly is to choose a sport you truly like. 7. you are interested in what you’re doing， you’re more likely to stick with it. During the process of doing sports， you may face some 8. （challenge）， like getting tired easily or not seeing immediate results. However， don’t give up easily. to keep　 If　 challenges　 课时过关 返回 目录 课时精讲 　　A good way to make sports more fun is to exercise with friends. It’s much 9. （interesting） to play basketball with your classmates than to play alone. You can encourage each other and have someone 10. （compete） with. All in all， start doing sports from now on and enjoy a healthier and happier life. more interesting 　 to compete　 课时过关 返回 目录 课时精讲 IV. 短文填空 　　阅读下面短文，并从方框里的六个句子中选择五个还原到 原文中，使原文的意思完整、连贯。 A. That small moment led to very important laws in physics. B. Their ideas and work still influence our lives today. C. She found radioactive elements like radium and polonium. D. They make us think differently and follow our interests. E. Einstein needed to be creative and brave to question old ideas. F. Many great minds faced problems during their lives. 课时过关 返回 目录 课时精讲 　　Throughout history， great minds have changed the world. Their ideas made big differences to our lives. 1. ⁠ B　 　　Take Albert Einstein for example. His theory of relativity changed how we see the universe. His famous equation， E＝ mc2， showed how mass and energy are related. This idea helped with many new technologies. 2. Even when people didn’t believe in his ideas at first， he kept working. 　　Isaac Newton is another great thinker. His laws of motion and gravity are very important in physics. The story says an apple falling from a tree made him think about gravity. 3. These laws help us understand how things move on Earth and in space. E　 A　 课时过关 返回 目录 课时精讲 　　Marie Curie was a great scientist too. She was the first woman to win a Nobel Prize， and she won it twice in different sciences— physics and chemistry. 4. Her work helped in medicine， like radiation therapy for cancer. It wasn’t easy for her as a woman in a man-dominated field， but she didn’t stop. 　　These great minds not only made scientific progress but also inspired us. 5. Their stories tell us that if we are curious， work hard， and are brave， we can also do great things. C　 D　 课时过关 返回 目录 课时精讲 $