Unit 2 课时3 Section A Grammar focus 4a～4c（教学课件） 英语新教材鲁教版九年级全一册

该初中英语课件聚焦一般将来时被动语态（will be + 过去分词），通过Free Talk环节结合上节课“太空站”内容，以“未来太空将发生什么”的问题引导学生用被动句回答，搭建新旧知识衔接的学习支架。 其亮点在于依托“太空探索”主题语境，通过观察归纳语法规则（如“四步法”转换主动被动语态）培养思维品质，分层作业（基础、提升、拓展）发展学习能力。实例包括动词过去分词练习、主动被动转换及语篇填空，助力学生掌握语法结构，教师可高效开展语法教学，提升学生语言运用能力。

Unit 2 Beyond Earth Section A 4a~4c 语法课 鲁教版 1. 语言能力： 正确理解并运用一般将来时被动语态的结构（will be + 过去分词），完成主动语态与被动语态的句式转换。 2. 文化意识： 在“太空探索”主题语境中感受人类探索宇宙的意义，增强科学探索精神。 3. 思维品质： 通过观察、比较、归纳，自主发现语法规则，培养逻辑思维能力。 4. 学习能力： 在语境中感知、体验和运用语法知识，提升语言综合运用能力。 Learning Objectives After this class, students will be able to: Content 1 Free talk 2 Grammar Focus 3 Exercise 4 Summary 5 Assignment Step 1 Free Talk 1. Free talk. We learnt something about space station last class. So What do you think will be done in space in the future? • More space stations will be built in the next twenty years. • New types of rockets will be designed to carry heavier loads. • More astronauts will be sent to the Moon to do scientific research. • It is believed that the first city on Mars will be set up by 2050. • Space junk will be cleaned up by special robots in the future. 1. Free talk. We learnt something about space station last class. So What do you think will be done in space in the future? • New energy sources will be found to power long-distance space travel. • More international cooperation will be encouraged in space exploration. • The surface of Venus will be explored by unmanned spacecraft soon. • Food and water will be produced directly in space using advanced technology. • It is predicted that the secret of alien life will be discovered in the near future. Would you pay attention to the red words in the sentences? will be + PP（过去分词） The Passive Voice in the Simple Future Tense 一般将来时的被动语态 Step 2 Grammar Focus 1. Read the sentences and circle the verbs in the passive voice. Pay attention to how they are used in the simple future tense. Will you be visited by other astronauts? More astronauts will be sent there. Exploration of the planet Mars and the moon will be continued. A new home for us human beings will be needed. It is believed that our understanding of the universe will be greatly improved. 一般疑问句 过去分词（done） 一般将来时的被动语态结构 = will be + 动词过去分词 陈述句 （肯定） 复合句 → 表示被动关系——主语是动作的承受者。 2. Read the sentences and learn the structure of the passive voice in the simple future tense. 一般将来时的被动语态结构 = will be + 动词过去分词 be done will + be done • More space stations will be built in the next twenty years. • The Moon will not be forgotten as we explore farther into space. • Will the environment on Mars be changed to support human life? • How will food and water be produced on a long space trip? will be done → 肯定句 will not be done → 否定句 Will ... be done → 一般疑问句 W/H will be done → 一般疑问句 3. 小试牛刀：请根据要求完成句子。 • A new space station will be built near the Moon. （1）否定句：________________________________________________ （2）一般疑问句：____________________________________________ 肯定回答：____________ / 否定回答：____________ • Space junk will not be cleaned up by robots in the future. （1）肯定句：________________________________________________ （2）一般疑问句：____________________________________________ 肯定回答：____________ / 否定回答：____________ • Will the surface of Mars be explored by unmanned rovers? （1）肯定句：________________________________________________ （2）否定句：________________________________________________ • More international cooperation will be encouraged in space projects. （1）否定句：________________________________________________ （2）一般疑问句：____________________________________________ 肯定回答：____________ / 否定回答：____________ A new space station will not be built near the Moon. Will a new space station be built near the Moon? Yes, it will. No, it won't. Space junk will be cleaned up by robots in the future. Will space junk be cleaned up by robots in the future? Yes, it will. No, it won't. The surface of Mars will be explored by unmanned rovers. The surface of Mars will not be explored by unmanned rovers. More international cooperation will not be encouraged in space projects. Will more international cooperation be encouraged in space projects? Yes, it will. No, it won't. 4. Read the sentences and discuss when do we use the passive voice. • A strange object on the Moon's surface will be found in the future. （月球表面的一个奇怪物体会在未来被发现。） • A new record for the longest space stay will be set next year. （明年将会创造一项新的最长太空停留纪录。） • The safety of all astronauts will be protected by advanced technology. （所有宇航员的安全将会被先进技术保护。） • A new type of space food will be developed for long-term missions. （一种新型太空食品将会为长期任务而研制。） 不知道动作的执行者 不需要说明动作的执行者,可从上下文猜出 强调动作的承受者时 1 不知道或不需要说明动作的执行者 2 想强调动作的承受者 5. Read the sentences and learn how to write the passive voice sentences. 1 不知道或不需要说明动作的执行者 2 想强调动作的承受者 Scientists will send more astronauts there. 主语 （动作发出者） 谓语 宾语 （动作的承受者） 其他 主动语态 More astronauts will be sent by scientists. there 宾语 （动作的承受者） 谓语 其他 主语 （动作发出者） 被动语态 5. Read the sentences and learn how to write the passive voice sentences. 主动语态 被动语态 宾语 主语 谓语 will + v. will be + done 主语 by 主语/ 省略 Exercise 1. This project will require students to do research on space exploration. → ___________________________________________________ 2. Scientists will position more satellites in space. → _______________________________________ 3. Because of the bad weather, they will cancel the trip to the space museum. → ___________________________________________________________ Students will be required to do research on space exploration. More satellites will be positioned in space. The trip to the space museum will be canceled because of the bad weather. 5. Read the sentences and learn how to write the passive voice sentences. Exercise 4. The magazine will publish an article about future space travel next month. → __________________________________________________________ 5. Will the space centre launch a new rocket next month? → ________________________________________ An article about future space travel will be published next month. Will a new rocket be launched next month? 转换“四步法” ： ① 找宾语（主动句的宾语 → 被动句的主语） ② 调位置（宾语提前作主语） ③ 变动词（will do → will be done） ④ 加by（如需强调执行者，置于句末） 6. Read the sentences and review the passive voice in different tense. • Space exploration is supported by governments around the world. • New astronauts are not trained without strict physical tests. • Is the Moon explored by humans these days? — Yes, it is. • The first human-made satellite was launched in 1957. • The astronauts were not sent to Mars in the 20th century. • Were any space stations built in the 1990s? — Yes, they were. • More information about exoplanets will be collected by telescopes. • Space tourism will not be offered to ordinary people in the near future. • Will a human base be set up on the Moon by 2040? — No, it won't. 一般现在时被动语态（am / is / are + 过去分词） 一般过去时被动语态（was / were + 过去分词） 一般将来时被动语态（will be + 过去分词） 被动语态 be done Step 3 Exercise 1. 写出下列动词的过去分词。 build send design find explore ___________________________________ launch discover clean up set up encourage _____________________________________________ built sent designed found explored launched discovered cleaned up set up encouraged Task 1 Can you write more verbs? Task 2 请认真辨析动词的过去式和过去分词，并牢记。 2. 用所给动词的适当形式填空。 • More space stations __________ (build) in the next twenty years. • A new type of rocket ______________ (design) next year. • Space junk _______________ (not / clean up) by robots unless technology improves. • __________ more astronauts __________ (send) to Mars in the future? • It is believed that the secret of alien life _______________ (discover) soon. • The trip to the space museum _____________ (cancel) because of the bad weather tomorrow. • New energy sources ______________ (find) to power long-distance space travel. • __________ the surface of Venus __________ (explore) by unmanned spacecraft? • Space tourism _______________ (not / offer) to ordinary people in the near future. • A new home for humans __________ (need) in space if the Earth becomes too crowded. will be built will be designed will not be cleaned up Will be sent will be discovered will be canceled will be found Will be explored will not be offered will be needed 3. Change these sentences from the active voice to the passive voice. • Scientists will develop a new type of space food for long-term missions. → ________________________________________________________ • The space centre will launch a new rocket next month. → ________________________________________________________ • The magazine will publish an article about future space travel. → ________________________________________________________ • Because of the bad weather, they will cancel the space walk. → ________________________________________________________ • Will engineers design a new spacesuit for astronauts? → ________________________________________________________ • This project will require students to do research on space exploration. → ________________________________________________________ A new type of space food will be developed for long-term missions. A new rocket will be launched by the space centre next month. An article about future space travel will be published by the magazine. The space walk will be canceled because of the bad weather. Will a new spacesuit be designed for astronauts? Students will be required to do research on space exploration. “四步法” ①找宾语 ②调位置 ③变动词 ④加by 4. Try to the tasks below by yourself. • This project will require students to do research on space exploration. Students __________________________________________________. • Scientists will position more satellites in space. More satellites _____________________________________________. • Because of the bad weather, they will cancel the trip to the space museum. The trip _____________________________________________________. • The magazine will publish an article about future space travel next month. An article ____________________________________________________. • Will the space centre launch a new rocket next month? Will a new rocket _____________________________________________? will be required to do research on space exploration. “四步法” ①找宾语 ②调位置 ③变动词 ④加by will be positioned in space (by scientists). to the space museum will be canceled because of the bad weather. about future space travel will be published (by the magazine) next month. be launched (by the space centre) next month? 5. Complete the passage with the correct forms of the verbs in brackets. What are exoplanets? What are your views on finding life on another planet? For a long time, scientists have known that the universe __________ (fill) with stars. In more recent times, however, thousands of "exoplanets" have also been discovered. These are planets that ____________ (move) around stars — just like in our own solar system. So far, more than 5,000 exoplanets have been known to us, and as technology improves, many more __________ (find). Some exoplanets are similar to Earth. They are of a similar size and temperature, and they might _____________ (have) water. Scientists are excited about this. It __________ (think) that if there is water, there might also be alien life! is filled move will be found have is thought Step 4 Summary Summarize the key points of the passive voice in simple future tense. Structure 肯定句：will be done 否定句：will not be done 一般疑问句：Will ... be done? when 不知道或不需要说明动作的执行者 想强调动作的承受者 How “四步法”: ①找宾语 ②调位置 ③变动词 ④加by Passive voice in simple future tense Step 5 Assignment 基础作业 提升作业 拓展作业 完成教材4b题（主动变被动）的全部练习，巩固句式转换能力。 用一般将来时的被动语态写5个句子，描述“未来太空探索中可能发生的事情”。 阅读一篇关于中国航天发展的英文短文，圈出其中的被动语态结构（不限时态）。 Thank you! $