Unit 5 Grammar 课件 2025-2026学年外研版八年级英语下册

该初中英语课件聚焦宾语从句“三要素”（引导词、语序、时态），通过简单句宾语（名词、代词、动名词）回顾导入，逐步过渡到句子作宾语，构建从已知到未知的学习支架，帮助学生系统理解宾语从句的定义与句法功能。 其亮点在于采用引导词分类对比（that/if-whether/特殊疑问词）、语序转换练习、时态口诀（主过从必过等）等策略，结合留言板互动与自然发现短文写作任务，培养学生语言能力与思维品质。学生能提升语法应用与写作能力，教师可获得系统教学资源及分层练习设计。

The Object Clause 宾语从句 1 学习目标 本节课结束时，学生将能够： 01 学习由 that、if 和 whether 以及特殊疑问词引导的宾语从句的基本结构和用法。宾语从句“三要素”(学习理解） 02 运用宾语从句的语法规则完成相关练习。（应用实践） 03 运用所学的宾语从句，写一篇关于自然发现的短文。 (迁移创新) 2 01 定义 02 句法功能 03 引导词 04 语序 宾语从句 目 录 CONTENTS 05 时态 3 The Object Clause 01 宾语从句定义 4 宾语从句定义 简单来说：宾语从句 就是一个完整的句子，在另一个句子中充当_____________的角色。 简单回顾： 在一个简单句中， 宾语是______________，通常由名词、代词、动名词等充当。 动作的承受者 例 I know the answer. You don't know it. He enjoys playing basketball. 主 谓 名词作宾语 主 谓 代词作宾语 主 谓 动名词短语作宾语 宾语 (Object) 5 宾语从句作用 当我们需要用一个句子来表达更复杂的信息作为动作的承受者（宾语）时，我们就使用宾语从句。 例 You don't know you are beautiful. I think that he loves music. 主 谓 主 谓 主 系 表 主 谓 宾 宾语从句 You don't know it. 主 谓 代词作宾语 简而言之，宾语由一个词变成了一句话，就叫作宾语从句。 宾语从句 引导词 6 The Object Clause 02 宾语从句句法功能 7 宾语从句作用 宾语从句在句子中主要承担宾语的功能。 具体来说，它可以充当以下三种成分： 这是宾语从句最常见、最主要的功能。 它跟在及物动词后面，作为该动词动作的承受者。 I believe that he is honest. 作动词 believe 的宾语 He asked what time it was. 作动词 asked 的宾语 1、动词的宾语 2、介词的宾语 3、形容词的宾语 8 宾语从句作用 宾语从句在句子中主要承担宾语的功能。 具体来说，它可以充当以下三种成分： 1、动词的宾语 2、介词的宾语 3、形容词的宾语 宾语从句也可以跟在介词后面，作为介词的宾语。 We talked about what we should do next. 作介词 about 的宾语 9 宾语从句作用 宾语从句在句子中主要承担宾语的功能。 具体来说，它可以充当以下三种成分： 1、动词的宾语 2、介词的宾语 3、形容词的宾语 某些表示情感、态度、确信度的形容词后面，也可以跟宾语从句，说明产生这种情感或态度的原因或内容。 She is glad that you are her friend. 作为形容词 glad 的宾语，补充说明高兴的具体内容。 10 炼金石 She bought a book yesterday. He saw me in the park. I want to know who won the game. We believe that they will win the match. They said that they were tired. 1、找出以上句中的宾语或宾语从句； 2、指出宾语从句中的连接词。 宾语从句结构： 主句+引导词+宾语从句 11 宾语从句要素： 引导词 ②if / whether ③特殊疑问词，如：what/who/which/when/where/why/how/how many..... ①that （陈述句 ） （一般疑问句 ） （特殊疑问句) 思维导图 12 The Object Clause 03 宾语从句引导词 13 People believed that dinosaurs looked like huge lizards. Scientists now know that this idea is wrong. They also help us understand that life on earth has always changed. But the find proves that it did 35 million years ago. Research shows that they are a completely new species. Scientists used to believe that ants came from the northern half of … Analyze the sentence structure 主句（主语+谓语） + 引导词 + 从句（主语+谓语+其他） that引导的宾语从句 核心规则 当宾语从句的谓语动词表示肯定的概念，用来陈述一个事实、观点或情况（也就是陈述句）时，一般用that引导。 1.从句是陈述句：用来告诉别人 “是什么”“怎么样”。 3.常见主句动词：know, believe, understand, prove, show, think, say, hope 等。 2.that 无实际意义：只起连接作用，只具有语法功能，目的是使读者清楚后面的句子是作前面动词的宾语的，多数情况下that可以省略。 引导词 一、当陈述句充当宾语时(包括肯定句和否定句)，用 that 连接。 The boy believes it. He will travel through space to other planets. The boy believes (that) he will travel through space to other planets. I think… It is not right for him to treat you like that. I think (that) it is not right for him to treat you like that. “He doesn't like playing basketball.” She tells me. She tells me (that) he doesn't like playing basketball. 1. that ____词汇意义，仅起连接作用； 2. that 在从句中________任何成分； 3. that 在口语和非正式文体中常_______。 无 不充当 省略 16 二、用 if/ whether连接情况 I wonder. Does she like reading? I wonder if / whether ①转述一般疑问句 当一般疑问句充当宾语时，用 连接。 1.用if/whether连接 2.改为陈述句语气 if / whether she likes reading. 1. 表“是否”，具有疑问意义；不能省略 2. 常跟在 ask, wonder, know等词后面； 3. 从句不缺成分； 4. if与whether可互换 连接成宾语从句 if/whether 17 They can tell us whether dinosaurs had feathers. Who knows whether this piece of amber will tell us more secrets? Amber may also help us discover if other species have changed over. Analyze the sentence structure 主句（主语+谓语） + 引导词 + 从句（主语+谓语+其他） 当主句的谓语动词（如 ask, wonder, know, tell, want to know 等）后面需要接一个 “是” 或 “否” 的问题时，我们用 whether 或 if 来引导这个宾语从句。 ②引导的陈述句需表达“是否”的不确定性 讨论类、判断类、心理活动动词后。 I want to know. She goes to school by bike. I want to know 1. 用if/whether连接 2. 陈述句语气 if / whether she goes to school by bike. 二、用 if/ whether连接情况 if / whether ①转述一般疑问句 当一般疑问句充当宾语时，用 连接。 if/whether 连接成宾语从句 19 Is it sunny today? I don't know. I don't know if/whether it is sunny today. Can you play the piano? They want to find out. They want to find out if/whether you can play the piano. She is asking… Will he come to the party? She is asking if/whether he will come to the party. 将以下句子连接成宾语从句。 宾语从句改为陈述语序 炼金石 20 Tips：一般情况下whether/if可互换，但在某些情况下，只能用whether。 1、宾语从句在介词后，作介词的宾语时，只能用whether。 2、与or not 连用时，只能用whether 3、与动词不定式连用时，只能用whether 4、引导位于向首的宾语从句时，只能用whether。 1、I’m interested in whether he likes Australia. 2、Let me know whether he will come or not. 3、I didn’t whether to go swimming. 4、Whether the news is true remains a question. 21 火眼晶晶  I'm thinking about if I should change my job.  I'm thinking about whether I should change my job. She can't decide whether to go shopping or stay at home. She can't decide if to go shopping or stay at home. Tell me whether you will attend the meeting or not. Tell me if you will attend the meeting or not. If he will succeed or not is uncertain. Whether he will succeed or not is uncertain. 介词后 不定式前 与or not连用 从句句首 22 三、当特殊疑问句充当宾语时，由特殊疑问词连接。 Tom really wants to know. Where is Jerry hiding? Tom really wants to know 1、连接词就是疑问词本身 2、特殊疑问句变成陈述语序 where Jerry is hiding. 连接成宾语从句 杰瑞正藏在哪里? 汤姆很想知道 菀菀原创课件，均由菀菀原创，如有侵犯本人合法权益，必用法律手段维权。请勿侵权！请勿侵权！微信：菀菀原创课件，小红书/抖音：菀菀原创课件。 23 特殊疑问词 疑问代词 疑问副词 who, whom, what, which, whose… where, when, why, how, how much/many… 引导的宾语从句中，这些词在句中不可省略，有意义。 She asked who wrote the letter. → 连接副词（作方式状语） I don't understand how he did it. We discussed where we should go. Do you know whose pen this is?  → 连接代词（作主语） → 连接副词（作地点状语） → 连接代词（作定语） 1.连接代词在宾从中要充当成分（主语，宾语，表语，定语等） 2.连接副词在宾从中充当状语成分（时间、地点，原因状语） 三、当特殊疑问句充当宾语时，由特殊疑问词连接。 菀菀原创课件，均由菀菀原创，如有侵犯本人合法权益，必用法律手段维权。请勿侵权！请勿侵权！微信：菀菀原创课件，小红书/抖音：菀菀原创课件。 24 炼金石 将以下句子连接成宾语从句。 宾语从句改为陈述语序 Can you tell me? Whom are you waiting for? Can you tell me whom you are waiting for? None of us knows… Where can these new parts be brought? None of us knows where these new parts can be brought. I don’t know… What are they looking for? I don’t know what they are looking for. 发现了吗？ 陈述语序是宾语从句下一个要素！ 菀菀原创课件，均由菀菀原创，如有侵犯本人合法权益，必用法律手段维权。请勿侵权！请勿侵权！微信：菀菀原创课件，小红书/抖音：菀菀原创课件。 25 语序 宾语从句要素： 引导词 ②if / whether ③特殊疑问词，如：what/who/which/when/where/why/how/how many..... ①that （陈述句 ） （一般疑问句 ） （特殊疑问句) 都为陈述语序：引导词+主+谓 思维导图 26 The Object Clause 04 宾语从句语序 27 宾语从句语序 I know that he is a student. I don't know if/whether he is a student. +引导词 主句 + 宾语从句 陈述语序：主语+谓语+其他. 无论宾语从句原来是陈述句、一般疑问句还是特殊疑问句，一旦作为宾语从句，其语序必须是 “主语 + 谓语” 的陈述语序。 语序 宾语从句的语序 都是陈述句语序，(从句部分：引导词+(主语)+谓语+其他成分) Is it sunny today? I don't know. I don't know if/whether it is sunny today. Can you tell me? Whom are you waiting for? Can you tell me whom you are waiting for? 29 火眼晶晶 Do you know where is the library? I wonder how can I get to the park? I don’t know what the matter is with him. where the library is? how I can get to the park? what is the matter with him.（特殊） 30 宾语从句的语序 注意： What’s wrong/ the matter with sb./sth.? 作宾语时，语序不变。 I don’t know what is the matter with him. = I don’t know what’s wrong with him. 我不知道他怎么了。 31 语序 宾语从句要素： 引导词 ②if / whether ③特殊疑问词，如：what/who/which/when/where/why/how/how many..... ①that （陈述句 ） （一般疑问句 ） （特殊疑问句) 从句都为陈述语序：连接词+主+谓 思维导图 时态 32 The Object Clause 05 宾语从句时态 33 宾语从句时态 He said that he was happy. She thought that he was reading. 主句： 一般过去时 宾语从句： 一般过去时 主句： 一般过去时 宾语从句： 过去进行时 主句是__________，宾语从句可以是______________。 过去时 相应的过去时态 口诀:主“过”从必“过” 时态 Presentation 宾语从句的时态 I know that he lives in Beijing. We believe that he will win the game. She thinks that he has gone to school. 主句是____________，宾语从句可以是_____________。 主句： 一般现在时 宾语从句： 一般现在时 主句： 一般现在时 宾语从句： 一般将来时 主句： 一般现在时 宾语从句： 现在完成时 现在时 任何适当时态 口诀:主“现”从不“限” 宾语从句的时态 The teacher taught us that practice makes perfect. He asked me if light travels faster than sound. 主句： 一般过去时 宾语从句： 一般现在时 主句： 一般过去时 宾语从句： 一般现在时 从句是__________________________________________________， 无论主句是什么时态，从句都用______________。 一般现在时 客观真理、科学事实、格言或现在仍然存在的习惯时 口诀:客观真理永一现 Exercises 1. He said ______. A. that he is a student B. that he was a student C. that he were a student 2. She wonders ______. A. if the movie is fun B. if the movie was fun C. if is the movie fun 3.The teacher said______. A. that the earth went around the sun. B. that the earth will go around the sun. C. that the earth goes around the sun. Have a try 口诀:主“过”从必“过” 口诀:主“现”从不“限” 口诀:客观真理永一现 01 定义 02 句法功能 03 引导词 04 语序 总结： 05 时态 38 Connect the sentences with that, if or whether. 6 1. Is there life in outer space? Scientists aren’t sure.  Emily wants to know if / whether Mr Brown is interested in insects or birds. John told his parents that he wanted to be a scientist and study plants. Scientists aren’t sure if / whether there is life in outer space. Practice 2. "I want to be a scientist and study plants," John told his parents. 3. Is Mr Brown interested in insects or birds? Emily wants to know. Complete the messages with that, if or whether. 7 Practice if / whether that whether that if / whether that 留言板 1. 我不知道罗锦中学在哪。 2. 我相信（trust/believe)你是对的。 3. 我知道他是你的好朋友。 4. 我想知道(wonder/want to know）她是否会帮我。 I don't know ______ LuoJin Middle School is. I trust/ believe (that) you're right. I know(that) he is your best friend. I wonder/want to know if she can help me. where Self Evaluation Checklist Very good Not bad Need work 1. I can get the Object Clause 宾语从句 2. I can understand the Object Clause 宾语从句 . 3.Ican use the Object Clause 宾语从句 Thank you 43 $