Unit 7 Section A (4a—4d) 课件 2025-2026学年人教版八年级英语下册

该初中英语课件聚焦现在完成时，涵盖构成（have/has+过去分词）、意义（过去动作对现在影响等）、标志词（ever/never等）及与一般过去时的对比。课堂导入通过对比“I have bought a computer”和“I bought a computer”，引导学生发现动作均发生在过去但强调点不同，搭建从已知过去时到新学现在完成时的学习支架。 其亮点在于融合语言能力与思维品质培养，通过对话填空（用ever/never等）、小组采访同学阅读经历（如“是否读过四大名著”）等活动，让学生在真实语境中运用语法。同时融入《三国演义》等文学名著，提升文化意识，规则与不规则动词表及for/since练习帮助系统归纳，学生能提升语法应用与阅读兴趣，教师可借助结构化资料高效教学。

Section A (4a-4d) A Good Read Unit 7 What great books have you read? Learning Objectives 理解现在完成时的表意功能，总结和归纳现在完成时不同句式的构成，掌握现在完成时的助动词have和has与不同人称代词及否定词not的缩略形式； 识别并恰当使用现在完成时的标志性副词ever、never、already、just和yet; 在语境中正确使用现在完成时表达意义，通过与一般现在时和一般过去时对比，深入理解并掌握现在完成时的用法; 在完成语法练习的同时了解更多文学名著，体会阅读的意义，并通过调查同学的阅读经历互相激励，激发阅读的动力。 叙述过去的事情 强调过去的动作 I have bought a computer. I bought a computer. Are the two sentences the same? What are the differences? Present perfect tense 现在完成时态 Past simple tense 一般过去时态 Both actions happened in the past. 动作都发生在过去。 强调过去的事情 对现在的影响 Have you decided on a book for your report? Yes, I have. / No, I haven’t. Has Peter ever heard of this book? No, he’s never heard of it. Has Chen Jie read this book yet? No, but she’s already borrowed it from the library. What have you read recently? I’ve just finished The Romance of the Three Kingdoms. I’ve = I have she’s = she has haven’t = have not hasn’t = has not Read the sentences and underline the present perfect forms of the verbs. 4a The form: _____________________ have / has + the past participle（过去分词） present perfect tense 形式-意义-使用 形 式 肯定句：主语 + have/has + 过去分词 + 其他. 否定句：主语 + have/has + not + 过去分词 + 其他. 一般疑问句：Have/Has + 主语 + 过去分词 + 其他？ 特殊疑问句：疑问词 + have/has + 主语 + 过去分词 + 其他？ 结构：助动词have/has+过去分词 What have you read recently? Have you read Alice’s Adventures in Wonderland? I have read Alice’s Adventures in Wonderland. I have not read Alice’s Adventures in Wonderland. I have finished my homework already. 我已经写完作业了。 解读：作业是之前写完的，现在结果是 —— 可以休息 / 玩耍了。 I have read this book twice. 这本书我已经读过两遍了。 解读：统计到现在一共读了两次。 We have lived here for 6 years. 我们在这里住了 6 年。 解读：6 年前开始居住，现在仍住在这里，未来大概率继续住。 He has studied English since 2021. 他从 2021 年开始学英语。 解读：动作从 2021 年持续到现在，还在学习。 present perfect tense 形式-意义-使用 意 义 1.表示过去发生或已经完成的动作对现在造成的影响或结果。 2. 表示一个动作到现在已经发生了多少次。 3. 表示过去发生的动作一直延续到现在，而且可能持续到将来。 Last month, Peter read Alice’s Adventures in Wonderland. 1. To talk about the influence of past actions on the present. Peter can share this book with others. present perfect tense past ••••••••••••••• Peter has finished Alice’s Adventures in Wonderland. 1.表示过去发生或已经完成的动作对现在造成的影响或结果。 present present perfect 形式-意义-使用 7 past ••••••••••••••• I read Around the World in Eighty Days for the first time. I've already read Around the World in Eighty Days twice. present present perfect I read Around the World in Eighty Days for the second time. 2. 表示一个动作到现在已经发生了多少次。 2. To talk about an action that has happened up to now for many times. I’ve always loved reading fantasy books. past present future love present perfect 3. 表示过去发生的动作一直延续到现在，而且可能持续到将来。 3. To describe an action that started in the past, continues now and may last into the future. meaning use ever 曾经 疑问句 never 从未 否定句 yet 还，仍然；已经 否定句；疑问句 already 已经 肯定句 just 刚刚 肯定句 signal adverbs 标志词 Have you decided on a book for your report? Yes, I have. / No, I haven’t. Has Peter ever heard of this book? No, he’s never heard of it. Has Chen Jie read this book yet? No, but she’s already borrowed it from the library. What have you read recently? I’ve just finished The Romance of the Three Kingdoms. present perfect tense 形式-意义-使用 使 用 1. 到目前为止 up to now/so far 2. 最近 recently/lately/these days 3. 近年来 in recent years/months/days... 4. 过去几天 in the past few days/weeks/months/years... 5. 以前，曾经before signal adverbs 现在完成时 时间标志词 规则动词过去分词构成 规则 原形 过去分词 直接加 -ed finish finished 以 e 结尾加 -d decide decided 以“辅音 + y”结尾，变 y 为 i 加 -ed study studied 重读闭音节双写加 -ed stop stopped 规则动词的过去分词与过去式相同； 不规则动词需要单独记忆。 regular verbs hear heard read read hurt hurt go went write wrote shake shook AAA 型 ABB 型 heard read irregular verbs 不规则动词过去分词构成 gone ABC 型 written shaken hurt I have lived here ______ five years. She has worked here ______ 2020. We have waited ______ two hours. He has learned math ______ he was seven. They have stayed in the city ______ a week. My mum has had this bag ______ last month. The boy has slept ______ three hours. I have known her ______ we were young. It has rained ______ all day. Tom has played football ______ two years ago. 小试牛刀：用 for /since 填空 since“自从…… 以来” for+时间段 for + 一段时间 since + 过去时间 We have been here for fifty years. 50 years past now We have been here since 1970. 50 years past now since + 过去的时间点 时间段 + ago 从句（一般用过去式） We have been here since 1970. We have been here since 50 years ago. We have been here since we got married. Complete the conversations with ever, never, just, already, or yet. 1. A: Have you ________ heard of the book The Little Prince? B: No, I’ve________heard of it. A: I’ve_________finished reading it. It’s such a simple story, but you can learn a lot from it! ever never already 4b 16 2. A: Have you chosen a book for your book report____? B: Yes, I’ve chosen The Little Match Girl. It’s such a sad story, but I love it. I’ve_________ read it many times. 3. A: I’ve______ read a classic novel before. Could you recommend one? B: Well, I’ve______finished Outlaws of the Marsh. It’s really good! A: Oh, thanks! Could I borrow it? B: Sure! yet already never just to say something is good and ask others to try it /ˌrekəˈmend/ v. _____ you ever _____ (try) to read books from different countries? At the start of this year, I ________ (decide) to read books from as many countries as possible. I ______ (begin) with The Adventures of Tom Sawyer. Now I _______ already ________ (read) twenty different books. These books __________ (teach) me a lot about other cultures and societies, and they _____________ (allow) me to see the world differently. In the past, I only ______ (know) the names of different countries, but now I understand them a little bit better. This experience has been amazing so far. I never __________ (realize) how big our world really is! society /səˈsaɪəti/ n. 社会 Have tried decided began read have taught have allowed knew realized have Complete the passage with the simple past or present perfect forms of the verbs in brackets. Tip: circle the signal adverbs 4c 18 Interview your classmates and find out who has done these activities. read all four Chinese literary classics watched a movie based on a novel read a book in a different language read a book more than twice read a book with more than 500 pages joined a reading club 4d Group work: S1: Have you ever read all four Chinese literary classics? S2: No, I haven’t. I’ve only read Journey to the West. S1: Have you ever watched a movie based on a novel? S3: Yes, I have. I watched the movie Harry Potter that is based on a novel. S1: Have you ever read a book with more than 500 pages? S4: Yes, I have. I read The Three-Body Problem, and it has more than 500 pages. S1:Have you ... S2: ... Homework Must do Can do Make sentences using the present perfect tense with ever, yet, already, never and just. Make a video to recommend a book you have read. 1、 Could you recommend one?   你能推荐一本吗？ recommend v. 推荐；建议 ①[动词]推荐 recommend sb. /sth. 推荐某人/某物 recommend sb. for sth. 推荐某人获得某物 recommend sth. to sb. 向某人推荐某物 Language points 21 Can you recommend a good lawyer? 你能介绍一位好律师吗？ I highly recommend her for the 2024 youth star Award. 我强烈推荐她获得“2024年青年之星奖”。 I am looking for places of interest in china. Can you recommend some to me? 我正在寻找中国的名胜，你能给我推荐一些吗？ ②[动词]建议 recommend sb. to do sth. 建议某人做某事 recommend doing sth. 建议做某事 I recommend you to book your flight early. 我建议你早点儿预订航班。 He recommended reading the book before seeing the movie. 他建议先看这本书，再去看这部电影。 2、 Watched a movie based on a novel. 观看了一部根据小说改编的电影。 过去分词短语作后置定语 based on a novel为过去分词短语，作后置定语，修饰a movie， base与a movie之间是动宾关系。过去分词短语作定语修饰名词时，通常放在名词的后面，相当于一个定语从句。 I borrowed a book (which was) written by Mark Twain from the library. 我从图书馆借了一本马克.吐温写的书。 The boy (who is) named/called Tony is my cousin. 那个叫托尼的男孩是我的堂弟。 base sth on sth 以……为基础；以……为根据 base在此处作动词，常用结构为： ①base... on/upon... 把……建立在……的基础上 Edison based his ideas on scientific experiments. 爱迪生的想法是建立在科学实验的基础上的。 ②be based on/upon... 以……为基础 The real-life version of Mulan is based on Hua Mulan in Chinese history. 真人版的木兰以中国历史上的花木兰为基础。 $