Unit 7 Section A（Grammar Focus 4a-4d）（同步教学课件）2025-2026学年八年级英语下册同步教学精品课件（新教材人教版）

该初中英语课件聚焦现在完成时，以“为何阅读经典书籍”为导入问题，通过例句解析其用法、结构及标志词，结合阅读主题搭建从一般过去时到现在完成时的学习支架，帮助学生系统掌握语法知识。 其亮点在于设计互动采访、报告撰写等活动，引导学生用目标语法讨论阅读习惯，提升语言运用能力，通过对比练习培养思维品质，分层作业促进自主学习。教师可借助结构化练习与真实语境活动，高效提升学生语法应用与跨文化阅读素养。

Section A Grammar focus Unit 7 A Good Read Why should we read great books? BIG Question ? Learning Aims 语言能力 文化意识 思维品质 学习能力 1.Master the present perfect tense and its use with ever, never, justalready,yet。2.Use the simple past and present perfect tenses correctly in context.3.Apply grammar knowledge to complete conversations, passages, and interview activities Use grammar rules to complete exercises and self-correct mistakes.Practice speaking and writing using the present perfect tense inmeaningful contexts 1.Analyze the differences between the simple past and present perfecttenses. 2.Infer the correct tense based on context clues in sentences andpassages 1.Discuss reading habits and literary preferences using the target grammar 2.Appreciate the value of reading books from different countries andcultures 4a 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. Pay attention to the meanings of the bold words. 一、现在完成时的用法 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。 表示从过去开始并持续到现在的动作或状态，常与包括现在在内的一段时间的状语连用。 The classroom is so clean, who has cleaned it? We have learned English for 6 years. 现在完成时是由“助动词 have/has+过去分词”构成的，规则动词的过去分词与其过去式相同，不规则动词的过去分词则须加强记忆。 二、现在完成时的结构 Fu Xing finished Alice’s Adventures in Wonderland. 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。 past •••••••••••• Fu Xing can share many interesting details of the book with Peter. Fu Xing has finished Alice’s Adventures in Wonderland. present present perfect I’ve always loved reading fantasy books. past present future love present perfect 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。 三、现在完成时的句型转换 (--Yes, 主 + have/ has. No, 主+ haven’t/ hasn’t. ) 句式 结构 示例 肯定式 主语+have/has+过去分词+其他. He has read this book before. 他以前读过这本书。 否定式 主语+haven’t/hasn’t+过去分词+其他. I haven’t cleaned out the room. 我还没清理干净房间。 一般疑问式 Have/Has+主语+过去分词+其他? Have you washed the clothes? 你洗衣服了吗？ 特殊疑问式 疑问词＋have/has＋主语＋过去分词＋其他? Where has she found the keys? 她在哪儿找到钥匙的? 三、现在完成时的标志词 表示过去时间的副词 表示次数的短语 already 已经 yet 尚且；已经 before 以前 ever 曾经 never 从未 just 刚刚 so far/up to now/till now 到目前为止 in the past/last few years 在过去的几年里 once 一次 twice 两次 three times 三次 several times 几次 表示自从...... 表示动作持续了多长时间 since+过去一个时间点 since+一段时间+ago since +从句(从句用一般过去时) for+时间段 常与 just, already, yet, ever, never, before, so far 等连用，强调动作的完成，不强调动作的持续。 already 意为“已经”，用于肯定句。 We’ve already tasted the food. 我们已经尝过这种食物了。 He has already got her help. 他已得到她的帮助。 yet 意为“还；尚(未)”，常用于疑问句或否定句。 Have you tasted the food yet? 你们尝过这种食物了吗? He hasn’t come back yet.　他还没有回来 。 注意：变否定句和疑问句时，需要把already 变为 yet。 just 意为“刚刚”，用于肯定句。 He has just seen the film. 他刚刚看过这部电影。 ever 意为“曾经”，通常用于疑问句，也可用于肯定句。 Have you ever been to China? 你曾经去过中国吗？ This is the best film I have ever seen.　 这是我曾经看过的最好的一部电影。 never 意为“从不”，表示否定的意思。 She has never been to China. 她从来没有去过中国。 四、过去分词的规则变化 构成规则 原型 过去分词 3. 重读闭音节结尾 双写辅音➕ed 直接 ➕ ed 4.辅音+y结尾 变y为 i ➕ ed 2. e结尾 ➕ d stop prefer work borrow study try hope love stopped preferred worked borrowed studied tried hoped loved ④原形(词尾为ow/aw)—过去式(词尾变ew)—过去分词(词尾变own) ②过去式和过去分词拼写一致 ③原形(含字母i)—过去式(i变a) —过去分词(i变u) ①原型、过去式和过去分词拼写一致的不规则动词 四、过去分词的不规则变化 read → read → read/red/ had→ had → had cut → cut → cut teach → taught → taught think → thought → thought bring → brought → brought drink → drank → drunk begin → began → begun sing → sang → sung know → knew → known grow → grew → grown throw → threw → thrown 一、单项选择。 1.— It's ten years since we came here. — How time flies! We _____ in China for so long. A. work B. worked C. will work D. have worked 2.Today, all the erhu masters play and praise Erquan Yingyue. It _____ one of China's national treasures. A.becomes B. became C. has become D. become 3.Miss Brown, we _____ cleaning our classroom. Can we go home now? finish B. finishing C. are finished D. have finished 4.— Your new watch is so nice! When did you buy it? — In April. I ______ it for two months. A. have had B. had C. have bought D. bought 5.— Has your sister finished reading ________? — Yes. She has________ finished. A. yet; yet B. yet; already C. already; yet D. already; already D C D A B 4b 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 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 4c Complete the passage with the simple past or present perfect forms of the verbs in brackets. ________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. Have tried 相当于at the beginning of decided began have read 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! 过去，对应短语in the future“在将来” have taught have allowed knew realize 4d Interview your classmates and find out who has done these activities. read all four Chinese literary classics read a book in a different language read a book with more than 500 pages watched a movie based on a novel read a book more than twice joined a reading club We interviewed our classmates about their reading habits. We found that _____ have watched a movie based on a novel. ______have read a book more than twice or one with over 500 pages. ______ have read a book in another language or joined a reading club. ____has read all four Chinese classics yet. It was an interesting survey! Report Activity Name ________ Name ________ Name ________  read all four Chinese literary classics  read a book in a different language  read a book with more than 500 pages  watched a movie based on a novel  read a book more than twice  joined a reading club S1 S2 S3 中国四大文学经典/四大名著 以…为基础/根据 ---- Have you (ever) read/ watched/ joined... ? ---- Yes, I have. / No, I haven’t. Language points Point 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 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。 Point 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。 Exercises 单项选择 一、单项选择。 1.( )—Have you ____ been to __ France? —No, ____. A. ever; never B. never; ever C. ever; ever D. never; never A 2.( )—Oh hi, I’m looking for a pair of shoes. —Well, you ____ to the right place. We have a lot of shoes in our shop. A. came B. were coming C. will come D. have come D 3.( )This book must be great. My sister ____ it five times. A. reads B. has read C. is reading D. was reading B 4.( )—Look! What a clean room! Who ____ it? —Jessica, I guess. She is always helpful. A. has cleaned B. is cleaning C. will clean D. clean A 5.( )The research team ____ great progress in fighting against cancer in the past few years. A. makes B. will make C. made D. has made D 6.( )—I have ____ finished my homework. What about you? — I finished it ____. A. just; just B. just now; just now C. just; just now D. just now; just C 二、用所给动词的适当形式填空（现在完成时/一般过去时） 1. He __________________ (just finish) reading the novel. 2. ___________ you ever ___________ (read) a classic book? 3. She _____________________ (already borrow) the book from the library. 4. I _____________ (never see) this kind of book before. has just finished Have read has already borrowed have never seen 二、用所给动词的适当形式填空（现在完成时/一般过去时） 5. They ___________ (go) to the library yesterday. 6. ___________ you ___________ (decide) on a book yet? 7. My mother ___________ (read) this book last month. 8. He ___________ (not hear) of this book before. went Have decided read hasn’t heard 三、按要求改写句子 1.—Have you washed your clothes? —________, ________ ________.(作肯定回答) —________, ________ ________.(作否定回答) Yes I have No I haven’t 2. Jim read a novel yesterday.(用现在完成时改写句子) Jim ________ ________ the novel twice. has read 3.She’s already learned French for three months.(改为一般疑问句) ________ she learned French for three months ________? 4.Emma has already run out of money.(改为否定句) Emma ________ ________ out of money ______. 5.He died 10 years ago. (改为同义句)　 He _____ _____ ____ for 10 years / since 10 years ago. 6. He borrowed the book 2 weeks ago. (改为同义句)　 He ______ _______the book for 2 weeks. Has yet hasn’t run yet has been dead has kept 3. He bought the motorbike a month ago. (改为同义句) 　 He _____ ____the motorbike for a month. 4. He arrived here three days ago. (改为同义句)　 He ______ ______here since three days ago. 5. He left here 2 years ago. (改为同义句) 　 He _____ ______ ____from here for 2 years. 6. The film began 30 minutes ago. (改为同义句) 　 The film ____ _____ ___ for 30 minutes. has had has been has been away has been on 四、根据汉语意思完成句子。 1.我已经听说了那部电影。我的朋友们说它非常有趣。 I ________ ________ ________ that movie. My friends say it’s really funny. 2.我的老师刚刚推荐了很多优秀的英文歌曲来帮助我们更好地学习。 My teacher ________ just _____________ many good English songs to help us learn better. have heard of has recommended 23.到目前为止，我们学校已经做了很多帮助社会的事情，比如打扫公园。 Our school ______ ______ a lot of things to help _______, like cleaning up the park. 24.我们的老师让我们在今年暑假读一些文学经典作品。 Our teacher asked us to read some _________ _________ this summer vacation. has done society literary classics 5.我昨晚看了一部根据真实故事改编的电影。它非常感人。 I watched a movie ________ ________ a true story last night. It was so touching. 6. 我们买这本书三年了。(have) We_____ _______the book______ three years. based on have had for 7. 他感冒三天了。(have) He_______ _______ a cold______ three days. 8. 上星期我借的这本书。(keep) I ____ ______ the book_______ last week. 9. 布莱克先生去世三年了。(be dead) Mr. Black______ ______ ______ _____three years. has had for have kept since has been dead for 本课句型 Summary 我都 学会了! 过去动作对现在的影响/过去持续到现在的动作 标志词: already、yet、just、ever、never have/ has +过去分词 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？ the present perfect tense 过去分词变化规则 用法 构成 句型结构 规则变化：ed /d /辅+y变ied /双写+ed 不规则变化：AAA/ ABB / ABA/ ABC Basic (必做) Summarize the grammar knowledge of the present perfect tense. Improving(选做) 2.Use the present perfect tense to make five sentences about the reading experience in the past month. Extend (选做) 3.Make a poster to introduce a book you’ve just finished reading, including its content and your feelings. Homework Thank you ! $