Unit 7 Section A Grammar Focus课件 2025-2026学年人教版英语八年级下册

该初中英语课件聚焦现在完成时，通过定义分类（过去动作对现在影响、延续动作、反复动作）及与一般过去时对比导入，以结构填空、标志词辨析、动词形式练习为支架，帮助学生构建从概念到应用的知识脉络。 其亮点在于结合情境化练习（如4b对话补全、4c语篇填空）和中考真题，提升语言能力与学习能力，作业采访活动培养思维品质。学生能在实际交流中运用语法，教师可借助系统练习与真题资源高效教学。

Unit 7 A Good Read Section A 1a-1d 1. master the structure(结构) and usage(用法) of present perfect tense(现在完成时). 2. differentiate(区别) between simple past tense(一般过去时) and present perfect tense(现在完成时). 3. apply the present perfect tense(现在完成时) in real-life situations(情境). Learning aims: Read the sentences and underline the present perfect forms of the verbs. Pay attention to the meanings of the bold words. 4a 现在完成时 1.定义：表示①过去发生或已经完成的动作对现在造成的影响(②过去某一刻开始，一直延续到当下，可能刚刚结束或仍在继续对现在造成的影响或③反复发生的对现在造成的影响)。 Yaming has read Harry Potter books. I have just finished Alice’s Adventures in Wonderland. I have watched the movie. I have always loved fantasy books. I have read Harry Potter many times(次). ※与过去式的区别(哪个是一般过去式/现在完成时？区别？)： I joined a reading club. I have joined a reading club. ① ① ② ① 过去读/看的，现在还记得情节。 过去喜欢，后来持续喜欢，现在仍然会选择这类书籍观看。 ③ 反复阅读，对现在的影响是喜欢并且还会去阅读。 一般过去时 现在完成时 只是过去加入，现在不在俱乐部了。 过去加入，现在仍然在俱乐部。 2.意义:已经......了(或一直)。 请翻译下列句子： ① Yaming has read all of Harry Potter books. ②I have finished Alice’s Adventures in Wonderland. ③I have watched the movie. ④I have always loved fantasy books. ⑤ I have read Harry Potter many times(次). ⑥Have you ever read Journey to the West? 亚明已经读过《哈利波特》系列书籍了。 我已经读完《爱丽丝漫游仙境》了。 我已经看过这个电影了了。 我一直喜欢读幻想类书籍。 我已经读过《哈利波特》很多次了。 你已经读了《西游记》？ 3.结构：have/has done 主语为：I,you,复数 主语为单数 请用have或has填空 动词过去分词 原形 过去式 过去分词 finished the book report. I______ We______ You______ He______ She______ They______ The Zhangs______ Lisa______ Peter______ Lisa and Peter____ My friends______ have have have has has have have has has have have 判断句子中动词的形式：I dreamed a bad dream last night and I have dreamed to be a writer. 过去式 过去分词 1. 一般情况下，直接在动词词尾加上ed。 talk--- talked play---played work --- worked 2. 动词词尾为不发音的字母e时，直接在词尾加上d。 live ---lived hope---hoped close---closed 3. 动词以重读闭音节结尾，且末尾只有一个辅音字母时，先双写这个辅音字母，再加上ed。 plan---planned stop---stopped shop---shopped 4. 动词词尾为辅音字母加y时，先将字母y改为字母i，再加上ed。 cry---cried try---tried 规则动词的过去分词 写出下列动词的过去式与过去分词 protect—protected—protected begin-began-begun dance—danced—danced teach-taught-taught try—tried—tried allow-allowed-allowed stop—stopped—stopped know-knew-known watch-watched-watched decide-decided-decided finish-finished-finished realize-realized-realized is/am-was-been are-were-been do-did-done go-went-gone 3.结构：have/has done （以Peter has finished his book report.为例） 肯定句：Peter has finished his book report. 否定句: Peter hasn’t finished his book report. I have=I’ve she has=she’s have not=haven’t Has not=hasn’t 一般疑问句：Has Peter finished his book report? 特殊疑问句：What has Peter finished? ※练习： 请写I have read Journey to the West?的肯定句、否定句、一般疑问句和特殊疑问句。 常见句式： 1.I have done...我已经... 2.Have you ever ...?你曾经......过吗？ 3.have been to去过 have gone to去了（在去的路上或已经到了） 4.标志词：already(已经) never从未 ever 曾经(疑问句) yet还(否定)；已经(疑问句) just(刚刚) 注意：现在完成时不能与表示过去的词连用，比如 yesterday, in 1999.two year ago等 圈出下列句子的现在完成时标志词并翻译句子。 I have never read Journey to the West. Have you ever read Journey to the West? Have you finished your book report yet? I haven’t finished my book report yet. I have already finished my book report. I have just finished my book report. 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! 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 _______ started writing my report. ever never already yet already 曾经 从未 刚刚 已经 还;已经 3. A: I've _______ read a classic(经典的) novel(小说) 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! never just 逃犯、不法之徒 沼泽、湿地 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. 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! Have tried decided began have read taught allowed knew realized Exercise 1.(英译中)I have chosen Journey to the West for my book report. 我已经选择《西游记》来做我的读书报告。 2.(中译英)我已经看了3本幻想类书籍。 I have already read three fantasy books. 3.She___ The Three-Body Problem yet.She plans to buy one. A. have read B.has read C.hasn’t read 4.She ____The Three-Body Problem two years ago. A. has watched B.have watched C.watched C C 1. The three astronauts (宇航员) of Shenzhou XIII ________ back to Earth successfully. A. will return B. is returning C. have returned 2.—________ you ________ your homework yet? —Yes. I ________ it a moment ago. A. Did; do; finished B. Have; done; finished C. Have; done; have finished 3. —Where's Ben? —He is________ to the library. A. has been B. has gone C. went 4. —Does Jenny like this book? —Sure. She ________ it twice. A. is reading B. will read C. has read C 中考真题 B B C Interview your classmates and find out who has done these activities. Name：______________ Yes No 1. Have you read all four Chinese literary classics(四大名著)?   2. Have you watched a movie based on a novel?   3. Have you read a book in a different language?   4. Have you read a book more than twice?   5. Have you read a book with more than 500 pages?   6. Have you joined a reading club?   Homework 15 $