Unit5 Grammar 现在完成时课件-2025-2026学年沪教版英语八年级上册

该初中英语课件聚焦八年级上册U5现在完成时的运用，从2022-2025年中考考情分析切入，通过知识诊查、分模块讲解（定义、结构、过去分词变化等）及巩固练习，构建“考情-基础-进阶”的学习支架，帮助学生衔接已知时态与现在完成时的核心知识点。 其亮点在于融合语言能力（语境化练习如完成句子、单项选择）、思维品质（易混词对比如since/for、have been to/gone to辨析）和学习能力（规则总结表与实例结合），通过中考真题导向的分层训练，提升学生实际运用能力，教师可借助系统模块设计高效开展针对性教学。

八年级上册 U5 现在完成时的运用 天文宇宙 JIAO YU JIAOXUE 中考真题考情分析 2022—2025 现在完成时考频分析： 考试年份 考察题型 总结分析 2022 语法选择、完成句子 1. 必考地位：现在完成时为广州中考每年必考时态，覆盖语法选择、完形填空、完成句子等题型。 2. 核心重点：延续性动词转换、时态结构、时间状语搭配、与其他时态的辨析是高频考点。 3. 命题趋势：注重语境理解，减少明显时间标志词，强调时态在实际语境中的综合运用。 2023 语法选择、完型填空 2024 语法选择、完成句子 2025 语法选择、完成句子 天文宇宙 JIAO YU JIAOXUE 知识诊查 一、单项选择 1. -- Has he ____ visited the USA? -- No, he hasn’t. He has ____ been to the USA. A. ever, ever B. ever, never C. never, never D. never, ever 2. -- You are good at English. -- Thank you. I ____ English since I was a little boy. A. have learnt B. learn C. learnt D. am learning 3. -- What do you think of the film Anne of Green Gables? -- It’s fantastic. I ____ it many times already. A. see B. will see C. have seen D. am seeing B A C 天文宇宙 JIAO YU JIAOXUE 知识测试 一、单项选择 4. Mr. Li is not at home. He ____ to Shanghai. A. have been B. has been C. have gone D. has gone 二、完成句子 5. 他从未出国旅行过。 He __________ __________ __________ abroad. 6. 我们已经吃过午餐了。 We __________ _________ __________ dinner. 7. 到目前为止，他已经读了三本书了。 _________ _________, he _________ _________ _________ three books. D has never travelled have already had So far has already read 天文宇宙 JIAO YU JIAOXUE 现在完成时的定义 过去→现在（影响/结果） 1. She has been ill for three days. So she didn’t go to school. 她已经生病三天了，所以没去上学。 2. We have known each other since we were children. 我们从小就认识彼此了。 过去→现在（持续） 定义： 1. 表示过去发生的动作对现在造成的影响或结果。 2. 表示从过去某一时间开始一直持续到现在的动作或状态。 have/has +done (动词的过去分词） 天文宇宙 JIAO YU JIAOXUE 动词的过去分词（规则变化） 1. I have finished my homework. 2. She has cleaned her room. 动词过去分词的规则变化规律与动词过去式的规则变化规律一致，一般情况下直接在动词词尾加“ed”。 类型 变化规则 实例 规则动词 work→worked； visit→visited live→lived study→studied；cry→cried stop→stopped；drop→dropped 一般动词，在词尾直接加“ed” 以“e”结尾的动词，只在词尾加“d” 以“辅音字母+y”结尾的动词，将“y”变为“i”，再加“ed” 重读闭音节结尾，末尾只有一个辅音字母，先双写末尾辅音字母， 再加“ed” 天文宇宙 JIAO YU JIAOXUE 动词的过去分词（规则变化） 用词的适当形式填空 1. I have never _________ (play) the piano. 2. She has _________ (finish) her homework already. 3. We haven't _________ (watch) that movie yet. 4. They have _________ (live) in London for five years. 5. He has __________ (study) here for five years. played finished watched lived studied 天文宇宙 JIAO YU JIAOXUE 动词的过去分词（不规则变化） 1. She has spoken English with her teacher for 20 minutes. 2. The students have written down all the important notes in class. 动词原形 过去式 过去分词 中文释义 do did done 做 have had had 有，吃 be was/were been 时 take took taken 拿，取 make made made 制作，使 see saw seen 看见 eat ate eaten 吃 know knew known 知道 speak-spoke-spoken 说 write-wrote-written 写 天文宇宙 JIAO YU JIAOXUE 现在完成时常见的标志性单词 时间标志性单词 since 自从 for 持续 since then 从那以后 so far 到目前为止 ever 曾经 already 已经 up to now 直到现在 recently/ lately 最近 yet 还 over the years 多年来 次数的表达（twice “两次”等) in the past/last few years 在过去的几年 just 刚刚 天文宇宙 JIAO YU JIAOXUE since & for 的区分 I have studied here since 2020. She has been a teacher since three years ago. He has learnt English since he was five. for 的用法 since + 时间点 since + 时间段 + ago since + 一般过去时的句子 since 的用法 I have learnt English for ten years. since + 时间段 天文宇宙 JIAO YU JIAOXUE since & for 的区分 选用 for 和 since 填空 1. We haven't seen each other ______ a long time. 2. His father has been in the Party ______ 10 years ago. 3. The film has been on ______ 20 minutes. 4. Mr Green has worked here ______ he came to China. for since for since 天文宇宙 JIAO YU JIAOXUE ever & never / already & yet 的区分 She has ever seen the film. Have you ever seen the film? I have never seen the film. already & yet 的用法 ever 表 ”曾经“ 常用于肯定句和疑问句句中 ever & never 的用法 I have already seen the film. She has changed her idea twice already. never 表 ”从不“ 常用于构成否定句，放在句中 already 表 ”已经“ 常用于肯定句，放在句中或句末 I haven’t seen the film yet. Have you seem the film yet? 用于否定句 表 ”还没、仍未“ 用于疑问句 表 ”已经“ 天文宇宙 JIAO YU JIAOXUE ever & never / already & yet 的区分 用 never, ever, already, or yet 填空 1. I have ______ seen him before, so I have no idea about him. 2. Jack has ______ finished his homework. So he has time to do other things now. 3. — Have you ______ seen the film? — No, I have ______ seen it. 4. — Has the bus left ______? — Yes. never already ever never yet 天文宇宙 JIAO YU JIAOXUE 现在完成时的句式转换 肯定句：He has gone to Beijing. 否定句 He hasn't gone to Beijing. 一般疑问句：Has he gone to Beijing? 肯定/否定回答：Yes，he has. / No，he hasn’t. 特殊疑问句：Where has he gone to? has/have + not (hasn’t / haven’t) has / have 提前 Yes,...has/have No,... hasn’t / haven’t 特殊疑问词 + 一般疑问句？ I’ve = I have He’s = He has 天文宇宙 JIAO YU JIAOXUE 现在完成时的句式转换 They have finished reading the book. 否定句：They haven’t finished reading the book. 一般疑问句：Have they finished reading the book ? 肯定回答：Yes, they can. 否定回答：No,they can’t. 就划线部分提问：What have they finished doing? 天文宇宙 JIAO YU JIAOXUE have been in & have gone to & have been to 辨析 I have been to Beijing twice. 我去过北京两次。 —— Where is Tom? —— He has gone to Beijing and he will be back soon. ——汤姆在哪里？ ——他去北京了，很快就会回来。 He has been in Beijing for ten years. 他已经在北京待了十年了。 have been to “去过” （已经回来了），常搭配次数使用 have gone to “去了” （去了未回），常在语境当中考察 have been in “待在” 常搭时间段使用 天文宇宙 JIAO YU JIAOXUE have been in & have gone to & have been to 辨析 1. --- Where is Mr. Wang? --- He ______ Zhuyuwan Park together with his students. A. has gone to B. have gone to C. has been to D. have been to 2. I ______ to Paris several times. And I don't want to go there this year. A. went B. have gone C. have been D. was going 3. My parents ______ Shandong for ten years. A. have been in B. have been to C. have gone to D. have been A C A 天文宇宙 JIAO YU JIAOXUE 瞬间动词转化成延续性动词 天文宇宙 JIAO YU JIAOXUE Summary ① 现在完成时的定义 ② 现在完成时的结构 ③ 过去分词的规则变化 ④ 现在完成时的标志性单词及区分 ⑤ 现在完成时的句式转换 ⑥ 现在完成时的三大短语区分 天文宇宙 JIAO YU JIAOXUE 巩固练习 1. I ______ this book for two weeks. I have to return it now. A. borrowed B. have borrowed C. have kept D. has kept 2. — Where is Tom? — He has ______ left for Shanghai. A. ever B. never C. just D. yet 3. The environment ______ in our city recently. A. improved B. improves C. is improving D. has improved 4. — Where is your father? — He ______ Beijing. He ______ there last month. A. has gone to; went B. has gone to; has gone to C. has been to; has gone to D. has been to; went C C D A 天文宇宙 JIAO YU JIAOXUE 巩固练习 5. No hurry! The play ______ yet! A. hasn't begun B. will not begin C. doesn't begin D. didn't begin 6. 汤姆已经买新手机了吗？ __________ Tom__________a new mobile phone __________? 7. 这本书我已经借过三次了。 I __________ __________ __________ this book three times. A Have bought yet have already borrowed 天文宇宙 JIAO YU JIAOXUE A Sea of flowers in spring Thank You ! 天文宇宙 JIAO YU JIAOXUE $