Unit 8 Section A Grammar Focus-4c 课件 2024-2025学年人教版英语八年级下册

Unit 8 Section A Grammar Focus-4c Have you read Treasure Island yet? Find the structure “have/has + done” in the chart. Have/Has + sb. + 动词过去分词? Question Answers Yes. sb. have/has. No. sb. haven’t/hasn’t. 肯定句： 现在完成时(Present Perfect Tense) Sb. have/has + done(动词过去分词) 否定句： Sb. have/has not + done(动词过去分词) Find the structure Have you read Little Woman yet? Yes, I have. / No, I haven’t. Has Tina read Treasure Island yet? Yes, she has. She thinks it’s fantastic. Have you decided which book to write about yet? Yes, I have. I’ve already finished reading it. It was really good. Circle the forms of "done" (______) read--_______--________. 阅读 read read (______) decide--_________--________. 决定 decided decided (______) finish--_________--________. 完成 finished finished 过去式 过去分词 meaning Find the rule of Verb changing. 动词过去分词形式的变化规则 动词过去分词的规则变化：________________________ destroy → _______ → _______ work → _______ → _______ taste → _______ → _______ like → _______ → _______ study → _______ → _______ copy → _______ → _______ stop → _______ → _______ plan → _______ → _______ destroyed destroyed worked worked tasted tasted liked liked studied studied copied copied stopped stopped 与该动词的过去式相同 一般情况下直接 + ed 以不发音e结尾的直接+ d planned planned 以辅音字母+y结尾的，把y变i 再 + ed 以重读闭音节“辅元辅”结构结尾的， 双写尾字母，再+ed Find the time marker. What 's the difference between already and yet? 1.Has Tina read Treasure Island yet? Yes,she has.She thinks it's fantastic. When do we use the present perfect tense? Does Tina know the story now? Does Steve know the story of little women now? 现在完成时用法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。 past I had breakfast. I'm not hungry now. present I have already had breakfast. （早餐过去吃的，现在不饿。） When do we use the present perfect tense? Read and translate (翻译) to understand the use of the tense. 2023 started learning English 2025 learning 2 years have learned English I started learning English in 2023 . （一般过去时） （现在进行时） （现在完成时） I am learning English these days. I have learned English for two years. The time of learning English time 用法2： 1. I went home at 10:00 yesterday. 2. I have got home now. 1. I finished my homework an hour ago. 2. I have already finished my homework. Tell the differences. 1. It’s a simple description of a past event with a specific past time. 2. It’s about what the situation is now. Time in the past Have you found it yet? He has already left. did he leave? She has already seen the film. haven’t told them yet. joined have read started have learned bought hasn’t listened have listened sing saw hasn’t had P64 loves has read will be finished will write hasn’t read $$