Unit 8 Section A(4a～4c)语法课课件 2024-2025学年人教新目标英语八年级下册

Unit 8 Have you read Treasure Island yet? Section A (4a-4c) Have you read Little Women yet? -- Yes, I have. / No, I haven’t. Review Has Tina read Treasure Island yet? -- Yes, she has. / No, she hasn’t. Review Presentation Watch and fill Let's enjoy a video and fill in the blanks. I ____________(climb) the highest mountains. I __________(run) through the fields. Only to be with you. Only to be with you. But I still _____________(not find) what I'm looking for. But I still _____________(not find) what I'm looking for. But I still _____________(not find) what I'm looking for. have climbed have run haven't found haven't found haven't found What tense(时态) are these sentences? the present perfect tense (现在完成时) Summer has already come, Summer has already come, Will it still be far in Autumn? Will it still be far in Autumn? 肯定句 主语 + have/ has + 过去分词（pp） Summer has already come. Will it still be far in Autumn? 否定句 主语 + have/ has + 过去分词（pp） haven’t ( have not ） +过去分词 hasn’t ( has not ) +过去分词 e.g. I haven’t been to Beijing. He hasn’t seen his parents for two months. 疑问句 把助动词 have / has 放在句首 Has Linda had lunch today? Have you ever been to Shanghai? Presentation Look and say (一)、“现在完成时”--用法(定义) 1.表示_____发生或已经完成的某一动作对____造成的影响或结果。常与already, yet, just 等词连用。 过去 现在 I'm not hungry now. present past I had breakfast. I _____ already ____ breakfast. 早餐过去吃的，现在不饿。 现在完成时包含两层意思，一是动作是过去某个时间发生的；二是现在还存在过去动作的影响或结果。现在完成时即联系现在又说明过去。 have had Presentation Look and say Please use the structure “has/have done” to describe the following pictures, expressing the impact of a past action on the present past now future 影响 cleaned The room is clean now. They ___________ the room. have cleaned past now future 影响 saw the movie I know something about the movie. We _________ the movie. have seen I __________(eat) lunch . 我吃过午饭了。 have eaten I _________(make) some mistakes. 我犯了一些错误。 have made Presentation Look and say (一)、“现在完成时”--用法(定义) I still live here. present past I ____________ here for 35 years. 30年来一直生活在这里 I moved here in 1990. 2.表示动作或状态从_____某一时间开始并一直_____到_____，而且可能还要继续下去。 have lived 过去 持续 现在 Presentation Look and say past now future I am still living in Guangzhou now. lived in Guangzhou 7 years ago. I _________ in Guangzhou since seven years ago. have lived past now future I am still studying here now. studied in this school 2 years ago I ___________ in this school for two years. have studied 过去某一动作持续 到现在(可能会持续 下去)常与_____和____连用。 since for Presentation Look and say 2.过去某一时间开始并一直持续到现在的动作或状态(Something started in the past and continues in the present)。 (一)、“现在完成时”--用法(定义) I _________(be) your friends for years. have been He ___________(work) in the company since 2020. has worked 【特别提醒】如果要对 for 或 since 短语提问，疑问词用 how long。 — How long have you lived in this area? — For at least 10 years. Presentation Look and say (三)、“现在完成时”--时间副词(标志词) Have you read Little Women 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. 辨析already vs yet We have already finished our homework. already用于________，意为“______”，用于句中或句末 肯定句 已经 I haven’t read Little Women yet. She hasn’t come back yet. yet用于_______，意为“____________” 否定句 尚未；还未 Have you had lunch yet? yet用于_______，意为“_____”，用于句末 疑问句 已经 Presentation Look and say (三)、“现在完成时”--时间副词(标志词) 其它just, before, so far just（刚刚），before（以前；之前），so far（到目前为止）也可以用于__________，谈论刚刚发生的动作或者过去的经历。 现在完成时 Have you helped others before？你以前帮助过别人吗？ I have just helped a little kid. 我刚刚帮助了一个小孩。 I have never helped others before. 我之前从未帮助过别人。 before意思:_________, 用于_________， 位于_______ just意思:_____, 用于_______。 之/以前 各种句型 句尾 刚刚 肯定句 I have never made such a mistake __________. before My mom has cooked delicious food, so I can have a big dinner now. just 注意区别 just 和 just now ，两者都表示“刚刚”时，just用于完成时 .just now 用于__________。 一般过去时 现在完成时 PK 一般过去时 1.She has cleaned the room. 房子现在是干净的 2.She cleaned the room. 房子是否干净不知道 现在完成时：强调动作对现在产生了结果和影响 一般过去时：只表示过去的动作和状态 规则 变化 过去分词 1.直（一般情况下，在词尾直接加-ed） walk walked clean cleaned listen listened 规则 变化 过去分词 2.去（词尾是不发音的字母e的，去e加ed） dance danced agree agreed 规则 变化 过去分词 3.双（词尾为重读闭音节，结尾只有一个辅音字母的，应双写该辅音字母，再加-ed） stop stopped drop dropped 规则 变化 过去分词 4.改（词尾为辅音字母加y的，应将y改为i，再加-ed） study studied cry cried 不规则变化 AAA 型 cost-cost-cost cut-cut-cut hit-hit -hit hurt-hurt-hurt let-let-let put-put-put read-read-read set-set-set shut-shut-shut spread-spread-spread 不规则变化 ABB 型 hold-held-held spit-spat-spat dig-dug-dug shoot-shot-shot stand-stood-stood bring-brought-brought think-thought-thought fight-fought-fought get-got-got sit-sat-sat find-found-found meet-met-met feed-fed-fed win-won-won catch-caught-caught teach-taught-taught buy-bought-bought 不规则变化 ABB 型 make-made-made lend-lent-lent have/has-had-had send-sent-sent spend-spent-spent build-built-built spill-spilt-spilt mean--meant--meant spoil--spoilt--spoilt feel--felt—felt leave--left--left keep--kept--kept sleep--slept--slept sweep---swept--swept 不规则变化 ring-rang-rung sing-sang-sung drink-drank-drunk sink-sank-sunk swim-swam-swum begin-began-begun eat-ate-eaten see-saw-seen ABC 型 fall-fell-fallen give-gave-given drive-drove-driven rise-rose-risen hide-hid-hidden take-took-taken mistake-mistook-mistaken 不规则变化 be(am, is)-was-been are-were-been draw-drew-drawn blow-blew-blown know-knew-known grow-grew-grown throw-threw-thrown show-showed-shown ABC 型 break-broke-broken speak-spoke-spoken choose-chose-chosen freeze-froze-frozen steal-stole-stolen write-wrote-written ride-rode-ridden forget-forgot-forgotten wear-wore-worn 不规则变化 ABA型 AAB型 beat---beat---beaten come-came-come become-became-become run-ran-run Presentation Read and fill 4a Use the words in brackets to complete the conversations. 1. A: Would you like something to drink? B: No, thanks. ______________________. (just/drink some tea) 2. A: I heard you lost your key. ____________________? (find) B: No, not yet. 3. A: Do you know when Tom is leaving? B: ____________________. (already/leave) A: When ______________? (leave) B: This morning. 4. A: Is your sister going to the movies with us tonight? B: No. __________________________. (already/see the film) 5. A: What do your parents think about our plan? B: I _________________________ . (not/tell them/yet) I’ve just drunk some tea Have you found it yet He has already left did he leave She has already seen the film haven’t told them yet drink-drank-drunk find-found-found leave-left-left see-saw-seen tell-told-told Tip 1. Read the context (上下文). Tip 2. Pay attention to the clue words “adverbs of time ”(时间状语) Presentation Read and fill 4a Use the words in brackets to complete the conversations. 1. A: Would you like something to drink? B: No, thanks. ______________________. (just/drink some tea) 2. A: I heard you lost your key. ____________________? (find) B: No, not yet. 3. A: Do you know when Tom is leaving? B: ____________________. (already/leave) A: When ______________? (leave) B: This morning. 4. A: Is your sister going to the movies with us tonight? B: No. __________________________. (already/see the film) 5. A: What do your parents think about our plan? B: I _________________________ . (not/tell them/yet) I’ve just drunk some tea Have you found it yet He has already left did he leave She has already seen the film haven’t told them yet drink-drank-drunk find-found-found leave-left-left see-saw-seen tell-told-told Tip 1. Read the context (上下文). Tip 2. Pay attention to the clue words “adverbs of time ”(时间状语) 4c Complete the chart with information about you and a friend. What do you think of them? Well, I think Harry Potter was exciting, but Tom Sawyer was a bit boring. What books have you already read? I’ve already read Tom Sawyer and Harry Potter. Experiences You Your friend Comments Books I have already read Movies I have already seen Songs I have already heard SEE YOU $$