Unit 8 Section B (3a～Self Check) 课件 2023-2024学年人教版英语八年级下册

Unit 8 Have you read Treasure Island yet? Section B (3a~Self Check) 新课导入 Discussion Do you have a favorite singer or band? Do you have a favorite song? What facts do you know about your favorite singer, band or song? 2 1 能写一篇有关自己喜欢的作家或歌手的短文及相关评论 能正确使用现在完成时 学习目标 预习检测 1. —Will Jenny come tomorrow? —I’m not sure. She ______ an hour ago without saying anything. A. has left B. left C. leave D. will leave 2. They have already ______ here. Let’s hurry to prepare. A. arrived B. reach C. arrived in D. get to 3. —Excuse me, look at the sign NO PHOTOS! —Sorry, I ________it. A. don’t see B. didn’t see C. haven’t seen D. won’t see B A B 4. — That’s a nice mobile phone. — Yes, my aunt _______ it for me last birthday. A. buy B. will buy C. have bought D. bought 5. — ________ have you been at this school? —Since 1990. A. How long B. How much C. How soon D. How often A D 知识梳理 New words 1. introduce v.介绍，引荐 introduce sb. to sb. 把某人介绍给某人 introduce oneself. 介绍自己 e.g. Hello, everyone. First, let me introduce myself. Can you introduce them to me? 2. line n. 行；排 v. 排队 短语： out of line 不成一直线；不一致；出格。 bottom line 底线 along the same line 沿着同样的路线 line up 排队 e.g. Please line up one after another. 请按顺序排队。 The ball went over the line.球越线出界了。 重点探究 巩固现在完成时 Group work 以小组为单位，回忆现在完成时的用法，每个小组派一个代表发言。 小组展示 1 组 2 组 3 组 4 组 探究一 Revisoin 现在完成时 用法： 1.表示到现在为止已经完成或刚刚完成的动作。 标志时间状语: already, yet, just 肯定句：主语 + have/ has + 过去分词+... 否定句:主语+haven't ( have not) +过去分词… 主语+hasn't ( has not ) +过去分词... 疑问句:Have / Has+主语+过去分词...? —Have you finished your homework yet? —Yes,I have./No,I haven't. I haven’t finished my homework yet. I have already finished my homework. 现在完成时句型结构 结构 already “已经”, 常用于肯定句中. 一般置于助动词have/has与过去分词之间, 也可以放在句末。 I have already seen the film. I have finished my homework already. yet,在现在完成时句型中常置于句末。 1) “已经”, 常用在疑问句。Has Linda read the book yet? 2)“还, 仍然”, 常用于否定句。T