Unit 9 Section A ( Grammar Focus-4c ) 课件2022-2023学年人教版八年级英语下册

U9 Have you ever been a museum? Section A Grammar focus-4c 1. To learn the Present perfect tense with been to, ever and never; 2. To learn new words、expressions and sentences: German; theme; ride; province; a couple of; hear of; 1.--Have you ever been to a science museum? --Yes, I have. 2.--Have you ever visited the space museum? --No, I haven’t. 3.--I’ve never been to a water park. --Me neither. 3. To learn the different forms of the verbs in different tenses. Teaching objective Name the kinds of museums that you know. space museum computermuseum Task 1 Look at the pictures and talk in groups. Warm up 1 Where is it? 2 How many museums have you been to? 3 Which museum do you have the deepest impression（印象）on? Have you ever been to a science museum? Yes, I’ve been to a science museum./ No, I’ve never been to a science museum. Have you ever visited the space museum? Yes, I have. I went there last year. / No, I haven’t. I’ve been to the art museum many times. Me, too. And I’ve also visited the nature museum. I’ve never been to a water park. Me neither. Grammar Focus Presentation Grammar Focus 现在完成时 一、什么时候用？ 1. 表示过去发生的动作对现在有影响。 You have slained an enemy. 你击杀了一名敌人。 2. 表示过去某一时间开始并一直持续到现在的动作或状态。 He has played this games for five years. 他已经玩这个游戏五年了 past present future time 一般过去 过去进行 一般现在 现在进行 一般将来 将来进行 现在完成 Have you had your lunch yet? Yes, I have. I have just had it. (结果是现在我不饿了) 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。 一、现在完成时用法 Presentation 结构(肯定)： 主语+ have / has + 动词的过去分词 一般疑问句： Have / Has+主语+动词过去分词+ … ? Yes, 代词+ have/has. No, 代词+haven't/hasn't. 二、现在完成时构成 结构（否定）： 主语+ haven't / hasn't + 动词的过去分词 Presentation 11 孔隆教育 http://mykonglong.taobao.com 孔隆教育 http://mykonglong.taobao.com 11 基本结构、用法及标志词 结构 主语＋have/has＋动词过去分词 用法 表示过去发生的动作或已经完成的某一动作对现在造成的影响或结果。如： —Have you finished your homework yet? —No, I haven’t. 标志词 1. already, ever, never, just, yet, still, once, twice… 2. recently, lately,