Unit 9 Section A 课时3.Grammar Focus,4a-4b-【101教育PPT】初中八年级英语下册同步教学课件（人教版）

Grammar Focus, 4a–4b Have you ever been to a museum? 【教学目的】 1、师生问候。 2、展示课题，Have you ever been to a mseum?。 3、展示学习目标。 【讲稿内容】 【1】Class begins. 【2】【学生可能回答】Stand up, please! 【3】Hello, boys and girls. 【4】【学生可能回答】Hello, teacher. 【5】Sit down, please! 【6】【学生可能回答】Thank you! 【7】Today we're going to keep learning this unit. 【8】Have you ever been to a museum? 【9】This is the third period. 1 Learning Objectives By the end of the class, you’ll be able to: 1. use present perfect tense correctly； 2. tell the difference between present perfect tense and simple past tense. 【教学目的】 1、展示学习目标。 【讲稿内容】 【1】By the end of the class, you will be able （点击动画）to use present perfect tense correctly. 【2】（点击动画）And tell the difference between present perfect tense and simple past tense. 2 Have you ever been to a science museum? Grammar Focus Have you ever visited the space museum? I’ve been to the art museum many times. I’ve never been to a water park. Yes, I’ve been to a science museum./ No, I’ve never been to a science museum. Yes, I have. I went there last year./ No, I haven’t. Me too. And I’ve also visited the nature museum. Me neither. 【教学目的】 1、展示学习目标。 2、通过跟读Grammar Focus的句子，熟悉含有been的现在完成时的陈述句、一般疑问句及其回答；含有ever的现在完成时的一般疑问句及其回答；含有never的现在完成时的句子。 【教学方法】 1、跟读练习法 【讲稿内容】 【1】Now let's start. 【2】Please open your book. 【3】Look at Grammar Focus. 【4】Firstly, please read the sentences after me. 【5】（点击动画）Have you ever been to a science museum? 【6】（点击动画）Yes, I've been to a science museum. 【7】No, I've never been to a science museum. 【8】（点击动画）Have you ever visited the Space Museum? 【9】（点击动画）Yes, I have. 【10】I went there last year. 【11】No, I haven't. 【12】（点击动画）I've been to the art museum many times. 【13】（点击动画）Me too. And I've also visited the nature museum. 【14】（点击动画）I've never been to a water park. 【15】（点击动画）Me neither. （课堂活动） 【16】Very good. 3 Grammar 现在完成时 现在完成时由“have/has + 过去分词” 构成 Have you had lunch yet? Yes, I have. I’ve just had it. 你（已经）吃午饭了吗？我刚刚吃过。（现在我不饿了） 表示动作发生在过去某个不确定的时间, 但是对现在留下了某种影响和结果。常被 ju