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皇仓华鑫学校初中部集体备课《教案》卡 主备人 科目 王永嫦 英语 年级 八年级 课题内容 课型 新授 课时 Section A (Grammar focus – 4c) 第三课时 周次 ★ 知识目标 掌握现在完成时的用法 ★ 能力目标 教学目标 正确区分现在完成时与一般过去时 正确运用for 和since的用法 ★ 情感目标 正确处理并充分利用自己的废旧物品。 重、难点 教学方法 现在完成时的运用 小组导学 教学过程设计 教师活动（精讲） 学生活动（多练） 个性化处理 Step 1 Group work 出示下面的典型例句，让学生们先自己观察句子结构，对比现在完成时和一般过去时的不同。 1. — How long have you had that bike over there? 那边的那辆自行车你买了多长时间了？ — I’ve had it for three years. 我买了三年了。 2. How long has his son owned the train and railway set? 他的儿子拥有这套轨道火车多长时间了？ He’s owned it since his fourth birthday. 自他四岁生日起，他就拥有了它。 3. Have you ever played football? 你曾经踢过足球吗？ Yes, I did when I was little, but I haven’t played for a while now. 是的，当我很小时就踢过，但是现在我有好长一段时间没有踢了。 Step 2 精讲点拨 现在完成时 表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用，如“for + 时间段”、“since + 过去时间点”、“since + 过去时的从句”、“since + 一段时间 + ago”。且for与since引导的时间状语可以相互转换。 e.g. My uncle has worked at this factory for ten years. = My uncle has worked at this factory since ten year ago. I’ve lived here since 1990． 自从1990年以来我就住在这里。 I haven’t seen him for three years. 我三年没有看见他了。 She’s been at this school since five years ago. 自从五年前以来她就在这个学校。 Step 3 4a Rewrite the sentences using for or since 1. Jim is in Japan. He arrived there three years ago. Jim has been in Japan for three years. 2. They are very hungry. Their last meal was ten hours ago. They have been hungry for ten hours/since ten hours ago. 3. I have a camera. I bought it in 2009. I have had a camera since 2009. 4. I know Ann. I first met her three years ago. I have known Ann for three years/since three years ago. 5. Linda is ill. She became ill on Monday. 本文来源：https://www.dywdw.cn/8aaf69d8ff00bed5b8f31d33.html
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2022-10-30
