Ancient stories【学习目标】1.在现在完成时中运用since或for引导的时间状语 2.掌握现在完成时与一般过去时的区别【重难点预测】重点：掌握现在完成时与一般过去时的区别难点：在具体语境中正确运用现在完成时【学习流程】、预习检测根据括号单词填空1. Have you ever_(take) a train?2. It _(be) more than three years since Jim_(leave) here.3. Have you _(make) friends with your new classmates yet?4. I _(have) my lunch and Im not hungry now.5. Jim has never seen a panda, _ he?、自主探究1.回顾现在完成时的结构:have/has(not)+P.P.(过去分词)2.在现在完成时中使用since，forI have not laughed like this since my childhood.The Greeks have tried to capture our city for ten years.归纳：在现在完成时中，since+时间点；for+一段时间。、合作交流用since或for完成下面句子。1. He has lived in Nanjing _ the year before last.2. Ive known him _ we were children.3. Our teacher has studied Japanese _three years.4. She has been away from the city_ about ten years.5. It has been about ten years_ she left the city.完成A1的练习。、知识梳理瞬间动词不能与“for+一段时间”连用表示动作的持续性，应改用持续性的词。如：He has left for five minutes. ()He has been away for five minutes. ()for 和since不能同时使用。Eg：Alice has lived in Beijing for twenty years since 1993. ()、师（生）总结反思: 收获策略 反思纠错与归纳1