Unit1 Grammar课件2023-2024学年牛津译林版英语八年级下册

8B Unit 1 Grammar Present perfect tense 1 Language Goal 1.To master the structure and basic usage of present perfect tense.（掌握过去式与完成时区别。现在完成时的基本结构、用法。) 2.To learn the rules of forming the past participle of verbs.（学习动词的过去分词变化规则。） 3.To learn some time expressions usually used in PPT.（学习常用在现在完成时里的时间表达方式。) 新知学习 课堂小结 当堂检测 学习目标 重点研讨 Free talk What do you know about Mr Chen and Sunshine Town? Mr Chen has lived in Sunshine Town since he was born. Mr Chen has moved to a new neighbourhood. He and his wife have lived in this area since 1965. The town has changed a lot over the years. The government has turned part of the town centre into a new park. … the present perfect tense 新知学习 课堂小结 当堂检测 学习目标 重点研讨 Present perfect tense We use the present perfect tense to talk about an action that started in the past and continues to the present. I have lived here since I was born. 新知学习 课堂小结 当堂检测 学习目标 重点研讨 1. We use the present perfect tense to talk about an action that started in the past and continues to the present. 表示过去开始持续到现在的动作。 现在完成时的意义(meaning) 我们已经学英语八年了。 We have learnt English for eight years. 他在我们学校教书已有十年了。 He has taught in our school for ten years. 自上个星期以来他一直很忙。 He has been busy since last week. 他毕业以后就一直为我们工作。 He has worked for us since he left school/ graduated. 新知学习 课堂小结 当堂检测 学习目标 重点研讨 We use the present perfect tense to talk about an action that happened in the past and has a connection with the present. Eddie has just eaten Hobo's food. (Eddie ate the food, and now Hobo has nothing to eat.) We also use the present perfect tense to talk about how many times an action has happened till now. I have already read this book many times. 新知学习 课堂小结 当堂检测 学习目标 重点研讨 2. We use the present perfect tense to talk about an action that happened in the past and has a connection with the present. 表示发生在过去、对现在有影响的动作。 现在完成时的意义(meaning) 他已离开这个城市。 He has already left the city. (结果：他不在这个城市了。) 我最近已经看过这部电影了。 I have seen this film