Unit2 Grammar课件2023-2024学年牛津译林版英语八年级下册

Unit 2 Travelling Grammar 掌握本课时新单词及短语：sand, over, marry, dead, on the first day of, Ocean Park, dolphin show 1 5 学会短暂性动词在与for和since连用时的变化形式。 学会正确使用have/has been和have/has gone。 2 4 会根据不同的语境正确使用短暂性动词和延续性动词。 3 学会正确区分短暂性动词和延续性动词。 学习目标 Present perfect tense （现在完成时） **句型： 肯定：主语+have/has + 过分…. 否定：主语+haven’ t/hasn’t +过分…. 疑问：Have/Has +主语 +过分…? Revision *意义用法： 1.表示持续到现在的动作或状态； 2.表示之前已发生或完成的动作或状态， 其结果和现在有联系，它的影响现在还存在； 3.表示一个动作到现在为止发生的次数。 ***判断方法： 依据用法，结合句意判断； 依据一些副词或时间状语判断： 现在完成时常和already, ever, just, never, recently, yet等副词，以及since, for引导的时间状语连用。 用法1: 表示从过去某一时间开始到现在一直发生的动作。 Present perfect tense （现在完成时） Past Present Future Key words: since, for … I have lived in Xiawei since I was born. I have taught in our school for about 30 years. Present perfect tense （现在完成时） 用法2： 表示过去开始的动作或状态已经结束，但是对现在有影响。 Past Present Future Key words: already,yet,just, recently, before… Look! The blackboard is so clean now. He has already cleaned the blackboard. Present perfect tense （现在完成时） 用法3: 表示从过去到现在去过某地或做过某事的次数。 Past Future Present … Key words: once,twice,---times,ever,never---- I have been to Beijing twice. I have never seen such wonderful films. A. Using have/has been and have/has gone Has Hobo been to South Hill before? Yes, he has been to South Hill before. Has Kitty gone to Hong Kong Disneyland? Yes, she has gone to Hong Kong Disneyland. He went to South Hill and has already come back . She went to Hong Kong Disneyland but has not yet returned. Kitty and her parents have been to Hong Kong Disneyland They have been in Hong Kong for two days. John has been to the park. has been to has gone to John has gone to the park. has been in/at John has been at the park for two hours. have / has gone to … A B A B Work out the rule! express that someone went to a place and has already come back. It refers to an experience. + once/twice/before… express the idea that someone went to a place but has not yet returned. + for/since… have / has b