第三课时:Section A(Grammar Focus-4c)Unit 8 Have you read Treasure Island yet?现在完成现在完成时时(一)一)1.过去的动作对现在造成的影响或结果。和already ,never,ever,just,before,yet 等状语连用。2.过去开始,持续到现在的动作或状态,常与for 或since 引起的一段时间状语连用。动词构成:have/has+v 过去分词have breakfastI have just had my breakfast.( 现在我不饿)Im not hungry nowmoved herein 2004I still live hereI have lived here for three years.I have lived here since 2004/three years ago. now past现在完成时的结构 考点 1肯定句主语have/has动词的过去分词其他.eg: I have already finished my homework. 我已经完成了我的作业。否定句主语hav