2019届高三英语一轮复习---外研版B1 M4 A Social Survey the present perfect tense教学课件 (共28张PPT)

Grammar and Usage The Present Perfect Tense B1M4 A Social Survey Have you ever Have you ever loved somebody so much It makes you cry Have you ever needed something so bad You can't sleep at night. Have you ever tried to find the words But they don't come out right Have you ever, have you ever Have you ever been in love so bad You'd do anything to make them understand Have you ever had someone steal your heart away You'd given anything to make them feel the same Lead-in: 一般疑问句： Have/Has+ 主语 +done? 现在完成时结构 肯定句： 否定句：主语 + haven't/hasn't + done 特殊疑问句：特殊疑问词+ have/has+ 主语 +done？ 主语 + have/has + done 现在完成时概念 用来表示之前已发生或完成的动作或状态，其结果的确和现在有联系。动作或状态发生在过去但它的影响现在还存在；也可表示持续到现在的动作或状态。 In what situations can we use the present perfect tense ? Jack, do your homework please. Mom, I have already done it. 语法体验一： What has just happened to him ? He has just lost his job. What has just happened to her ? She has just got a love letter. I have already done the homework. I haven’t read that book y