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Present Perfect Present Perfect TenseTenseDesigner:Designer: 胡敏胡敏brush teethwash facetake a showerhave breakfastdo sportsread English aloudWhat have you done today?Present perfect tensePresent perfect tense 现在完成时• 结构结构 ::• 用法一：用法一：表示过去发生的某一动作对现在造成的影响或产生的结果。have/has + done( 过 去 分词 )I went to Beijing last year.I went to Beijing last year.pastpresentI have already been to Beijing.I have already been to Beijing.对现在的影响Exercises:1. I _________ already ________ (finish) my homework.2. She _____ just _______ (wash) the clothes, hasn’t she?3. I ________ never ________ (speak) to a Japanese.4. ________ you ever ________ (eat) fish and chips?5. --________ the train _________ ( arrive)? -- Yes, it has.6. So far,Li Lei_____________ (read) about 800 English words.7. ________ you _________ (pack) the clothes yet? -- Yes, I _______ already ______ (pack) them.8.In the last twelve months, they ____________ (have) three major concerts and _______ (make) a hit CD. 9. I ____________ (study) at this school for two years.10. Mr. Black __________ (be) in China since 1992.11. I __________ ( not see) the film before.12. Recently I ____________ (revise) 7 subjects.havefinishedhaswashedhavespokenHaveeatenHasarrivedhas readHave packedhavehave hadpackedhave studiedhas beenhaven’t seenhave revisedmade现在完成时的标志词：现在完成时的标志词： already 已经 ( 肯 ) yet 仍，还没 ( 否 / 疑 ) ever 曾经 never 从不 for ( 后跟一段时间 ) since 自从 so far (by now ) 到目前为止 just 刚刚 once( 一次 )/twice( 两次 )/three times( 三次 )… before 以前 recently 最近 in the past /last few days 在过去的几天• 用法二： for+ 一段时间 since+ 过去的时间点 since+ 从句（一般过去时）E.g. Kate has lived here for 3 years. Kate has...