一直搞不清楚perfect continuous 和present perfect的区别还有用法,一直搞不清楚perfect continuous 和present perfect的区别还有用法,请大神根据例题指教一下 谢谢
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![一直搞不清楚perfect continuous 和present perfect的区别还有用法,一直搞不清楚perfect continuous 和present perfect的区别还有用法,请大神根据例题指教一下 谢谢](/uploads/image/z/4140961-25-1.jpg?t=%E4%B8%80%E7%9B%B4%E6%90%9E%E4%B8%8D%E6%B8%85%E6%A5%9Aperfect+continuous+%E5%92%8Cpresent+perfect%E7%9A%84%E5%8C%BA%E5%88%AB%E8%BF%98%E6%9C%89%E7%94%A8%E6%B3%95%2C%E4%B8%80%E7%9B%B4%E6%90%9E%E4%B8%8D%E6%B8%85%E6%A5%9Aperfect+continuous+%E5%92%8Cpresent+perfect%E7%9A%84%E5%8C%BA%E5%88%AB%E8%BF%98%E6%9C%89%E7%94%A8%E6%B3%95%2C%E8%AF%B7%E5%A4%A7%E7%A5%9E%E6%A0%B9%E6%8D%AE%E4%BE%8B%E9%A2%98%E6%8C%87%E6%95%99%E4%B8%80%E4%B8%8B+%E8%B0%A2%E8%B0%A2)
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