teacher. He has been to many foreign countries.Р ［析］ have gone to 是到某地去了，此人此时此刻不在这里。have been to 是到过某地，此时此刻此人在说话现场。Р ［误］ I have borrowed this book for two weeks.Р ［正］ I have kept this book for two weeks.Р ［析］截止性动词有完成时态，但不行和与表达一段时间的时间状语连用。如：When I got to the cinema the film had begun. 但要讲When I got to the cinema the film had be on for five minutes 这样的用法还有buy， join， die， 如：I bought this book yesterday.我昨天买的这本书。 I have had this book for two days. 这本书我已买了两天了。Р I joined the club two years ago.两年前我参加了这个俱乐部。Р I have been in this club for two years. 我参加这个俱乐部已两年了。Р My father died five years ago. 我父亲是5年前去世的。Р My father has been dead for five years. 我父亲已去世5年了。Р ［误］ Have you understood the lessons？Р ［正］ Do you understand the lessons？Р ［析］ 有些动词不易用完成时态，它们是understand， think， believe， know 〔知道〕
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