第一個是被動形式,已經被完成
第二個是主動形式,一直在做,可能停止,也可能繼續(xù)做下去劍橋中級英語語法里面有一個單元，給了一個例句：They have been married for 20 years. 用了have been done這個形式，為什么不是They have been marring for 20 years? 或者They have married for 20 year. 而用了被動語態(tài)have been done，非常疑惑這個關鍵在于marrybe married with someone 表已婚marrying (with) someone 表正在結婚可以理解為marry是瞬間的不是一直在嫁如果因為marry是瞬間動詞，是不是只要是瞬間動詞，have been doing 都要變成have been done的形式？
have been done 和 have been doing
have been done 和 have been doing
劍橋中級英語語法里面有一個單元，給了一個例句：They have been married for 20 years.用了have been done這個形式，為什么不是They have been marring for 20 years?或者They have married for 20 year.而用了被動語態(tài)have been done，非常疑惑
劍橋中級英語語法里面有一個單元，給了一個例句：They have been married for 20 years.用了have been done這個形式，為什么不是They have been marring for 20 years?或者They have married for 20 year.而用了被動語態(tài)have been done，非常疑惑
英語人氣：249 ℃時間：2019-10-31 00:32:48
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