过去分词和现在分词的完成被动式作状语时有什么区别 10. ________ many times, he finally

过去分词和现在分词的完成被动式作状语时有什么区别 10. ________ many times, he finally understood it.
zyhvip 1年前 已收到2个回答 举报
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osttkoko 幼苗

共回答了23个问题采纳率：100% 举报

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After thought for a many times.he finally understood it.
只是时态的区别呀,举个例子
The book have been read by me just now after several days' reading.
The book had been read by me before when i was on my way back to home.

1年前

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黑子8425 幼苗

共回答了1个问题 举报

现在分词完成被动式与过去分词的区别
现在分词的完成被动式有两个特点：一是表示完成，二是表示被动。如：
Having been bitten twice，the postman refused to deliver ourletters unless we chained our dog up.邮递员被狗咬了两次之后要我们把狗拴起来，不然就不给我们送信了。
...

1年前

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