完成时必须这样用 have+过去分词啊.
They've never been to Hawaii 为什么要用be的过去分词been?be不行吗?
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相关问题
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－I have never been to Hawaii. What about Mike? － .
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肯定句have has been to后面要加过去分词吗
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请问为什么要用having been separated?而不是用to be separated?
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Everything we've been through,I will never forget.I will be
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I ' ve never been to Beijing
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过去式和过去分词有什么不一样 如be的过去时were/was和过去分词been有什么不同处
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He's never been to Beijing,I've never been there,either.同意句型
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为什么?“现在完成进行时： have/ has been doing”为什么中间要有be的过去分词,怎么这样就表示完成进
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求解I've never been to Beijing和I've never go to Beijing
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be+过去分词+不定式=it+be+过去分词+从句吗