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    • —How long have you had the bike?—Since last week什么时态

    为什么用have和had？拜托了，帮帮忙

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    推荐答案   2012-09-13
    How long have you had the bike?—是现在完成时，结构： have/ has + 过去分词

    翻译： 这辆自行车你买多久了？

    祝你学习进步，更上一层楼！ (*^__^*)
    不明白的再问哟，请及时采纳，多谢！追问

    谢谢，我想问一下为什么用have和had
    其实这道题是选择题：A.did;buy B。have；bought C,did；have D.have；had
    为什么选D?

    追答

    从 since 看问句要用现在完成时， B, D
    how long 跟持续性动词,排除 B have bought, buy 是终止性动词

    温馨提示：答案为网友推荐，仅供参考
    其他回答
    第1个回答  2012-09-13
    since last week 只是一个时间状语，常驻与现在完成时连用，详细回答是
    I have had the bike since last week .
    第2个回答  2012-09-13
    现在完成时的提问，问你拥有这个自行车多长时间了。回答是表示时间的，意思是自上周。是表时间的短语
    第3个回答  2012-09-13
    现在完成时
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