(过去）没做
（过去某段时间）没正在做
（过去到现在）没一直做
（过去到现在）没做过
did not \ was not doing \ have not been doing \ have not don
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相关问题
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have not,can not,do not,will
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not have与do not have的不同
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do not have和have not有什么区别啊
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must not have been;could not have
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may not have been...与 may have not been ...
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we do not have enough time do our work 中do not have enough t
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I do not have to go to school I will not have
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have 的用法have什么时候用do not have 什么时候用have not
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Do not be afraid,we have been here accompany you!