do you hear about 与have you heard abouta的区别.have any one of you hear about sth中have的词性是?

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do you hear about 与have you heard abouta的区别.have any one of you hear about sth中have的词性是?
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do you hear about 与have you heard abouta的区别.have any one of you hear about sth中have的词性是?
do you hear about 与have you heard abouta的区别.have any one of you hear about sth中have的词性是?

do you hear about 与have you heard abouta的区别.have any one of you hear about sth中have的词性是?
do you hear about 你听说了吗 指的现在这个状态
have you heard about 你听说过吗 表示问到现在为止听说过没有,这是现在完成时态,表示截至目前已经完成的动作,并强调对现在造成的影响————完成时定义
由此可见,不仅时态上有区别,翻译时意义也不同.
主语+have|has+动词的过去分词+宾语 构成现在完成时态的句子,因此have为助动词,和过去分词共同构成谓语.
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