为什么是has not been decided

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为什么是hasnotbeendecided为什么是hasnotbeendecided为什么是hasnotbeendecided这里使用的现在完成时这句话的意思是“到目前为止还没有决定”现在完成时定义:

为什么是has not been decided
为什么是has not been decided

为什么是has not been decided
这里使用的现在完成时
这句话的意思是“到目前为止还没有决定”
现在完成时定义:
过去发生并且已经完成的动作对现在造成影响或后果,过去某一时间开始并一直持续到现在并且有可能还会持续的动作或状态.
回答这句话的人的意思是对于这件事情(或其他)目前还没有决定
如果使用一般过去时(一般过去时表示过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为;过去主语所具备的能力和性格.) 并不符合它的定义
现在完成时的结构是主语+have(not)/has(not)|+动词的过去分词
又因为决定的人决定 是被动的 所以decide会变过去式且前面有be动词构成被动语态
这里的been是be的过去分词

对已经完成的事情就用完成时态,否定就在has后加not

been。。。因为是过去完成时
decided。。。因为是被决定
希望对你有帮助

have /has+not +been +done(动词过去完成时)表示截止目前,没有做的事

为什么?请分析并翻译整句 他们还没有决定何时出发去纽约 a ab.为什么 c.那么 d.什么根据意思选 It has not been decided ___

这个要结合整句的语境来看的。

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