Formy przeczące w czasie Present Perfect Continuous

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问题 English 答案 English
I
开始学习
have not been (doing)
you
开始学习
have not been (doing)
he/she/it
开始学习
has not been (doing)
we
开始学习
have not been (doing)
you
开始学习
have not been (doing)
they
开始学习
have not been (doing)

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