Skrócone formy przeczące w czasie Present Perfect Continuous

0 7 词汇卡 Kub

问题		答案
I 开始学习		haven't been (doing)
you 开始学习		haven't been (doing)
he/she/it 开始学习		hasn't been (doing)
we 开始学习		haven't been (doing)
you 开始学习		haven't been (doing)
they 开始学习		haven't been (doing)
Pytania z operatorem 'have' 开始学习		tworzymy przez inwersję.