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现在完成进行时 upgrow






现在完成进行时

I have been upgrowing



现在完成进行时 (Present perfect continuous)

I
have been upgrowing 
you
have been upgrowing 
he/she/it
has been upgrowing 
we
have been upgrowing 
you
have been upgrowing 
they
has been upgrowing 


不定式

upgrow









不规则动词