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现在完成 speed




翻译: 促进, 前进, 加速, 迅速, 使加速, 催, 急行, 疾驶

现在完成

I have sped; speeded



现在完成 (Present perfect)

I
have sped; speeded 
you
have sped; speeded 
he/she/it
has sped; speeded 
we
have sped; speeded 
you
have sped; speeded 
they
have sped; speeded 


不定式

speed









不规则动词