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过去完成时 exercise




翻译: 操, 行使, 训练, 锻炼

过去完成时




过去完成时 (Past perfect)

I
had exercised 
you
had exercised 
he/she/it
had exercised 
we
had exercised 
you
had exercised 
they
had exercised 


不定式

exercise









规则动词 & 不规则动词