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过去完成时 collapse




翻译: 倒, 倒塌, 垮台, 失败, 崩溃, 瓦解, 病倒, 衰败, 倒坍, 坍塌, 溃, 溃陷

过去完成时




过去完成时 (Past perfect)

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


不定式

collapse









规则动词 & 不规则动词