the girl was able to explain what had happened.不是被动语态为什么用was?

the girl was able to explain what had happened.不是被动语态为什么用was?
the girl was able to explain what had happened.不是被动语态为什么用was?

the girl was able to explain what had happened.不是被动语态为什么用was?
able 这里是形容词 能够...的 、
组成句子时 形容词前要加be动词 （was过去时）
be able to 是动词组

因为是过去式啊

be able to的过去式 WAS ABLE TO意思是能够

be able to 表示能力 可以做某事
望采纳~

过去时