have/has/had加been是什么时态
问题描述:
have/has/had加been是什么时态
答
完成被动态
答
have/has been +名词,现在完成时态的主动语态
have/has been +动词的过去分词(done),现在完成时态的被动语态
have/has been +动词的现在分词(doing),现在完成进行时态的主动语态
had been +名词,过去完成时态的主动语态
had been +动词的过去分词(done),过去完成时态的被动语态
had been +动词的现在分词(doing),过去完成进行时态的主动语态
答
【had done是过去完成时,表示在过去这个时间点以前什么事情已经完成了,例如现在完成时:have/has been 过去完成时:had been (过去完成时一定要是过去
答
S + have/ has been (done): 现在完成时态 (被动语态)
S+ had been (done)... 过去完成时态 (被动语态)
答
现在/过去完成时