have been可以后接过去式吗?

have been可以后接过去式吗? Thank you for后可接过去式吗 let后可接过去分词宾补吗? to后面能接过去式吗 have been in可代替哪个非延续性动词 have been have been have been have been This is first time I have been a babysitter.中的have可去掉吗? 关于“have been”用法的提问本人是一个英语菜鸟.请大虾们帮帮忙.我们都知道have been可以接过去分词表示现在完成时表被动,还可以接现在分词表示现在完成进行时.但我在书上看见了一个句子 how long have they been dating和how long have they dated?区别?how long have they dated?也不一定以后他们就不date了啊? have been还是have been being? have since been 和 have been since have been 和have ever been区别! 英语翻译可老师说是have been died 我觉得好怪 have作“有”解时（不是使役动词）,后面能接过去分词做宾补吗? 完成时后面是接什么时态啊现在完成时后面是接过去式还是过去分词啊.比如：as you have already seen in the section A,I have a good academic record.中这句话have already 后面是跟的seen,也就是过去分词,可为