It's been +一段时间 + since +一般过去式

It's been +一段时间 + since +一般过去式 It is\has been+时间段+since+一般过去式=时间段+（）+since+一般过去式 关于完成式和过去式It's been a long time since I've seen it.It's been it's +一段时间+since 是什么时态 一个英语问题句型“It’s / It has been + 一段时间 + since + 时间状语从句”中什么时候用is 用 “It has been +一段时间+since”造句两个 如何将It's been ten years since they married变一般疑问句 It is +一段时间+ since 英语翻译Girl,It's been awhile since been awhile since I've seen 把 It has been raining these days.改成一般过去式 it's really been a longtime since i went home. It's been a while since I left here