I had been sitting的意思.,时态,相关句子-举例

问题描述:

I had been sitting的意思.,时态,相关句子-举例

"我已一直坐着"
这是过去完成进行时,
过去完成进行时表示过去某一时刻之前开始的动作或状态一直延续到过去某一时刻。例如:
It had been raining cats and dogs for over a week and the downpour had caused landslides in many places.

过去完成进行时
表示过去动作持续到现在.并且会继续进行
我从过去一直坐到现在
I HAD BEEN PAINTING THE WALL
我一直在刷墙