Had known it earlier,I would not have gone back!
问题描述:
Had known it earlier,I would not have gone back!
在过去之前知道得早点 应该是过去完成时阿!
答
原句是If I had known it earlier,I would not have gone back!(与过去事实相反,虚拟语气)这里从句与主句主语一致,省略了I和if,是正确的句式.