-Ifeltitverydifficulttocarryontheworkallbymyself.-Icouldhavehelpedyou,butyoumeto.A.hadn'taskedB.didn'task为什么不能用过去完成时呐?

Question

-I felt it very difficult to carry on the work all by myself.
-Icould have helped you,but you ________me to.
A.hadn't asked B.didn't ask
为什么不能用过去完成时呐?

Answer 1

首先明确一个概念,那就是过去完成时必须用在过去的过去的动作上.而就此题而言,先翻译过来,就是---我觉得完全靠我自己来进行这个工作是很困难的.---我本可以帮你的,但你没向我提要求.答语中前半句could have done是一...