They had got everything ready before i arrived. After he had worked in the factiry for ten years , he went abroad. 我想问一下 不说有个语法说有after或before这类明显表示时间的词不用完成时表示两个动作的前后吗?
问题描述：
They had got everything ready before i arrived. After he had worked in the factiry for ten years , he went abroad. 我想问一下 不说有个语法说有after或before这类明显表示时间的词不用完成时表示两个动作的前后吗?
答