完成时要用延续性动词,那么如何把瞬间动词改成延续动词

问题描述:

完成时要用延续性动词,那么如何把瞬间动词改成延续动词

用表状态的 系表结构(be + ) 代替 瞬间动词
die -- be dead
He has gone to Beijing 3 days before.(瞬间性动词)
He has been in Beijing for 3 days.(延续性动词)
望采纳!