初三语法---现在完成时 buy的延续性动词become --( ) arrive at\gei to \ reach come to--( ) 现在完成时的被动结构---干某事用了多长时间--There be 结构的完成时 急需!

Question

初三语法---现在完成时 buy的延续性动词
become --( ) arrive at\gei to \ reach come to--( )
现在完成时的被动结构---
干某事用了多长时间--
There be 结构的完成时
急需!

Answer 1

1.现在完成时 buy的延续性动词 ---have 例如：这本书我买了三个月.I have had the book for three months.
2.become 的延续性动词是be.例如：我成为团员六个月了.I have been a League member for six months.
3.arrive at (get to \ reach ) the village 到达小地方
arrive in (get to \ reach ) Beijing 到达大地方
4.come to 的延续性动词是be
5.现在完成时的被动结构:have / has been done
6.干某事用了多长时间-- It takes sb some time to do sth.
7.There be 结构的完成时
There have / has been .