as of... 作时间状语时，可根据语义用一般时、将来时或过去时。例如：

The regulations come into force as of today. 本条例自即日起施行。《现代汉英综合大词典》

The border, effectively closed since 1981, will be opened as of January the 1st. 实质上从1981年就已关闭的边境将于1月1日开放。《柯林斯高阶英汉双解词典》

The project was terminated as of January 1. 该项目于一月一日竣工。《美国传统词典》

I know that as of last week he was still unmarried. 我知道到上星期为止他还没有结婚。《英语惯用短语词典》