it＇s about time虚拟语气用法?

It's about time sb.+过去式这是虚拟语气的一种用法比如：It's about time I went home.我该回家了在It's (high/about) time 之后的定语从句中需用虚拟语气.谓语动词用过去式,例如It is high time that you went to ...

扩展阅读：its about time people ... additionally ... it's time that ... it's coming ... its time for bed ... consequently ... its out of the question ... put on your t-shirt ... time in oblivion ...