it's high time 句型中,从句中的谓语动词用过去式或should+动词原形 ,should不能省,should为什么不能省谁能给我一个比较合理的创意解释,说是语法规则记住就可以了那就不劳烦了.

It's high time...的用法 it's high time的用法? It’s (about/high)time+that: 请问it's high time 的用法 it's high time that怎么翻译 英语：it's high time是什么意思?详细! it's high time that the fighting It's high time…这种句型后面的从句用什么时态?类似的还有哪些? It is high time It is high time it's high time that sb were还是was It's high time that he stopped smoking?翻译 It's high time for sb.to do sth. Dear,it's high time thati forget you it's high time you__(give)up smoking. It is high time that they started out.他们该动身了.It is high time中high是何意?It is high time如何翻译 虚拟语气句型“it was (high)time that”请问,虚拟语气的句型“it was (high)time that”和“it is (high)time that”在句子表达的意思上有什么区别?请分别举例句说明,谢谢. It' s time that和 It‘s high time that 区别?