求It is (high) time 的用法~我知道It is (high) time that后面的从句谓语动词要用过去式或用should加动词原形,should不能省略.所以我想知道,that后面的从句谓语动词用过去式和用should+动词原形有什么区

it is high time的high是什么意思 It is high time It is high time it is high time that的用法 it is high time that . It is high time that的具体用法? it is high time后面加什么形式的动词 It is high time that +从句,前面的如何翻译? It is time(high time)that .It is time( high time)that It is high time that 是不是It is time 的变形? It is high time that sb.should do 其中 high It is high time that something were done upon it.求此句翻译 it is high time to 例句：It is high time to protect the animal 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 【English语法】It is high time ...的多种用法?弄不懂,越来月糊涂.是不是有这么几种：①It is high time to do sth.=It is time to do sth.②It is high time (that) sb.did sth.③It is high time (that) sb.should do sth.④It is hig It is time that 和it is high time that怎么用什么区别后面加的时态 it is about time 用法it is about/high time 后面用动词的什么什么时态 求翻译.it is high time that such a practise were put an end to.