it is ……(sb、sth)that…句型怎么用?that能用who,which,when三者或其中之一替换么?

It is the first time that sb do sth. it is ……(sb、sth)that…句型怎么用?that能用who,which,when三者或其中之一替换么? it seems that sb did sth=? It(This) is/was the first(second,third……) time that sb.have/had done sth.从句中的时态为什么必须用完成时? It is high time that sb.should do sth.中的should可省略吗 It is /was for the first /second ...time that sb.do /did sth.求多个例句 有Sb find it is adj to do sth 的句型么把it is adj to do sth 看作find 引导的宾语从句 如 Sb find ＜that＞it is adj to do sth在这个句型中that 后面作宾语 that省略可以么?Sb find ＜that＞it is adj to do sth 中的that到 It is possible for sb(sth) to do sth it is adj.of sb.to do sth.it is adj.from sb.to do sth. It is bad for sb to do sth.It is bad for sb to do sth. award sth.to sb.award sb.sth.admire sb.for sth.It be obvious that-clause怎么造句 【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 sth.cost sb.money,not……at all,fall asleep,It is important to do sth,different kinds of,pay for,help sb.(to)do sth,study hard,make sb.interested in,make progress,by doing sth,hear of,find out,how about doing sth?,make friends with sb,准确 是sth is important to sb还是 it is important for sb to do sth? It‘s （high）time （that）sb did sth/sb should do sth什么意思 It is one's turn to do sth造2个句子 it is time to do sth也造俩个句子 老师it is said that造俩个句子 it takes sb some time to do sth造俩个句子 It is for sb to do sth 与It is doing sth的区别 英语翻译1.prove sb./sth.2.prove sth.to sb.3.prove that…4.agree with+ sb./one's idear/what sb.said5.agree to do sth.6.report sth.7.a report fo rsth.8.the result…