请问：It is important for you to study 或 It is important of you to study 那种对?句型好像是It is adj.of/for sb.to do.以后怎么分辨用of还是for?还是都对?

That watch is important for me.l must f-----it it is very important how important it is 还是how important is it It is an important f() in America .It comes in a().首字母提示填空） It is a important problem Your f -----is very important to me.I don’want to lose it. Nothing it is Nothing it is important是什么意思 Nothing it is important是什么意思 Nothing it is important是什么意思 It is important to learn these table --------[manner] 请问该填什么 You should go there,it is important for you请问这句话有错误吗? It is not who rules us that is important请问这句怎么区分成分啊?that指代谁啊?能换成这样吗?it is not important that who rules usit is not important for who rules us 请问It is of vital importance...这里为什么会有of?一般感觉不是应该是It is vital important...或者It is a vital importance... it is important to it is important for it is important of 这三个结构都有吗 都怎么用 it is very important to people How important it is _____ (save) water! why is it important to speak English? it is important 最高级形式是什么 It is important to be careful with is it important to look good?why?