It is sb.和is that sb?

"It is+adj.+to+sb.+to do sth." 和 “It is + adj.+for +sb.+to d it is...for sb.to do...和it is...of sb.to do...的用法 So it is with sb.和It is the same with sb.的区别 It is the first time that sb do sth. It is first time that sb.have done sth. It is high time that sb.should do “it is obovious(to sb)that”中文是什么意思 It is +形容词+for sb it is +adj+for sb. so it is the same with sb,和so it is with sb和 it is the same That sb.is my love is true. 有没有 it is likely （FOR SB) to do 我知道到有 It is likely that / SB