关于It is +adj+to do sth的问题

it is+adj+to do sth.意思 It is +not+adj+to do sth.的用法 it is + adj.的比较级+to do sth. 关于不定式做主语的、.、.、.,It is+adj.+for/of+sb+to do sth it is adj.of sb.to do sth.it is adj.from sb.to do sth. adj to do sth是什么结构 注意啊不是it is adj to do sth! it is adj.to do sth.it is adj.doing sth.有什么区别 It is adj to do sth/It is adj doing sth两个语法句式都对吗? it adj to do sth 和it's adj to do sth的区别 "It is+adj.+to+sb.+to do sth." 和 “It is + adj.+for +sb.+to d it is too +adj to do sth 还是it is too +adv to do sth it is adj.for sb to do 与sb.be adj.to do sth的区别是什么?