S+be+adj+to do sth S+be+adj+to have done各是什么用法

S+be+adj+to do sth S+be+adj+to have done各是什么用法 请问这两个英语句型有什么区别?1.It's+be+adj.+of sb.+to do sth.2.It's+be+adj.+for sb.+to do sth. 用“Its+adj+for sb to do sth”造句 It's adj .for sb.to do sth . It's+adj+for sb to do sth.表示? It's+adj+for sb+to do sth是什么意思? It's adj to do sth 例句例句,10句, 英语翻译使用It's adj for sb to do sth . 总结It's+adj.+for sb.to do sth.和It's+adj.+of sb.to do sth It's adj for sb to do sth和It's adj of sb to do sth有什麽区别? “It's + adj.+ to do 不定式”与“It's + adj.+ doing sth.”的区别 It's +adj of sb to do sth 和 It's for sb to do sth有什么区别?It's +adj of sb to do sth 和 It's + adj for sb to do sth有什么区别？ It's+adj.to do sth.和 It's+adj.doing sth.有什么区别 be adj enough to do sth造句 sth+be+adj+to+do造句 be+adj+to do sth 造句 主语+be+adj+to do sth 例句 It' fun to do sth 这句有没语法错误,It's+ adj 后面什么时候加to do sth 什么时候doing sth