be adj of/for sb ,几时加OF /FOR?

be adj of/for sb ,几时加OF /FOR? 有be adj for/of sb to do sth 这个词组吗? it is + adj.+of/for sb.+to +doing?to是介词吗?介词后加doing? be adj to sb 与be adj for sb 区别 it`s +adj.for/ to /of sb.怎样区分? it is adj of sb to do与it is adj for sb to do区别 It's+adj.+for sb.和It's+adj.+of sb.有什么区别? it's+adj.+of +sb.it's +adj.+for sb.这两句的用法 It's + adj.+ for sb.+ to do( sth.) 与 It's + adj.+ of sb.+ to it is+adj+for sb和it is+adj+of 有什么区别 It's+adj+of/for/to+...就是加形容词什么时候加of或for或to? 英语造句It is + adj for sb.to do sth.for sb.of sb.It's no use/go