Its important to sb请问to sb在句子里面作什么

be important to sb还是for sb tell sth to sb ,其中to sb 在句子中做什么成分? tell sth to sb ,其中的to sb 在句子中做什么成分? be important to sb.还是be important for sb. be important to sb 与 be important for sb 有什么区别? 两个句型‘～1.be important to sb./sth.2.build sb./sth.up请问, 请问什么叫做go up to sb.? introduce sb to sb 句子十个 be important to sb的意思 remember sb.to sb. 请问：see sb off ,take sb off ,send sb off,take sb to.这些有什么区别? ask sb to do,make sb do,let sb do在用法上有什么区别