sth to sb 还是 sth for sb

sth to sb 还是 sth for sb get sth for sb还是to sb? express sth for sb 还是to sb 是make sth to sb还是make sth for sb? 是send sth to sb 还是send sth for sb buy sth for sb 还是 buy sth to sb bring sth to sb还是bring sth for sb 请问：bring sth.to sb.还是bring sth.for sb. by sth.to sb.还是by sth.for sb. 是leave sth.to sb.还是leave sth.for sb. 是feed sth to sb还是feed sth for sb? 是sing sth.to sb.还是sing sth.for sb. donate sth for sb还是donate sth to sb provide sth for sb 还是 provide sth to sb ? collect sth.to sb还是 collect sth.for sb. 是offered sth.to sb.还是offered sth.for sb. teach sth for sb 还是teach sb to sb更正！【teach sth for sb 还是teach sth to sb】？ bring sth.sb.=什么?是等于bring sth.for sb.还是bring sth.to sb.