write sb about sth这个‘sb’应是什么词性

write sb about sth这个‘sb’应是什么词性 write sth ____(to,for,with,about) sb write sth.to sb.有这个句型么, ask sb.about sth. ask sb.about sth. 有 talk sb about sth 这个短语吗? 有没有这个短语?talk about sth to sb know sth about sb有没有这个固定搭配? write sth.to sb.是不是等于 adress sth.to sb. what/how about sth/sb talk to sb about sth. tell sb about sth 意思 inform sb about sth对吗 talk to sb.about sth. ask sb.about sth.句子成分 What about sb/sth doing sth? ask sb (about) sth about 是不是 可有可无? sb.be worry about sb./sth.和 sb.be sth.worry.sb/sth请造句子,