请问have sb.do sth.与have to ...请问这两个词组怎么区分呢?比如They are going to have the serviceman to be installed an electric fan in the office tomorrow.中间的错误怎么看出来呢,是因为句意不通顺吗

have sth done与have sb do sth与 have sb doing sth区别 have sb to do与 have sth to do 用法 have sb do sth 与have sb to do sth 的区别 have sb do sth 还是have sb to do sth have sb to do sth还是have sb do sth? have sb do sth 还是 have sb to do sth? have sth to do with sb/sth 请问have sb.do sth.和have sth.done分别是什么意思呢?最好有例句! have sb.do sth make sb do sth let sb do sth的区别 have sth to do sth 什么意思 ? have sb do sth =get sb doing sth? have sb do 与 make sb do sth的用法区别 have sb do sth 与have sth done 的区别在哪里? make sb do sth let sb do sth have sb do sth hlep sb do sth造句 may sb do 与 wish sb sth 造句：feel sb do sth .let sb do sth .have sb do sth .listen to sb do sth .listen to sb do sth. Sb have to do sth造句 have sb to do sth例句 请问英语中的have sb do与let sb do,make sb do,ask (invite)sb do 有什么区别?