英语语法.例：have to do sth

英语语法.例：have to do sth 英语语法：choose to do sth? have sth to do have to do sth 2个英语语法造句,have fun doing sth和take care not to do sth, 英语语法：it take sb. sometime (to do sth.?/do sth?) have sth to do with sb/sth have sth to do 例句 have sth.to do with have sb to do sth have sth doing / have sth to do/ have sth do/ have sth done 英语语法问题一直没有搞懂have sb 后面接do sth 还是to do sth /doing sth有什么区别还有就