for +时间段 at+时间点 have been to plan to do sth stay with sb com

for +时间段 at+时间点 have been to plan to do sth stay with sb com have sth to do with sb/sth what have sb to do with sth have sb to do sth have sb do sth 还是 have sb to do sth? have sb do sth 还是have sb to do sth get sb to do sth.send sb sth .have a problem doing.shout at do sth to sb,do sth for sb的区别 plan to do sth have sth.to do with help sb.to do sth和help sb.with sth. plan for sth和plan to do的区别