have+do,have+doing,have+done.这3者有什么区别呀,我总是分不清楚,

Question

have+do,have+doing,have+done.
这3者有什么区别呀,我总是分不清楚,

Answer 1

have sb do sth 是使某人做某事
have sb doing sth 是使某人长时间做某事
例：My mother had me doing homework all day yesterday.我妈昨天一整天都让我做作业
have done sth是完成时态 即做完某事
have sth done 是使某事被做
例：You must have the homework done 你必须把作业做完