You have been here,的have

You have been here,的have how many have you been here how long have you been here 和 how long have you stayed here 的区别请问英语高手们,how long have you been here 和 how long have you stayed here 有什么区别? 这个句子有语病吗.You have never been here but you .You have never been here but you have never been away my heart.你从未来过这里但你也从未走出我的心. How long have you been here?为什么是How long have you been here,不是How long have you been standing here? I have been here to meet you again have you been to here?这句子要有to么. Do not be afraid,we have been here accompany you! I have been to you here这句话是什么意思 Have you been working here long?long是什么词性. Here is the medicine you have been waiting for why have you been here?why have you been sent here?的中文是什么?为什么sent的前面会有been?这句子有什么地方值得注意的吗?为什么? How long have you been in hongkong?l have been here for a week.have you visited Disneyland? I remained at you,yet you have forgotten that have been here before. 改错:Someone have been here where have you been里的have been怎么解释 here is the man （） you have been looking here is the man （） you have been looking for答案给的是who that我想问问whom可不可以? have been here 是被动语态吗有have been 这个不是被动的意思吗