have been to do什么意思?他和have been doing,have been done,have done有什么区别?例句：Chinese authorities say Russian experts have been on hand to support the entire mission.

How many people do you have to have been with not to remember any of this? have to have been with 语序对吗?什么意思?结构不明白 have been to do什么意思?他和have been doing,have been done,have done有什么区别?例句：Chinese authorities say Russian experts have been on hand to support the entire mission. have been needing to do Have been 什么意思? what else do you have to do什么意思 have been to和have been in和have been on的辨析have been to和have been in和have been on各自的中文意思是什么?有什么区别,最好将点语法,带上例句 have been meaning to do STH． have been long 什么意思 do let tell your mother know all the truth.she appears (to have been told)everything什么意思?为sha为啥不是to be told she continues to have been driving,和continu to do sth 有什么区别 I do not want to do I have to do the Queen of civilians什么意思? Have you ever been to Singapore?意思 I have been just your side you do not know 什么意思中文、谢谢 快点 i have to do some thing?中文什么意思 You do not have to compete什么意思 Every day I have to do what I 什么意思 have sth to do sth 什么意思 ? have sb do sth =get sb doing sth? have been to 与have been 有什么不同 是否have been to 加名词 have been 加副词?