They have never been held before in this country.这句话里能不能把before放在They前面为什么?

They have never been opened.为什么不可以是They never have been opened. They have never been to hong kong改为肯定句 They have never been to Bei Jing 怎么改反意疑问句? They have never been to New York,_____? the children say that they have never been to london.对（that they have never been to london)提问 They have never been there __.A .and never will B.and never will goC.and will never have been D.and will never go there they have never been to the great wall对never提问 ______ ________ _________have they ever been tothe great wall? they have never been to the great wall对never提问 ______ ________ _________have they ever been tothe great wall? have never been是什么意思 They have never been to Australia before.对方说 So have we 还是Neither have we have never been to the great wall对never提问 ______ ________ _________have they ev they shoud never do what they have been doing for many have never been to the great wall对never提问 ______ ________ _________have they ever been to the children says that they have never been to new york( 对划线部分提问)划线部分that they have never been to new york I HAVE NEVER BEEN,能否说I never have been have never been与never have been的区别 Where have they been? I have never been away!