书上说have been to与副词连用时to要省略,那She's just been to a party.这句话里面怎么有to?

书上说have been to与副词连用时to要省略,那She's just been to a party.这句话里面怎么有to? have been to 与have been 有什么不同 是否have been to 加名词 have been 加副词? have gone to/have been to和have been in能不能与for.since连用 可以用于现在完成时吗 up to now只能与现在完成时连用吗?Up to now I have been reading this book.这个句子对么? to oneself与have,get,keep 连用的含义RT书上说to oneself 表示单独所有;暗自地;私下地解释不太清楚最好有例句另外to oneself还可以跟什么词语连用,的确是有的，是高考语法实践指南里的 have been to与have been in说用法和区别 he is sitting close to me,what have u been doing latelyyou can eat free in my restauarant whenever you like其中副词：CLOSE,LATELY,FREE它们所修饰动词SIT,DO,EAT,为什么是放在它们的后面,书上不是说副词用来修饰动词是要 哪些副词经常与现在完成时,过去完成时连用? 形容词可以与副词连用吗 与一般现在时连用的频率副词 used to do 可以与频度副词和表具体的过去时间连用吗 英语 现在完成时 How long has your brother gone there?对不英语 现在完成时 How long has your brother gone there?选择用have gone to .have been to.have been in 不是说there不加副词吗? have gone to 与 have been to ,have gone ,have been的区别是什么 现在完成时一般不与准确时间连用,为什么must have done 可以和过去时间连用?He must have gone to the cinema last night.语法书里说现在完成时不和精确时间连用，为什么现在完成时和情态动词连用就可 have been to与have gone to的区别 have been to,has been to ,have been in ,与have gone to,has gone to 的区别和用法. 哪些词与to连用；哪些词与for连用 walk可以与哪些介词和副词连用