have gone to意为“到某地去”,说话时该人不在现场,一般不用第一人称、第二人称代词作句子的主语.
如：—Where is Jim?———吉姆在哪里?
—He has gone to England．———他去英国了.（尚未回来）
Mr Wang isn't here．He has gone to Qingdao．王先生不在这里.他去青岛了.
have been to意为“曾经去过某地”,现在已不在那里了,后可接次数,如once,twice,three times等,表示“去过某地几次”,也可和 just,never,ever等连用.如：
My father has been to Beijing twice．我父亲去过北京两次.
I have never been to the GREat Wall．我从未去过长城.
have been in表示“在某地呆了多少时间”,常与时间段状语连用.如：
I have been in Shanghai for three years．我到上海已有三年了.
He has been in London for half a month．他来伦敦已有半个月了.
have gone in 是已经去了 in表示在某个地方