1.have been to,表示“曾經(jīng)去過某地（已回來）”
我舉個(gè)例子吧,I have been to England.我曾經(jīng)去過英格蘭（已經(jīng)回來了）
2.have been in,表示“已經(jīng)……（持續(xù)的）”
再舉個(gè)例子,Lately i have been in need of money.我最近缺錢用.
3.have gone to,表示“已經(jīng)去某地（還未回來）”
例子,They have gone to Beijing.他們已經(jīng)去北京了.（還未回來）