短語(yǔ)詞組短語(yǔ)have not been to 不曾到過(guò)have never been to 從沒(méi)去過(guò)Have been attended to 已受到照料have been started to implement 已開始實(shí)施have been to a place 去過(guò)某地ought to have been aware 理應(yīng)知道 返回 have been to