已经的英文否定

already yet 是已经的意思already 一般用于肯定句，位于句中或句末yet 一般用于否定句或疑问句，位于句末ever 是曾经的意思一般用于疑问句，如have you ever...?

already(用语过去时、现在完成时)

楼主请据两个列子，因为没看明白，完成时当然表示 已经 ，要表示曾经用过去式不就可以了

have't been to

haven't been to

already:已,已经;早已:业经

已经 [yǐ jīng]alreadyRelative explainations:have (got), had been, has been, yetExamples:我已经足够大了，有权去做我喜欢做的事。I'm old enough to have the freedom to do as I like.我已经在这个旅馆里预订了一个房间。I have engaged a room at this hotel.本世纪我们已经经历了两次世界大战。We have had two world wars in this century