自已经的英文

He has been to Shanghai three times since 1997/the year 1997。He has gone to Shanghai and has not come back.前一个是说去过那儿了，现在不一定在那儿。后一个是说他去那儿了，现在就在那儿，这个表达中不能体现他去过几次，要表达去过几次只能用have been 。

Don't envy others, in fact has been very lucky 别羡慕别人，其实自已经很幸运False people on your side, no special care, let them continue to act 虚假的人在身边，不用特别去在意，就让他们继续演戏Busy, prove yourself energetic Serious life, enjoy the busy 忙碌，证明自己有活力。认真生活，享受忙碌Choosing a friend; Choice of the person you like, I think I'm good evil 选择朋友；选择喜欢的人；我觉得自己好邪恶Is learning to get along with yourself; Used to independence, like himself a person正在学习跟自己相处；习惯独立，喜欢自己一个人

He has gone to shanghai three times since 1997.

已经 already ; yet over and done with已经结束，已经过去over and done with已经过去，已经结束There has been many a peck of salt eaten since.年深日久, 已经好多年了be through with one's star已经不走红了，好运过去了one's day is gone黄金时代已经过去了，已非当年A lot of water has flown beneath the bridge since.自从那时起，已经过了许多时间他已经去了。 He has already gone天已经黑了。 It's already dark

Ask since...... How many years has it been since?重点词汇释义一下once; one time; in a short while; all at once自从since以来since已经already

根据时间状语从句中的since 判断翻译主句时应使用现在完成时，即：It has been three years． 在口语中可用It is three years，故答案为：It's been/（is） three years

I have been to SH three times since year of 1997