i went to china过去去过
i have been in china for one year呆了一年
i have been to china for one year一年还没到
i have been to china去过中国,现在不在
i have gone to china去中国,途中还没回来,强调过程
i have gone to china for one year这个是什么意思?这些句子对吗?
这个I have been in Beijing for two years是两年前去过,还是呆了两年?