They have lived in Beijing since 1995. I have learned English for ten years.
考点二：常见的不确定的时间状语：lately, recently, just, already, yet, up to now; till now; so far, these days
Has it stopped raining yet?
考点三：在表示“最近几世纪/年/月以来……”时间状语中，谓语动词用现在完成时。
in the past few years/months/weeks/days, over the past few years, during the last three months, for the last few centuries, through centuries, throughout history 等
In the past 30 years China has made great advances in socialist construction.
考点四：表示“第几次做某事，”或在 “It is the best (worst, most interesting ) +名词+that” 后面用现在完成时。
This is my first time that I have visited China. That is the only book that he has written.
This is the most interesting film I have ever seen.
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