1 I have 【entered 改成 been in】 the university for two years.
2.he has 【come 改成 been】 here for three hours.
3.the old lady has 【died 改成 been dead】for ten years.
4.he has 【left 改成 been away from】his native place for three years.
5.I have【 married 改成 been married】for one year.