I have had this bike for 3 years
He has been to Shanghai on a business trip.
She has been in Beijing on a business trip for 5 days.
His grandma died in 2003
Her grandma has been dead for 3 years.
My mum reached America in 2004.
He has been in America since 2004.
廢話兩句
這壹系列翻譯都是考的持續性動詞和非持續性動詞
比如buy是壹個瞬間動詞，壹瞬間就能完成
所以不能用has bought the bike，而只能用has had the bike
以此類推